[{"id": "ap-1000", "words": "3195", "extension": ".pdf", "flesch": "65", "author": "Ficker, T.", "title": "Statistics of Electron Avalanches and Streamers", "date": "2007", "keywords": "avalanches; fractal; vol; \ufffd \ufffd", "summary": "After passing a certain initial distance \ufffd \ufffd 0 and gathering a certain number of ener- getic electrons N d\ufffd \ufffde\ufffd 1, which are capable of creating a group of UV photons, a photoionisation process starts and a swarm of K \ufffd1smaller avalanches with mean pop- ulations nd d , ( ) 1 \ufffd \ufffde\ufffd \ufffd appear along the parent ava- lanche. (3) In this way the number of less populated avalanches in- creases and, as a consequence, deviations from the Furry distribution may occur. (ii) Multiplication of highly populated avalanches with mean populations \ufffd \ufffdnd j J \ufffd0 must be generated accord- ing to a fractal scenario of branching or partitioning like most fractals when going to smaller scales.", "mime": "application/pdf"}, {"id": "ap-10001", "words": "6878", "extension": ".pdf", "flesch": "60", "author": "J. Mahmoud, Muaath; G. Rasheed, Bassam; M. Hanon, Muammel", "title": "Improving the production process of silicon nanoparticle and quartz microlens", "date": "2025", "keywords": "energy; figure; laser; nanoparticles; output; parameters; power; process; processes; quartz; silicon; software; surface", "summary": "The input parameters were laser power, laser speed, and the number of repeated processes. Effects of laser power, laser speed, and No. of repeated processes on the lens diameter, lens depth, focal point, F #, and NA as determined by the DOE software.", "mime": "application/pdf"}, {"id": "ap-1002", "words": "4919", "extension": ".pdf", "flesch": "62", "author": "Frank, H.", "title": "Influence of Oxidation Media on the Transport Properties of Thin Oxide Layers of Zirconium Alloys", "date": "2007", "keywords": "air; current; voltage; zr1nb", "summary": "If the voltage is switched off, and the sample is short-circuited, there flows an adequate extraction current I Iex in\ufffd \ufffd of opposite polarity [13] of the form I B t n ex \ufffd \ufffd \ufffd . The mea- suring points could still be fitted to the second order polynomial I aU bU c\ufffd \ufffd \ufffd2 , but with negative coeffi- cient a.", "mime": "application/pdf"}, {"id": "ap-10035", "words": "2355", "extension": ".pdf", "flesch": "61", "author": "Runczikov\u00e1, Daniela; Z\u00e1lesk\u00fd, Jan; Z\u00e1lesk\u00fd, Marek; Koller, Jakub; \u0160a\u0161ek, Ladislav", "title": "Anchor test and long-term monitoring of grouted anchors instrumented with Fiber Bragg Grating sensing technology", "date": "2025", "keywords": "anchor; deformation; fiber; figure; monitoring; root; sensors", "summary": "A FBGs sensors distance was approximately 1 metre, the posi- tions of the sensors on the anchors (centre of anchor and surface of anchor root) installed in the boreholes and a simple geological description of the subsoil are shown in Figure 1. This article deals with anchor tests instrumented with FBG deformation gauges of the root and the tendon of the pre-stressed strand anchor in a test field in the Central Bohemian Region.", "mime": "application/pdf"}, {"id": "ap-10038", "words": "3483", "extension": ".pdf", "flesch": "46", "author": "Cavalcante de Farias, Estela Cristina; Kropf Santos Fermam, Ricardo; de Mendon\u00e7a, Amsterdam de J. Souza Marques", "title": "Comparison between the Wilhelmy surface tension measurement method and the pendant drop shape analysis method", "date": "2025", "keywords": "analysis; drop; liquid; measurement; method; shape; surface tension; temperature; wilhelmy", "summary": "This comparison involved surface tension measurements of these liquids: bidistilled water, n-dodecane, and per- fluorocarbon (FC-40), these liquids were chosen to cover a wide range of surface tension with stability Surface tension measurement by the pendant drop shape analysis method The calibration data include the regression for obtain- ing the surface tension in mN m\u22121 in the temperature range from 18 \u00b0C to 30 \u00b0C and the surface tension mea- surement range was from 16 mN m\u22121 to 73 mN m\u22121 with an expanded uncertainty of 0.28 mN m\u22121 and a coverage factor k = 2.00, according to: \u03b3c = C0 + C1 \u00b7 TL + C2 \u00b7 \u03b3i, (3) where \u03b3c is the corrected surface tension, in mN m\u22121; \u03b3i is the indicated surface tension, in mN m\u22121; C0, C1 and C2 are the parameters of the regression equation, and TL is the measurement temperature, in \u00b0C.", "mime": "application/pdf"}, {"id": "ap-10039", "words": "5285", "extension": ".pdf", "flesch": "50", "author": "Dvo\u0159\u00e1k, Michael; Hrdli\u010dka, Jan; Pila\u0159, Luk\u00e1\u0161; Skopec, Pavel; Burda, Ji\u0159\u00ed", "title": "CO2 capture in pilot-scale unit using solid adsorbent in biomass fluidised bed boiler flue gas", "date": "2025", "keywords": "adsorption; capture; co2; experimental; figure; flue; gas; pressure; sorbent; temperature; unit; vpsa; zeolite", "summary": "Modification and functionalization of zeolites to improve the efficiency of CO2 adsorption: A review. Over the years, considerable efforts have been devoted to developing solid sorbents, but much less to the development of adsorption units, especially continu- 501 https://doi.org/10.14311/AP.2024.64.0501 https://creativecommons.org/licenses/by/4.0/ https://www.cvut.cz/en M. Dvo\u0159\u00e1k, J. Hrdli\u010dka, L. Pila\u0159 et al.", "mime": "application/pdf"}, {"id": "ap-1004", "words": "1802", "extension": ".pdf", "flesch": "51", "author": "Chmel\u00edk, T.; Z\u00e1myslick\u00fd, P.", "title": "EU Emissions Trading Scheme as Implemented in the Czech Republic", "date": "2007", "keywords": "allocation; allowances; czech; emissions; system", "summary": "The system is based on the following five pillars: \ufffd Allocation (a system of distribution of emission allowances to participants, based on harmonized criteria). 2.1 Sectoral coverage A simple comparison shows that some sectors, while hav- ing almost the same number of installations, have a much smaller share of total emissions.", "mime": "application/pdf"}, {"id": "ap-1005", "words": "1750", "extension": ".pdf", "flesch": "62", "author": "Okurka, T.", "title": "Wireless Telegraphy at the German Universal Exhibition in \u00dast\u00ed nad Labem in 1903 [1]", "date": "2008", "keywords": "exhibition; labem; nad; wireless", "summary": "40 \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ Acta Polytechnica Vol. 48 No. 3/2008 Wireless Telegraphy at the German Universal Exhibition in \u00dast\u00ed nad Labem in 1903 [1] T. Okurka This paper focuses on the transmission of wireless telegraphy between \u00dast\u00ed nad Labem and Teplice during the German Universal Exhibition in \u00dast\u00ed nad Labem in 1903. This oblivion can also be explained by the fact that wireless telegraphy was not widely used after the presentation in \u00dast\u00ed nad Labem.", "mime": "application/pdf"}, {"id": "ap-1006", "words": "4131", "extension": ".pdf", "flesch": "60", "author": "Kohout, K.; Nahodil, P.", "title": "Simulation Environment for Artificial Creatures", "date": "2007", "keywords": "agent; architecture; data; environment; layers; sensors; simulation", "summary": "This internal state covers the state of agent sensors and effectors (some of these may be damaged or partial by malfunctioning) and the Vege- tative System Block. It can be used to observe agent parameters at any time of simulation.", "mime": "application/pdf"}, {"id": "ap-10062", "words": "5761", "extension": ".pdf", "flesch": "53", "author": "Poornakantha, Tanuku; Prasanna, Mamidi Lakshmi; Gundagani, Murali", "title": "Mathematical modelling and analysis of three-dimensional Maxwell-Nanofluid flow over a bidirectional stretching surface in the presence of a magnetic field", "date": "2025", "keywords": "figure; flow; fluid; heat; nanofluid; number; parameter; temperature; transfer; values", "summary": "Introduction It is critical to include radiative heat flow while study- ing heat transfer processes, especially in regard to nanofluids. Zhang and Zheng published a novel theory for non-linear radiation heat transfer in nanofluids [18].", "mime": "application/pdf"}, {"id": "ap-1007", "words": "4024", "extension": ".pdf", "flesch": "51", "author": "Behrens, A.; Atorf, L.; Schwann, R.; Ball\u00e9, J.; Herold, T.; Telle, A.", "title": "First Steps into Practical Engineering for Freshman Students Using MATLAB and LEGO Mindstorms Robots", "date": "2008", "keywords": "engineering; fig; learning; lego; matlab; mindstorms; nxt; project; robot; students; toolbox", "summary": "Thus it is very impor- tant to motivate first semester students by confronting them with practical situations, in which they \u201cfeel like engineers\u201d right from the beginning of their studies [2]. 1. 44 \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ Acta Polytechnica Vol. 48 No. 3/2008 First Steps into Practical Engineering for Freshman Students Using MATLAB and LEGO Mindstorms Robots A. Behrens, L. Atorf, R. Schwann, J. Ball\u00e9, T. Herold, A. Telle Besides lectures on basic theoretical topics, contemporary teaching and learning concepts for first semester students give more and more consideration to practically motivated courses.", "mime": "application/pdf"}, {"id": "ap-10074", "words": "6623", "extension": ".pdf", "flesch": "52", "author": "Urtekin, Levent; Y\u0131lan, Faik; \u015eahin, \u0130brahim Baki; G\u00f6k, Kadir", "title": "Analysis of surface roughness and machining performance of AZ91 magnesium alloy cut by WEDM", "date": "2025", "keywords": "alloy; analysis; az91; machining; magnesium; materials; mrr; parameters; performance; process; roughness; surface; toff; ton; wedm; wire", "summary": "[31] investigated the influence of WEDM process parameters on material removal, surface characteristics, and corrosion rate of ZE41A Mg alloy. Surface topography maps of samples depending on WEDM process parameters. unable to produce the same level of surface rough- ness as short pulses combined with high peak values.", "mime": "application/pdf"}, {"id": "ap-10075", "words": "5287", "extension": ".pdf", "flesch": "59", "author": "Padovec, Zden\u011bk", "title": "Analytical and numerical analysis of filament-wound toroidal pressure vessel loaded by internal pressure and temperature field", "date": "2025", "keywords": "analysis; angle; figure; meridian; mpa; pressure; radius; stress; toroidal; winding", "summary": "Analysis and optimization of junction between cylindrical part and end dome of filament wound pressure vessels using data driven evolutionary algorithms. Keywords: Toroidal pressure vessel, filament winding, stress analysis, classic lamination theory, FEM.", "mime": "application/pdf"}, {"id": "ap-1008", "words": "3411", "extension": ".pdf", "flesch": "69", "author": "Holub, J.", "title": "Finite Automata Implementations Considering CPU Cache", "date": "2007", "keywords": "automata; automaton; dfa; finite; implementation; state; transition", "summary": "However, it may lead to an exponential increase of number of states (2Q NFA states, where QNFA is the number of states of the original NFA). 2 Nondeterministic finite automaton Nondeterministic finite automaton (NFA) is a quintuple (Q, \ufffd, \ufffd, q0, F), where Q is a finite set of states, \ufffd is a set of input sym- bols, \ufffd is a mapping \ufffd \ufffdQ Q\ufffd ( ) ( )\ufffd \ufffd \ufffd\ufffd \ufffd , q Q0 \ufffd is an initial state, and F Q\ufffd is a set of final states.", "mime": "application/pdf"}, {"id": "ap-10099", "words": "4489", "extension": ".pdf", "flesch": "54", "author": "Kotla, Rahul Wilson; Yarlagadda, Srinivasa Rao; Mannala, Kumudwathi; Sreek, Dharani; Sivarathri, Vijaya Madhavi", "title": "Enhanced electric vehicle charging topology with integrated fuzzy-based shunt converter", "date": "2025", "keywords": "battery; charging; control; converter; energy; figure; flc; power; shunt; system; voltage", "summary": "A review of battery energy storage systems and advanced battery management system for different applications: Challenges and recommendations. Advanced charging system for EV The diagram of an Enhanced Electric Vehicle Charg- ing System (EVCS) is shown in Figure 1.", "mime": "application/pdf"}, {"id": "ap-1010", "words": "4972", "extension": ".pdf", "flesch": "68", "author": "Teng, C. P.; Bai, S.; Angeles, J.", "title": "Shape Synthesis in Mechanical Design", "date": "2007", "keywords": "curve \ufffd; design; p \ufffd; q \ufffd; tan \ufffd; \ufffd b; \ufffd c; \ufffd k; \ufffd n; \ufffd pk; \ufffd \ufffd", "summary": "Specifically, these con- straints are, \ufffd \ufffd0( , , )\ufffd \ufffd \ufffd\ufffd \ufffd\ufffd \ufffd A , \ufffd \ufffdn B\ufffd \ufffd \ufffd\ufffd \ufffd1( , , )\ufffd \ufffd \ufffd , (18) where \ufffdA and \ufffdB are the curvature values of curve \ufffda at point A and of curve \ufffdb at point B, respectively, thereby formulating an equality constrained optimum-design problem. k\ufffd \ufffd( , )\ufffd \ufffd and \ufffd \ufffd \ufffd \ufffd \ufffdk", "mime": "application/pdf"}, {"id": "ap-10107", "words": "7806", "extension": ".pdf", "flesch": "53", "author": "Bo\u010dan, Petr; J\u00edra, Ale\u0161", "title": "Determination of mechanical properties of very thin 3D-printed specimens for numerical analysis of tensile strength and fracture toughness", "date": "2025", "keywords": "data; experiment; figure; fracture; material; model; modulus; numerical; properties; results; sample; strength; tensile", "summary": "Figure 9 shows a schematic example of printing samples for botch print orientations. Experimental verification of the influence of thickness on 3D printed samples on fracture toughness parameters.", "mime": "application/pdf"}, {"id": "ap-1013", "words": "3269", "extension": ".pdf", "flesch": "57", "author": "Behrens, A.", "title": "Creating Panoramic Images for Bladder Fluorescence Endoscopy", "date": "2008", "keywords": "algorithm; bladder; feature; fig; image; video; \ufffd \ufffd", "summary": "The optimal threshold \ufffdt is then determined by \ufffd \ufffdb t T bt t2 0 2( ) max ( )\ufffd \ufffd \ufffd \ufffd (1) with \ufffd \ufffd \ufffd \ufffd \ufffdb t t t t t2 1 2 1 2 2( ) ( ) ( ) ( ( ) ( ))\ufffd \ufffd (2) and the two class probabilities \ufffd1, \ufffd2 and their mean levels \ufffd1, \ufffd2. 5, by \ufffd \ufffd \ufffd \ufffdm x y L x y L x y L x y L x y( , ) ( , ) ( , ) ( , ) ( , )\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd1 1 1 1 2 2 (7) \ufffd( , ) arctan ( , ) ( , ) ( , ) ( , ) x y L x y L x y L x y L x y \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 1 1 1 1\ufffd \ufffd \ufffd \ufffd\ufffd.", "mime": "application/pdf"}, {"id": "ap-10136", "words": "6797", "extension": ".pdf", "flesch": "57", "author": "Sabol, Josef; Fr\u00fdbort, Jan", "title": "Conceptual design of a space nuclear fast reactor", "date": "2025", "keywords": "coolant; fuel; haleu; heu; nuclear; power; reactor; rods; space; temperature", "summary": "It consists of fuel rods, which are axially divided into these parts: the lower reflector part, the fuel part, the gas plenum for fission product accumulation, and the upper reflector part. Nuclear Electric Propulsion (NEP) uses thermal energy generated by the fission of nuclear fuel.", "mime": "application/pdf"}, {"id": "ap-10138", "words": "3923", "extension": ".pdf", "flesch": "51", "author": "M\u00e1tl, Jakub; Fejt, Filip", "title": "Use of the thermo-hydraulic system code RELAP5/MOD3.2 to transient analysis events of the VR-1 reactor", "date": "2025", "keywords": "coolant; core; figure; flow; model; power; reactor; relap5; scram; vr-1", "summary": "reactor model C \u2013 recirculation scheme \u2013 RELAP5. reactor model E \u2013 recirculation scheme \u2013 RELAP5.", "mime": "application/pdf"}, {"id": "ap-10139", "words": "3738", "extension": ".pdf", "flesch": "54", "author": "Kozic, J\u00e1n; \u0160tef\u00e1nik, Milan", "title": "Uranium foil neutron activation analysis", "date": "2025", "keywords": "activation; analysis; foil; neutron; pr pr; reactor; standard; uranium", "summary": "The analysed foils can be used further in the education of students or in experimental applications such as measurements of neutron spectral indexes, neutron activation analysis of uranium ore or delayed neutron analysis. Keywords: Production rate, uranium foils, neutron activation analysis, gamma-ray spectrometry, Training Reactor VR-1, HPGe detector.", "mime": "application/pdf"}, {"id": "ap-10147", "words": "4503", "extension": ".pdf", "flesch": "63", "author": "Jansk\u00fd, Vojt\u011bch; Hejda, Zden\u011bk; Duda, Daniel; Yanovych, Vitalii; Uruba, V\u00e1clav", "title": "Vortices in the wake past adjustable car spoiler in open and closed configuration studied experimentally by PIV", "date": "2025", "keywords": "car; correlation; figure; mean; model; spoiler; stream; variant; velocity; vortex; vortices; wake; wind", "summary": "Vortex correlations Correlation of vortex parameters allows us to discover some coherent behaviour, if it exists. The correlation R of vortex parameter y (or other) is calculated as follows:", "mime": "application/pdf"}, {"id": "ap-1015", "words": "4409", "extension": ".pdf", "flesch": "58", "author": "Stache, N. C.; Nguyen, T. P.", "title": "Automatic Compensation of Workpiece Positioning Tolerances for Precise Laser", "date": "2008", "keywords": "circle; contour; estimation; fig; image; laser; position; welding; \ufffd \ufffd", "summary": "Thus, the problem to be minimized can be formulated as Q B B B B BT T T( ) ( ) minu u u u u u\ufffd \ufffd \ufffd \ufffd2 2 , (5) with the constraint of u 2 1\ufffd to avoid obtaining the trivial so- lution. This can be reformulated as Q B Bi i T T i i( ) minv v v\ufffd \ufffd \ufffd\ufffd , (6) where the eigenvector vopt of BTB, which belongs to the smallest eigenvalue \ufffd4, equals the sought parameter vector u. Thus, the circle parameters c and r can be determined.", "mime": "application/pdf"}, {"id": "ap-10161", "words": "7604", "extension": ".pdf", "flesch": "56", "author": "Samudrala, Bhargavi; Gundagani, Murali; Jayalakshmi, K.", "title": "Effects of coupled diffusion and buoyancy forces on three-dimensional MHD convective Williamson-Casson nanofluid flow: a numerical study", "date": "2025", "keywords": "coefficient; diffusion; effect; figure; flow; heat; nanofluid; number; sheet; stretching; surface; transfer", "summary": "Influence of Lorentz force and induced magnetic field effects on Casson Micropolar nanofluid flow over a permeable curved stretching/shrinking surface under the stagnation region. Hall current and ion slip effects on 3D MHD nanofluid flow of Eyring-Powell fluid with gyrotactic microorganisms.", "mime": "application/pdf"}, {"id": "ap-1017", "words": "3568", "extension": ".pdf", "flesch": "61", "author": "Doutres, O.; Dauchez, N.; Genevaux, J.-M.; Dazel, O.", "title": "Validity of the One-Dimensional Limp Model for Porous Media", "date": "2008", "keywords": "frame; fsi; limp; material; model; \ufffd \ufffd", "summary": "Then, substituting the solid displacement in Eq. (2) gives the propagation equation on uf ~ ~ limK u upf f f\ufffd \ufffd \ufffd2 2 0\ufffd \ufffd , (7) with ~K f the bulk modulus of the air in the pores and ~ lim\ufffd p the modified density of the air. Assuming a harmonic time dependence, the equation of motion can be written in the following form [11]: \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd\ufffd \ufffd \ufffd \ufffd 2 2 212 22 ~ ~~ ~ \ufffd\ufffd \ufffdu u P us f s , (1) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd2 12 2 22 2 2~ ~ ~ ~u u Q u R us f s f , (2) with ~ ~ ~ ~ ~\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 11 12 Q R , ~ ~ ~ ~ ~\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 12 22 Q R .", "mime": "application/pdf"}, {"id": "ap-10175", "words": "4237", "extension": ".pdf", "flesch": "63", "author": "Oyelade, Akintoye O.; Ehinmowo, Adegboyega B.; Oribayo, Oluwasola; Abiodun, Yetunde O.", "title": "Wave propagation in a pipe conveying two phase flow", "date": "2025", "keywords": "conveying; flow; fluid; phase; pipes; velocity; wave", "summary": "Keywords: Wave propagation, phase velocity, group velocity, two phase, natural frequency. \u2212 C2 p + 2CpvL \u221a \u03b2L ( 1 + KsvL \u03b1G\u03c1G \u03c1L(1 \u2212 \u03b1G) ) \u2212 ( v2 L + v2 L \u03c1G \u03c1L K2 s \u03b1G (1 \u2212 \u03b1G) \u2212 T + P + \u03b8 ) = 0 (15) Then, the expressions for phase velocity and group velocity are defined as: Cp = 1 2 \u221a 4 ( vL \u221a \u03b2L + vL \u221a \u03b2L \u03b1G\u03c1G \u03c1L(1 \u2212 \u03b1G) )2 + 4\u0393 + 2vL \u221a \u03b2L ( 1 + \u03b1G\u03c1G \u03c1L(1 \u2212 \u03b1G) ) , (16)", "mime": "application/pdf"}, {"id": "ap-1019", "words": "1761", "extension": ".pdf", "flesch": "61", "author": "Bedn\u00e1\u0159, M.", "title": "The Precision Simulation of the First Generation Matrix Converter", "date": "2008", "keywords": "converter; fig; matrix; simulation; switching; system", "summary": "Keywords: Matrix converter, real-time system, simulation, energy conversion. All the system parts are 66 \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ Acta Polytechnica Vol. 48 No. 3/2008 The Precision Simulation of the First Generation Matrix Converter M. Bedn\u00e1\u0159 This paper describes simulation of first generation matrix converter, which was realized in the lab.", "mime": "application/pdf"}, {"id": "ap-1021", "words": "2258", "extension": ".pdf", "flesch": "57", "author": "Steffen, M.; Leonhardt, S.", "title": "Non-Contact Monitoring of Heart and Lung Activity by Magnetic Induction Measurement", "date": "2008", "keywords": "fig; heart; induction; measurement; monitoring; \ufffd \ufffd", "summary": "- Ch. 3) vs. heart reference (PPG) (Volunteer in back position) 5 Conclusion The elimination of electric contact between a medical de- vice and the patient\u2019s body is a promising idea, and this paper presents one feasible approach to non-contact monitoring, based on magnetic induction. 2: Concept of magnetic induction measurements [9].", "mime": "application/pdf"}, {"id": "ap-1023", "words": "2309", "extension": ".pdf", "flesch": "58", "author": "\u0158e\u0159\u00e1bek, M.", "title": "Space Variant PSF \u2013 Deconvolution of Wide-Field Astronomical Images", "date": "2008", "keywords": "aberrations; fig; image; psf; system; \ufffd \ufffd", "summary": "2 Transfer characteristics of optical imaging systems The description of transfer characteristics (mainly PSF) of optical imaging system is presented in the following section. This relation affects the transfer characteristics of optical systems and makes them spatially variant.", "mime": "application/pdf"}, {"id": "ap-10236", "words": "4076", "extension": ".pdf", "flesch": "51", "author": "Henzler, Weronika; Szala, Miros\u0142aw; Pa\u0142ka, Tomasz; Wygl\u0119dacz, Bernard; Czupry\u0144ski, Artur; \u0141atka, Leszek", "title": "Comparison of cavitation erosion of NiCrBSi and AISI 316L coatings deposited by powder plasma transferred Arc welding", "date": "2025", "keywords": "316l; cavitation; coatings; erosion; hardness; materials; microstructure; nicrbsi; resistance; steel; welding", "summary": "Effect of manganese ion implantation on cavitation erosion resistance of HIPed Stellite 6. Licensed under a CC-BY 4.0 licence Published by the Czech Technical University in Prague COMPARISON OF CAVITATION EROSION OF NICRBSI AND AISI 316L COATINGS DEPOSITED BY POWDER PLASMA TRANSFERRED ARC WELDING Weronika Henzlera, Miros\u0142aw Szalaa,\u2217, Tomasz Pa\u0142kab, Bernard Wygl\u0119daczc, Artur Czupry\u0144skic, Leszek \u0141atkad a Lublin University of Technology, Faculty of Mechanical Engineering, Department of Materials Engineering, Nadbystrzycka 36D, 20-618 Lublin, Poland b Lublin University of Technology, Faculty of Mechanical Engineering, Department of Production Engineering, Nadbystrzycka 36D, 20-618 Lublin, Poland c Silesian University of Technology, Faculty of Mechanical Engineering, Department of Welding Engineering,", "mime": "application/pdf"}, {"id": "ap-1025", "words": "2364", "extension": ".pdf", "flesch": "63", "author": "Bauer, J.", "title": "Single-Phase Pulse Width Modulated Rectifier", "date": "2008", "keywords": "current; fig; pwm; rectifier; supply; voltage; \ufffd \ufffd", "summary": "Conclusion The use of PWM control in rectifiers eliminates the prob- lems caused by using phase controlled rectifiers. PWM rectifiers can be divided into two groups according to power circuit connection \u2013 the current and the voltage type.", "mime": "application/pdf"}, {"id": "ap-1027", "words": "2439", "extension": ".pdf", "flesch": "56", "author": "Sokoll, J.; Fingerhuth, S.", "title": "Psychoacoustic Properties of Fibonacci Sequences", "date": "2008", "keywords": "binary; fibonacci; fig; sequence; \ufffd \ufffd", "summary": "Table 1 shows the binary Fibonacci Sequence for the first 8 years. The sequence of the number of pairs Fn is the original Fibonacci Sequence.", "mime": "application/pdf"}, {"id": "ap-1029", "words": "4961", "extension": ".pdf", "flesch": "60", "author": "\u0160ime\u010dek, I.", "title": "Acceleration of Sparse Matrix-Vector Multiplication by Region Traversal", "date": "2008", "keywords": "cache; csr; fig; format; matrices; matrix; misses; performance; region; spm\u00d7v", "summary": "The CSR format can be inef- ficient due to many thrashing misses for some types of matrices: \ufffd matrices with a large number of nonzero elements per row (relative to the cache size), \ufffd matrices with large bandwidth (relative to the cache size). I I( )\ufffd \ufffd .", "mime": "application/pdf"}, {"id": "ap-1031", "words": "4687", "extension": ".pdf", "flesch": "59", "author": "Jirout, T.; Fo\u0159t, I.", "title": "An Investigation of the Erosion Wear of Pitched Blade Impellers in a Solid-Liquid Suspension", "date": "2008", "keywords": "blade; impeller; time; wear; \ufffd \ufffd", "summary": "(15), h\ufffd1 cV average volumetric concentration of solid parti- cles, m3 \ufffdm\ufffd3 D impeller diameter, m Do hub diameter, m dp average diameter of solid particles, m H height of liquid from bottom of the vessel, m H dimensionless transversal coordinate of the profile of the worn blade h width of impeller blade, m k wear rate constant m weight of impeller blade, kg n impeller speed, s\ufffd1 R regression coefficient R dimensionless longitudinal (radial) coordinate along the radius of the impeller blade r longitudinal (radial) coordinate along the radius of the impeller blade, m s thickness of the impeller blade, m T vessel diameter, m t time, h y transversal coordinate along the width of the blade, m Greek symbols \ufffd pitch angle of the blade, deg \ufffdl density of liquid, kg\ufffdm\ufffd3 \ufffd dynamic viscosity, Pa\ufffds Indices av average value j summation index n related to the concentration of solid particles d related to the diameter of the particles t related to time o initial value \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ 25 Acta Polytechnica Vol. 48 No. 4/2008 0 0.05 0.1 0.15 0.2 0.25 0 20 40 60 80 100 t A four-blade pitched blade impeller (pitch angle \ufffd \ufffd 30\u00b0), pumping downwards, was investigated in a pilot plant fully baffled agitated vessel with a water suspension of corundum.", "mime": "application/pdf"}, {"id": "ap-1033", "words": "2440", "extension": ".pdf", "flesch": "50", "author": "Klenko, Y.; Scholtz, V.", "title": "Influence of a Point-to-Plane DC Negative Corona Discharge on Gel Surfaces", "date": "2008", "keywords": "corona; discharge; fig; gel; needle; point; surface", "summary": "Corona discharges are usually realized in such a way that one of the electrodes has a small radius of curvature. Each type of gel electrode was placed in a standard Petri dish (90 mm in diameter).", "mime": "application/pdf"}, {"id": "ap-1035", "words": "2288", "extension": ".pdf", "flesch": "48", "author": "Seman\u010d\u00edk, P.; Cimbala, R.; Z\u00e1li\u0161, K.", "title": "Thermal \u2013 Oxidation Stability of Insulating Fluids", "date": "2008", "keywords": "oil; orgrez; oxidation; stability; test", "summary": "[1]: \ufffd temperature 100 \u00b0C, \ufffd volume of oil samples 5 l, \ufffd bubbling of oil dried and refined by air in larger amounts than are needed for reaction of oil with the air, \ufffd accelerator: copper wires in quantities cca 0.1 cm2/g mea- sured oil. Test conditions: The filtered fluid sample oxidizes under the following conditions [3]: \ufffd oil weight: 25 g \ufffd 0.1 g, \ufffd oxidation gas: air, \ufffd gas flow speed: 0.15 l/h \ufffd 0.015 l/h, \ufffd test period:", "mime": "application/pdf"}, {"id": "ap-10353", "words": "8195", "extension": ".pdf", "flesch": "53", "author": "Parente de Oliveira Alves, Victor; Negr\u00e3o Mac\u00eado, Wilson; Andr\u00e9 Barros Galhardo, Maros", "title": "Direct current nanogrid providing energy for water pumping: a comparative study in a riverside community in the Amazon", "date": "2025", "keywords": "amazon; current; dcdn; direct; efficiency; energy; equipment; figure; inverter; model; nanogrid; power; pump; pumping; residence; system; water; water pump", "summary": "Water pumping systems are crucial for improving the quality of life for riverside communities. Ad- ditional practical approaches for increasing the effi- ciency of water pumping systems can be found, with one example presented in [12].", "mime": "application/pdf"}, {"id": "ap-1037", "words": "7872", "extension": ".pdf", "flesch": "62", "author": "Dole\u017eel, V.; Proch\u00e1zka, P.; K\u0159\u00edstek, V.", "title": "Modeling Water Pollution of Soil", "date": "2008", "keywords": "cos \ufffd; k \ufffd; r r; r \ufffd; t \ufffd; w \ufffd; x \ufffd; z \ufffd; \ufffd eff; \ufffd f; \ufffd ij; \ufffd p; \ufffd sin; \ufffd u; \ufffd \ufffd", "summary": "(V is the volume of \ufffd ) and the principle of conservation of mass, that the bulk modulus K a is equal to the magnitude of the air pressure pa. Summing up the above theory, the first system of equa- tions can be formulated as: \ufffd \ufffd \ufffd x S p S p b j ij ij i\ufffd \ufffd \ufffd \ufffd \ufffd( )w w a a 0, (18) where \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffdij ij ijn S p S p( ) ( )1 w w a a , \ufffdij is again the unit tensor of the second order and \ufffd \ufffdb n nS nS gi \ufffd \ufffd \ufffd \ufffd( )1 \ufffd \ufffd \ufffds w w a a , see (14). The boundary conditions can also be derived as: p n pn pis prescribed on and is prescribed on\ufffd \ufffd , ,\ufffd \ufffd \ufffd \ufffd \ufffdn p n p, \ufffd \ufffd -0 (23) (since the permeability coefficients are also defined by vector transformation) after some algebra we eventually get: r r k p r r k p r z k p z p z\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 1 t rf $ % & ' ( ) \ufffd \ufffd \ufffd \ufffd \ufffd + + \ufffd \ufffd d d \ufffd \ufffd \ufffd \ufffd , (24) which is valid for arbitrarily \ufffd from an admissible set of solu- tions.", "mime": "application/pdf"}, {"id": "ap-10388", "words": "6248", "extension": ".pdf", "flesch": "51", "author": "Lovska, Alyona; Ravlyuk, Vasyl; Derevyanchuk, Oleksandr; Di\u017eo, J\u00e1n", "title": "Integration of STEM technologies into the professional training of transport engineers and expert education teachers", "date": "2025", "keywords": "bogie; brake; design; education; engineering; figure; levers; model; printing; process; stem; technologies; tightening; training", "summary": "A brake lever transmission of a freight wagon bogie: 1, 2 \u2013 vertical levers; 3 \u2013 a triangle; 4 \u2013 a pad; 5 \u2013 a brake pad; 6 \u2013 pendulum suspen- sions; 7 \u2013 tightening of vertical levers; 8 \u2013 a spacer; 9 \u2013 a bracket. Therefore, this must be taken into account when studying the strength of vertical lever tightening in dynamics.", "mime": "application/pdf"}, {"id": "ap-1039", "words": "4462", "extension": ".pdf", "flesch": "51", "author": "Fo\u0159t, I.; Hasal, P.; Paglianti, A.; Magelli, F.", "title": "Axial Force at the Vessel Bottom Induced by Axial Impellers", "date": "2008", "keywords": "blade; dimensionless; flow; impeller; liquid; pressure; vessel; \ufffd \ufffd", "summary": "1: Pilot plant experimental equipment vessel was equipped with four radial baffles (width of baffles b T\ufffd 01. ) and was stirred with a four pitched blade impeller (pitch angle \ufffd \ufffd \ufffd45 , diameter D T\ufffd ( )2 5 , width of blade W D\ufffd 5), pumping downward. 3 and 4 that the subregion between ra- dius r1 (R1) and radius r2 (R2) of the flow along the bottom practically diminishes at the level of impeller C T \ufffd1 3.", "mime": "application/pdf"}, {"id": "ap-1041", "words": "3050", "extension": ".pdf", "flesch": "48", "author": "Frydr\u00fd\u0161ek, K.", "title": "Probabilistic Analysis of the Hard Rock Disintegration Process", "date": "2008", "keywords": "bit; disintegration; fem; fig; ore; results; sbra", "summary": "5 Results \u2013 stochastic evaluation Figs. 9 to 14 show the equivalent stress (i.e. \ufffdHMH distribu- tions) at some selected time t of the solution calculated for one of 500 Monte Carlo simulations (i.e. for one situation when the material of the ore is described by values Rp \ufffd12 MPa, Rm \ufffd13 5. MPa, E \ufffd 20000 MPa and \ufffd \ufffd 0 2. ). Figure 16 is calculated for one simulation (i.e. for the situation when the material of the ore is described by values Rp \ufffd12 MPa, Rm \ufffd13 5.", "mime": "application/pdf"}, {"id": "ap-1043", "words": "3348", "extension": ".pdf", "flesch": "56", "author": "Hilar, M.; Pru\u0161ka, J.", "title": "Statistical Analysis of Input Parameters Impact on the Modelling of Underground Structures", "date": "2008", "keywords": "input; mass; number; parameters; rock; tunnel; \ufffd \ufffd", "summary": "A multi- criteria analysis resulted in the selection of pre-excavation 6 \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ Acta Polytechnica Vol. 48 No. 5/2008 Number of calculation a b In \ufffd1 In \ufffd 2 In \ufffd 3 In \ufffd 4 In \ufffd 5 Value qij\u2019 \ufffd1 1 \ufffd0.64 \ufffd0.26 0.00 0.26 0.64 Ground 1 25 27 25.4 25.6 26.0 26.4 26.6 Ground 2 27 29 27.4 27.6 28.0 28.4 28.6 Ground 3 22 25 22.5 22.9 23.5 24.1 24.5 Ground 4 25 30 25.9 26.5 27.5 28.6 29.1 Ground 5 30 35 30.9 31.5 32.5 33.6 34.1 Ground 6 35 38 35.5 35.9 36.5 37.1 37.5 Ground 7 35 38 35.5 35.9 36.5 37.1 37.5 Ground 8 25 28 25.5 25.9 26.5 27.1 27.5 Table 1: Input \ufffd values for various geotechnical layers based on random intervals Calculation q E1 \ufffd q2 \ufffd \ufffd q3 \ufffd \ufffd q c4 \ufffd q5 \ufffd \ufffd 1 4 2 2 5 3 2 1 3 5 2 1 3 3 5 3 4 5 4 5 1 4 3 4 5 2 4 1 1 2 Table 2: Random permutations of the input parameters qi Parameter qij Edef This classification was established in 1974 in Norway (by Barton, Lien, Lunde and Loset) and is based on six parameters [4]: Q RQD J J J J SRFn r a w \ufffd \ufffd \ufffd , (1) where RQD \ufffd rock quality designation, Jn \ufffd joint set num- ber, Ja \ufffd joint alteration number, Jw \ufffd joint water reduction number, SRF \ufffd stress reduction factor.", "mime": "application/pdf"}, {"id": "ap-1045", "words": "1727", "extension": ".pdf", "flesch": "61", "author": "Jilemnick\u00e1, L.; Berka, V.; Hromada, E.", "title": "Development of Real Estate Market in the Czech Republic", "date": "2008", "keywords": "czech; fig; flats", "summary": "The slow growth in interest rates slightly increases the ten- dency to sell older flats. A similar trend can also be observed in the tenancy of older flats.", "mime": "application/pdf"}, {"id": "ap-1047", "words": "3778", "extension": ".pdf", "flesch": "71", "author": "Prajzler, V.; Je\u0159\u00e1bek, V.; Lyutakov, O.; H\u00fcttel, I.; \u0160pirkov\u00e1, J.; Machovi\u010d, V.; Oswald, J.; Chvostov\u00e1, D.; Zavadil, J.", "title": "Optical Properties of Erbium and Erbium/Ytterbium Doped Polymethylmethacrylate", "date": "2008", "keywords": "er3; fig; ions; samples; vol; yb3", "summary": "3 displays the FT-IR spectra of PMMA layers doped with Er3\ufffd ions (ErCl3) in the wavelength range from 4000 to 2600 cm\ufffd1. \ufffd The Er3\ufffd doped PMMA samples exhibited a typical emis- sion at 1530 nm, due to the Er3\ufffd intra-4f 4I13/2 \ufffd 4I15/2 only at samples with higher content of Er3\ufffd ions.", "mime": "application/pdf"}, {"id": "ap-1049", "words": "2808", "extension": ".pdf", "flesch": "51", "author": "\u0158\u00edmal, J.; \u0160indler, D.", "title": "Comparison of Temperature Loadings of Bridge Girders", "date": "2008", "keywords": "bridge; temperature; \ufffd \ufffd", "summary": "Using reference temperature t f \ufffd10 \u00b0C (tem- perature when the bridge girder was placed on the bearings), the uniform temperature components are as follows: \ufffdt t tmax max\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd0 40 10 30 \u00b0C \ufffdt t tmin min\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd0 1: Tmax \ufffd \ufffd37 \u00b0C \ufffd \ufffd \ufffdTe, max 45 \u00b0C Tmin \ufffd \ufffd24 \u00b0C \ufffd \ufffd \ufffdTe, min 24 \u00b0C Using reference temperature T0 10\ufffd \u00b0C (the temperature when the bridge girder was placed on the bearings) the uni- form temperature components are as follows: T T TN pos e, , max\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd0 45 10 35 \u00b0C T T TN neg e, , min\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd0 20 10 30 \u00b0C Components with temperature differences: Because a composite bridge girder is not a simple struc- ture with acceptable details, it is necessary to apply a non- linear temperature gradient.", "mime": "application/pdf"}, {"id": "ap-1051", "words": "2688", "extension": ".pdf", "flesch": "64", "author": "\u0160ime\u010dek, I.", "title": "Memory Hierarchy Behavior Study during the Execution of Recursive Linear Algebra Library", "date": "2008", "keywords": "cache; fig; gemm; matrix; \ufffd \ufffd", "summary": "4 Evaluation of the results 4.1 Testing configuration 4.1.1 HW configuration All results were measured on Pentium Celeron M420 at 1.6 GHz, 2GB@ 333 MHz, with the following cache parameters: L1 cache is a data cache with BS \ufffd 64, CS \ufffd 32 kB, s \ufffd 8, h \ufffd 64, and LRU replacement strategy. [7]. \ufffd For TLB miss ratio measuring, we also used the CA with the following parameters: h \ufffd1, s \ufffd128, BS \ufffd 4096.", "mime": "application/pdf"}, {"id": "ap-1053", "words": "2435", "extension": ".pdf", "flesch": "72", "author": "Rieger, F.", "title": "Dissipative Heating in a Rotational Viscometer with Coaxial Cylinders", "date": "2008", "keywords": "t \ufffd; \ufffd f; \ufffd k; \ufffd \ufffd", "summary": "Using this model, the relation of shear stress \ufffd and shear rate \ufffd\ufffd can be expressed by the following relation: \ufffd \ufffd \ufffd \ufffd\ufffd \ufffdp\ufffd 0 for \ufffd \ufffd\ufffd 0, (2) where \ufffd0 is the yield stress and \ufffdp stands for plastic viscosity. \ufffd \ufffd \ufffd022 168 C, 2b) T T T T K K t\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd f f( )[ * ( *) exp( *)]", "mime": "application/pdf"}, {"id": "ap-1055", "words": "4982", "extension": ".pdf", "flesch": "67", "author": "Sv\u00edtek, M.", "title": "Wave Probabilistic Model of Binary Time Series", "date": "2008", "keywords": "functions \ufffd; p(a \ufffd; parameters \ufffd; phase \ufffd; \ufffd cos; \ufffd \ufffd", "summary": "Suppose now with respect to Theorem 3 that: P A A(( ) ( )\ufffd \ufffd\ufffd \ufffd \ufffd \ufffd\ufffd0 1 01 . (38) If we use the estimated angle we can compute the inclu- sion-exclusion probability as: \ufffd ( ) ( )) \ufffd ) \ufffd ) \ufffd ) P( A A P(A P(A P(A \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 0 1 0 1 2 0 1 1 \ufffd ) cos( \ufffd ) ,P(A \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd1 1 11 14 (39) where the estimate (39) corresponds to the occurrence rate directly estimated from the time series: \ufffd ( ) ( ))", "mime": "application/pdf"}, {"id": "ap-10553", "words": "5379", "extension": ".pdf", "flesch": "68", "author": "Exner, Pavel", "title": "Quantum graphs featuring unusual self-adjoint extensions", "date": "2025", "keywords": "adjoint; quantum; self", "summary": "By Krein\u2019s formula [9] the resolvents of H\u0302 and HD differ by an operator of rank not exceeding N (in fact, equal to N \u2212 1), hence their essential spectra coincide and we get \u03c3ess(H\u0302) = \u2205. Furthermore, both H\u0302 and HD are self-adjoint exten- sions of the same symmetric operator of the deficiency indices not exceeding N (the domain of which is ob- tained by imposing the conditions \u03c8j(0) = \u03c8\u2032 j(0) = ei\u03b8Aout j (V \u03c8) at infinity; one is Neumann at the origin and N \u2212 1 satisfy Dirichlet condition there.", "mime": "application/pdf"}, {"id": "ap-10563", "words": "11951", "extension": ".pdf", "flesch": "51", "author": "Campoamor-Stursberg, Rutwig", "title": "The scientific legacy of Miloslav Havl\u00ed\u010dek", "date": "2025", "keywords": "algebra; canonical; exner; group; journal; klimyk; lie; lie algebras; m. havl\u0301\u0131c\u030cek; mathematical; miloslav; operators; physics; pos\u030cta; quantum; realisations; representations; theory", "summary": "As a first decisive advance towards the classification, a detailed procedure to determine fine gradings for the class of classical Lie algebras was given, and an equivalence criterion for fine gradings based on labeled graphs was proposed. We review the main research achievements of Miloslav Havl\u0301\u0131c\u030cek in algebraic methods in Quantum Theory, his extensive work on realisations of Lie algebras and superalgebras and their representation theory, quantum groups and differential equations.", "mime": "application/pdf"}, {"id": "ap-1057", "words": "3441", "extension": ".pdf", "flesch": "59", "author": "Khalil, S. A.; Fathy, A. M.", "title": "An Empirical Method for Estimating Global Solar Radiation over Egypt", "date": "2008", "keywords": "ges \ufffd; global; method; radiation; values; \ufffd \ufffd", "summary": "2 Methodology The original form, proposed by Angstrom, expressed the correlation between clear sky global solar radiation and sun- shine duration as follows: G G a b S Nc\ufffd \ufffd{ ( )}. List of symbols Gc clear sky global solar radiation in kW/m2, S sunshine duration in hours, N length of the daylight in hours, G0 extraterrestrial solar radiation on a horizontal sur- face in kW/m2, E0 correction factor of the Earth\u2019s orbit, \ufffd sunrise/sunset hour angle, dn day number in the year (1 365\ufffd \ufffddn ), \ufffd declination of the sun, \ufffd latitude of the station, \ufffd day angle in radiance, RMSE root mean square error, MBE mean bias error, n number of data pairs, \ufffd % absolute percentage error, Gm measured values of global solar radiation, Ges estimated values of global solar radiation.", "mime": "application/pdf"}, {"id": "ap-1059", "words": "4061", "extension": ".pdf", "flesch": "53", "author": "Novak, M.; Dol\u0161ak, B.", "title": "An Intelligent System for Structural Analysis-Based Design Improvements", "date": "2008", "keywords": "analysis; design; engineering; hole; knowledge; process; system; vol", "summary": "Keywords: computer-aided design, structural optimisation, knowledge based systems, decision support experience gained by many design iterations are of crucial importance. On the other hand, design changes are necessary for under-dimensioned structure, which cannot bear the loadings and will fail during its exploitation.", "mime": "application/pdf"}, {"id": "ap-10600", "words": "4225", "extension": ".pdf", "flesch": "73", "author": "Dvo\u0159\u00e1kov\u00e1, L\u2019ubom\u00edra; Pelantov\u00e1, Edita", "title": "Frequencies of letters in infinite k-balanced sequences", "date": "2025", "keywords": "frequencies; letter; sequence", "summary": "Keywords: Letter frequency, balanced sequences, balancedness threshold, factor complexity. i < kn + n : ui = a} n exists and is the same for any choice of (kn)n\u2208N. The definition of letter frequency in the introduction is restricted to the study of the limit for the sequence (kn) = (0).", "mime": "application/pdf"}, {"id": "ap-10605", "words": "5421", "extension": ".pdf", "flesch": "62", "author": "Nesterenko, Maryna; Po\u0161ta, Severin; Staryi, Mykola", "title": "On realizations of Lie algebras", "date": "2025", "keywords": "algebras; case; conformal; fields; group; lie; method; realizations; representations; vector", "summary": "\u2212 x7\u22027 \u2212 x8\u22028 \u2212 x9\u22029 + \u220210. \u2212 x7\u22027 \u2212 x8\u22028 \u2212 x9\u22029 + \u220210.", "mime": "application/pdf"}, {"id": "ap-1061", "words": "3175", "extension": ".pdf", "flesch": "69", "author": "\u0160korp\u00edk, J.", "title": "The Amount of Regenerated Heat Inside the Regenerator of a Stirling Engine", "date": "2008", "keywords": "engine; heat; regenerator; \ufffd q; \ufffd \ufffd", "summary": "If the thermodynamic processes are iso- thermal on the hot side and the cold side, then the enthalpy of the working gas does not change (\ufffd \ufffdI IH C( ) ( )\ufffd \ufffd \ufffd\ufffd \ufffd0 0) and we can using equation (13). (12) The amount of regenerated heat can be computed exactly if the change enthalpy of the working gas on the hot side and the cold side \ufffd \ufffdI IH C( ) ( )\ufffd \ufffd \ufffd\ufffd 0 is known (more about this problem in [3], [4]).", "mime": "application/pdf"}, {"id": "ap-10625", "words": "5137", "extension": ".pdf", "flesch": "66", "author": "Matchonov, Kuvonchbek; Matrasulov, Davron; Dittrich, Jaroslav", "title": "Dirac fermion in a time-dependent spherical box", "date": "2025", "keywords": "box; dirac; equation; particle; quantum; r0(t; time", "summary": "Dirac particle in a spherical box The Dirac equation on confined domains has been studied in [11\u201316]. For a massless Dirac particle, i.e. for m = 0, the average coordinate can be defined using (18) for R0(t)", "mime": "application/pdf"}, {"id": "ap-1063", "words": "3419", "extension": ".pdf", "flesch": "60", "author": "Lidmila, M.; Horn\u00ed\u010dek, L.; Krej\u010di\u0159\u00edkov\u00e1, H.; Tyc, P.", "title": "Prerequisites for Increasing the Axle Load on Railway Tracks in the Czech Republic", "date": "2008", "keywords": "axle; bed; load; track", "summary": "Axle load to 250 kN, S49 rails may be used only for ver- tical rail head wear of up to 20 mm in track beds with loading capacity coefficients of 100 MPa\ufffd1 and more. For loading by 300 kN, the requirements are met only by track beds with loading capacity coefficients of 100 MPa\ufffdm\ufffd1 and more.", "mime": "application/pdf"}, {"id": "ap-1065", "words": "3557", "extension": ".pdf", "flesch": "61", "author": "Zemanov\u00e1, A.; Zeman, J.; \u0160ejnoha, M.", "title": "Simple Numerical Model of Laminated Glass Beams", "date": "2008", "keywords": "glass; \ufffd \ufffd", "summary": "u i e ( ) , ( ) , ( ) ( ) , ( )( ) ( ) , ( ) ( )\ufffd \ufffdN r N r , ( ) , , , , ( ) , ( ) ( ) , ( ) ( ) , ( u i e e w e w e e w e w e i w x x w x x\ufffd \ufffdN r N r \ufffd x x x xe i e i e i e i e i) ( ) , ( ) ( ) ,, ( ) , ( ) ( ) , ( ) , ( )\ufffd \ufffdN r N r\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffde i e i e i e i e i ex x x x( ) , ( ) , ( ) ( ) , ( )( ) ( ) , ( ) ( )\ufffd \ufffdN r N r , ( ) ,\ufffd i where e is used to denote the element number, \ufffde and \ufffde denote a relevant searched and test field restricted to the e-th element, Ne i ,\u2022 ( ) is the associated matrix of the basis functions and re i ,\u2022 ( ) is the matrix of nodal unknowns. i i ix u z x z w x x x w x ( ) ( ) ( ) ( ) ( )( ) ( , ) ( ) ( ) (\ufffd \ufffd \ufffd \ufffd d d x) , (2) which, when combined with the constitutive equations of each layer expressed in terms of Young\u2019s modulus E and the shear modulus G: \ufffd \ufffdx", "mime": "application/pdf"}, {"id": "ap-10666", "words": "2458", "extension": ".pdf", "flesch": "56", "author": "Turbiner, Alexander V.", "title": "gl3 ALGEBRA IN MIXED MATRIX REPRESENTATIONS", "date": "2025", "keywords": "algebra; gl3; matrix; operators; representation", "summary": "In the partic- ular case of the gl3 algebra, these generators take the form: E11 = x1\u22021 + M11, E22 = x2\u22022 + M22, E12 = x1\u22022 + M12, E21 = x2\u22021 + M21, E0 = k \u2212 x1\u22021 \u2212 x2\u22022, T \u2212 1 = \u22021, T \u2212 2 = \u22022, T + 1 = x1(k \u2212 x1\u22021 \u2212 x2\u22022) [7], for discussion see [8]: a = \u2202 \u2202z\u0304 , a\u2020 = \u2212 \u2202 \u2202z + z\u0304. (6)", "mime": "application/pdf"}, {"id": "ap-1067", "words": "2146", "extension": ".pdf", "flesch": "61", "author": "Frank, H.", "title": "Influence of Simulated LOCA on the Properties of Zircaloy Oxide Layers", "date": "2008", "keywords": "fig", "summary": "At higher temperatures \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ 27 Acta Polytechnica Vol. 48 No. 6/2008 Influence of Simulated LOCA on the Properties of Zircaloy Oxide Layers H. Frank Specimens of Zr1Nb and Zry-4W were pre-oxidized first for 360 days in steam at 425 \u00b0C and were then exposed for 3 min to 1200 \u00b0C in steam, simulating loss of coolant conditions. The I-V characteristics of Zr1Nb showed normal behavior, whereas Zry-4W changed from an unusual sub-linear form at low temperatures and voltages to normal space-charge limited currents at higher temperatures and voltages.", "mime": "application/pdf"}, {"id": "ap-10679", "words": "3257", "extension": ".pdf", "flesch": "60", "author": "Bandilla, Arno; Chadzitaskos, Goce; Jex, Igor", "title": "Unitary generation of GHZ states", "date": "2025", "keywords": "bell; generation; ghz; quantum; state; transformation", "summary": "The generation and manipulation of quantum states is one of the standard tasks for physics, particularly in quantum optics. On the level of quantum states two of the crucial properties of quantum mechanics can be demonstrated [3, 4].", "mime": "application/pdf"}, {"id": "ap-1069", "words": "5393", "extension": ".pdf", "flesch": "60", "author": "Do\u010dekal, A.; Kreidl, M.; \u0160m\u00edd, R.", "title": "Evaluation of Methods used for Separation of Vibrations Produced by Gear Transmissions", "date": "2008", "keywords": "feature; gear; methods; results; search; selection; signal; transmission; vibration; \ufffd \ufffd", "summary": "Feature selection methods are therefore used that can find a suboptimal solution only, but their computation is less de- manding. The vibration signal generated by the gear transmission can be separated using methods that make it possible to select the valid features included in the signal.", "mime": "application/pdf"}, {"id": "ap-10691", "words": "9380", "extension": ".pdf", "flesch": "69", "author": "del Olmo, Mariano A.; Romaniega, \u00c1lvaro", "title": "Classical and quantum superintegrable systems on the sphere and the hyperbolic 2-space", "date": "2025", "keywords": "equation; hamiltonian; operators; systems", "summary": "For this solution, we obtain the following expression for N\u2212,1N+,1 + \u00b51: \u2212\u22022 \u03be \u2212 coth \u03be \u2202\u03be \u2212 (l2 \u2212 1)2 \u2212 1 4 cosh2 \u03be + (Mk \u2212 1)2 sinh2 \u03be . In this case N\u2212,2N+,2 + \u00b52 yields: \u2212\u22022 \u03be \u2212 coth \u03be \u2202\u03be \u2212 (l2 + 1)2 \u2212 1 4 cosh2 \u03be + (Mk \u2212 1)2 sinh2 \u03be , (97) where the parameters Mk and l2 are replaced by Mk\u22121 and l2 + 1, respectively.", "mime": "application/pdf"}, {"id": "ap-10701", "words": "6771", "extension": ".pdf", "flesch": "69", "author": "van der Meer, Niels; Bene\u0161, Michal", "title": "Method of lines for reaction-diffusion systems admitting invariant regions", "date": "2025", "keywords": "convergence; diffusion; equations; method; model; numerical; reaction; solution; systems", "summary": "Conclusion The finite-difference method of lines turns out to be ef- ficient, easy to implement, and accurate in approximat- ing nonlinear dynamics of reaction diffusion systems. Preserving invariance properties of reaction\u2013diffusion systems on stationary surfaces.", "mime": "application/pdf"}, {"id": "ap-1071", "words": "2744", "extension": ".pdf", "flesch": "69", "author": "Vacek, J.; Vacek, J.; Chocholou\u0161ov\u00e1, J.", "title": "Rock Burst Mechanics: Insight from Physical and Mathematical Modelling", "date": "2008", "keywords": "bump; burst; coal; force; photo; rock", "summary": "We observed the mechanism and the history of coal rock bursts. For rock bursts (also called bumps) to occur, the rock has to possess certain particular rock burst properties leading to accumulation of energy and the potential to release this energy.", "mime": "application/pdf"}, {"id": "ap-1073", "words": "6704", "extension": ".pdf", "flesch": "57", "author": "\u0160tancl, J.; Sko\u010dilas, J.; \u0160est\u00e1k, J.; \u017ditn\u00fd, R.", "title": "Properties of Starch Based Foams Made by Thermal Pressure Forming", "date": "2008", "keywords": "conductivity; crust; h \ufffd; heating; porosity; properties; starch; suspension; thickness; \ufffd m; \ufffd \ufffd", "summary": "where h* is the relative thickness of an idealized compact crust without pores, and \ufffd \ufffd\ufffd \ufffdf ( )*1 h is the mean porosity of the whole sandwich plate. i c 2 2 \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffdL L( ) tanh( ) ( ) tanh( ) tanh ( \ufffd \ufffdi c i cy y y\ufffd \ufffd \ufffd\ufffd \ufffd) tanh( ) 2 , (7b)", "mime": "application/pdf"}, {"id": "ap-1075", "words": "3036", "extension": ".pdf", "flesch": "63", "author": "Macek, K.", "title": "Pareto Principle in Datamining: an Above-Average Fencing Algorithm", "date": "2008", "keywords": "algorithm; data; fencing; intervals; \ufffd \ufffd", "summary": "Let \ufffd : X n\ufffd \ufffd be attributes of X. (Attributes can be con- sidered as columns in a data table, i.e. the n-tuple from the i-th row. 2.3 Starting set of intervals The starting set of intervals is defined as follows R xi i BO O\ufffd \ufffdcc( ) , whereby B ni B y k B BO i\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd ( ) ( ) , cc is the complement coding cc :\ufffd \ufffd n n\ufffd 2 and k is a parameter.", "mime": "application/pdf"}, {"id": "ap-1077", "words": "2391", "extension": ".pdf", "flesch": "62", "author": "Correia, Ant\u00f3nio J. P. Moura; Rodrigues, Joao Paulo C.; Silvac, Valdir Pignatta e", "title": "Influence of Brick Walls on the Temperature Distribution in Steel Columns in Fire", "date": "2009", "keywords": "case; fig; fire", "summary": "This paper presents the results of fire resistance tests in steel columns embedded on walls, carried out at the Laboratory of Testing Materials and Structures of the Uni- versity of Coimbra. Fire resistance tests were carried out with two different column cross-sections, two ori- entations of the inertia axis in relation to the fire and two thicknesses of the building walls [3].", "mime": "application/pdf"}, {"id": "ap-1079", "words": "2383", "extension": ".pdf", "flesch": "56", "author": "Law, A.; Gillie, M.; Pankaj, P.", "title": "Incorporation of Load Induced Thermal Strain in Finite Element Models", "date": "2009", "keywords": "modulus; plastic; strains; \ufffd \ufffd", "summary": "1: Plastic flow, and model setup constituents are irrecoverable [5], i.e. they are plastic strains. This means that plastic strains are induced in directions other than the one in which the load is applied.", "mime": "application/pdf"}, {"id": "ap-1081", "words": "2997", "extension": ".pdf", "flesch": "55", "author": "Rahmanian, I.; Wang, Y.", "title": "Thermal Conductivity of Gypsum at High Temperatures \u2013 A Combined Experimental and Numerical Approach", "date": "2009", "keywords": "conductivity; gypsum; temperature; \ufffd \ufffd", "summary": "For a boundary node, when subjected to convective and radiative boundary conditions (Fig. 2): \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdT F T h x k T F h x k T1 0 2 1 0 1 12 1 2 1 \ufffd \ufffd \ufffd \ufffd \ufffdE T T t c x \ufffd \ufffd ( ) ( ) ,\ufffd \ufffd \ufffd273 273 24 1 4 \ufffd \ufffd (6) where F0 is F k t c x 0 1 2\ufffd \ufffd \ufffd\ufffd ( ) , h(T) is convection heat transfer coefficient (W/m2 \u00b0C), T\ufffd is the ambient temperature (\u00b0C), \ufffd is a geometric \u201cview factor\u201d, E is the effective emissivity, \ufffd is Stefan-Boltzmann constant (5.67\u00d710 8 W/m2 K4). ( )d free (J/kg \u00b0C), (8) where \ufffd c is the average additional specific heat, ed is the dehydration water content (percentage by total weight), efree is the free water content (percentage by total weight), \ufffdT is the temperature interval, f1, f2 are correction factors to account for the heat of reactions and effects of water movement.", "mime": "application/pdf"}, {"id": "ap-1083", "words": "3390", "extension": ".pdf", "flesch": "57", "author": "Crosti, C.", "title": "Structural Analysis of Steel Structures under Fire Loading", "date": "2009", "keywords": "fig; fire; scenario; structure", "summary": "By means of non linear analyses, it was possible to include considerations of structural fire resistance, and also to figure out how some elements, such as the columns, are fundamen- tal for the stability of the whole structure. We can conclude that, in performance fire analyses, the global behavior of the struc- ture is more important than a study of the individual elements composing the structure.", "mime": "application/pdf"}, {"id": "ap-1085", "words": "2740", "extension": ".pdf", "flesch": "61", "author": "Santos, S. O.; Rodrigues, J. P. C.; Toledo, R.; Velasco, R. V.", "title": "Compressive behaviour at High Temperatures of Fibre Reinforced Concretes", "date": "2009", "keywords": "concrete; fibers; specimens; temperatures", "summary": "A Portuguese study and a Brazilian study are described, which were carried out to develop fiber concrete compositions with better fire behavior. Five type K thermocouples (Cromo-Alumel) 0.5 mm in di- ameter were placed within the specimen and on its surface to measure the temperature during high temperatures tests.", "mime": "application/pdf"}, {"id": "ap-1087", "words": "3181", "extension": ".pdf", "flesch": "60", "author": "Klingsch, E.; Frangi, A.; Fontana, M.", "title": "Experimental Analysis of Concrete Strength at High Temperatures and after Cooling", "date": "2009", "keywords": "cement; concrete; strength; temperature", "summary": "[6] EN 12390-2:2008; Testing hardened concrete \u2013 Part 2: Making and curing specimens for strength tests. This ef- fect increases with increasing maximum temperature and lower cooling temperatures, respectively.", "mime": "application/pdf"}, {"id": "ap-1089", "words": "2544", "extension": ".pdf", "flesch": "57", "author": "Espin\u00f3s, A.; Hospitaler, A.; Romero, M. L.", "title": "Fire Resistance of Axially Loaded Slender Concrete Filled Steel Tubular Columns \u2013 Development of a Three-Dimensional Numerical Model and Comparison with Eurocode 4", "date": "2009", "keywords": "concrete; fire; model; resistance; steel", "summary": "The results of the simulations were compared with a series of fire resistance tests available in the literature [11], as well as with the predictions of the Eurocode 4 [6] simplified calculation model. This model was validated by comparing the simulation results with fire resistance tests carried out by other researchers, as well as with the predictions of the Eurocode 4 simplified calculation model.", "mime": "application/pdf"}, {"id": "ap-1091", "words": "5977", "extension": ".pdf", "flesch": "65", "author": "Schneider, U.; Schneider, M.; Franssen, J.-M.", "title": "Calculation of a Tunnel Cross Section Subjected to Fire \u2013 with a New Advanced Transient Concrete Model for Reinforced Structures", "date": "2009", "keywords": "atcm; beam; calculation; concrete; ec2; fig; load; model; strain; stress; time", "summary": "12 we come to the conclusion that EC2 Model simulations do not give a good approxima- tion of the measured values. 5: Comparison of measured and calculated total strains under an applied load function according to Fig. 4 2.2.2 Results of measurements and calculations of total strains with an ATCM and EC2 Model The calculation is done with different load functions dur- ing heating.", "mime": "application/pdf"}, {"id": "ap-1093", "words": "9475", "extension": ".pdf", "flesch": "62", "author": "Song, Y.; Huang, Z.; Burgess, I.; Plank, R.", "title": "A New Design Method for Industrial Portal Frames in Fire", "date": "2009", "keywords": "atcm; beam; calculation; concrete; ec2; fig; fire; frame; load; mechanism; model; phase; strain; time", "summary": "It is therefore convenient to write for the pure mechanical strain: \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdm el pl tr tot th\ufffd \ufffd \ufffd \ufffd \ufffd . It is generally agreed that the total strain \ufffdtot comprises the following parts: \ufffd \ufffd \ufffd \ufffd \ufffdtot", "mime": "application/pdf"}, {"id": "ap-1095", "words": "3801", "extension": ".pdf", "flesch": "60", "author": "Mesquita, L. M. R.; Piloto, P. A. G.; Vaz, M. A. P.; Pinto, T. M. G.", "title": "Decomposition of Intumescent Coatings: Comparison between a Numerical Method and Experimental Results", "date": "2009", "keywords": "fig; heat; mass; steel; \ufffd k; \ufffd m; \ufffd \ufffd", "summary": "The gas mass flux, \ufffd \ufffd\ufffdmg, is calculated accordingly to Darcy\u2019s law and it is assumed that the gases present in the in- tumescent material behave as a perfect gas. At the moving front, the boundary conditions are: k T x q T T h T T T s t t T k r a av p \ufffd \ufffd \ufffd \ufffd\ufffd\ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd ( ) ( ) ( ( ), ) ,4 4 c for v p \ufffd \ufffd \ufffd \ufffd T x k T x Q T s t t TH\ufffd \ufffd \ufffd \ufffdc for ( ( ), ) , (6) in which QH is the heat flux due to the endothermic decom- position of the virgin material, given by Q h s tH \ufffd \ufffd p v\ufffd \ufffd( ), where hp represents the decomposition enthalpy.", "mime": "application/pdf"}, {"id": "ap-1097", "words": "2622", "extension": ".pdf", "flesch": "63", "author": "Pada, D.", "title": "Simulation and Study of Natural Fire in a Wide-Framed Multipurpose Hall with Steel Roof Trusses", "date": "2009", "keywords": "design; fire; roof; stand; temperature", "summary": "3 presents the RHR curve for the spectator stand design fire. 4.4 Data measured The most important data measured during the fire simu- lation, from the point of view of structural fire safety design, was the adiabatic surface temperature every 5 m of the bottom chord of the steel roof trusses situated above and near to the fire.", "mime": "application/pdf"}, {"id": "ap-1099", "words": "3357", "extension": ".pdf", "flesch": "57", "author": "Anderson, K.; Gillie, M.", "title": "Investigation into Methods for Predicting Connection Temperatures", "date": "2009", "keywords": "connection; method; plate; results; temperatures; \ufffd \ufffd", "summary": "This paper examines two current methods available for predicting connection temperatures as defined in Eurocode A 3D finite element model is also created to predict connection temperatures using the commercial software package Abaqus", "mime": "application/pdf"}, {"id": "ap-1101", "words": "2609", "extension": ".pdf", "flesch": "65", "author": "Chlouba, J.; Wald, F.", "title": "Connection Temperatures during the Mokrsko Fire Test", "date": "2009", "keywords": "beam; connection; fig; fire; temperature", "summary": "Keywords: Fire test, FE simulation, fire safe connection, temperature prediction, Angelina beam, compartment fire. [3] Kallerov\u00e1, P., Wald, F.: Ostrava fire test, Czech Technical University in Prague, CIDEAS report No. 3-2-2-4/2, p. 18, www.cideas.cz.", "mime": "application/pdf"}, {"id": "ap-1103", "words": "3354", "extension": ".pdf", "flesch": "62", "author": "Kallerov\u00e1, P.; Wald, F.; Sokol, Z.", "title": "Connections of Trapezoidal Sheets under Fire", "date": "2009", "keywords": "fig; fire; sheet; temperature", "summary": "In test set C, trapezoidal sheets with measured thickness 0.75 mm, width 75 mm and length 500 mm were tested. The temperatures of the connection were measured by a thermocouple attached to the steel sheet close 82 \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ Acta Polytechnica Vol. 49 No. 1/2009 Connections of Trapezoidal Sheets under Fire P. Kallerov\u00e1, F. Wald, Z. Sokol This paper describes two different experiments on connections of trapezoidal sheets under elevated temperatures.", "mime": "application/pdf"}, {"id": "ap-1105", "words": "4428", "extension": ".pdf", "flesch": "51", "author": "Rajnoha, J.", "title": "Multi-Condition Training for Unknown Environment Adaptation in Robust ASR Under Real Conditions", "date": "2009", "keywords": "adaptation; conditions; cs0 cs1; data; models; multi; noise; recognition; speech; training", "summary": "The decrease by 29 % and 14 % in word error rate in comparison with clean speech training data was achieved for the non-adapted and adapted system, respectively. 20 50 100 200 500 1000 all time 65 s 2.8 min 5.7 min 10.9 min 26.9 min 57.2 min 7.8 h Table 3: Average amount of speech data for limited adaptation subsets ALL OFFICE CAR CLEAN NOISY HISNR LOSNR AVG avg avg CS0 CS1 CS0 CS1 CS0 CS1 CS0 CS1 CS0 CS1 CS0 CS1 CS0 CS1 CS0 CS1 noSS 8.32 14.72 3.47 8.14 7.03 35.17 4.0 11.07 13.09 18.79 7.03 10.2 11.88 17.65 12.18 7.83 16.53 SS 8.46 13.53 4.17 8.01 5.2 29.97 4.45 9.82 11.31 16.56 6.83 9.41 11.76 16.31 11.13 7.45 14.8 Imp. \ufffd1.68 8.08 \ufffd20.17 1.6 26.03 14.79 \ufffd11.25 11.29 13.6 11.87 2.84 7.75 1.01 7.59 8.66 4.82 10.48 Table 4: WER for different environmental conditions w/o and with ESS in front-end processing.", "mime": "application/pdf"}, {"id": "ap-1107", "words": "5472", "extension": ".pdf", "flesch": "62", "author": "Hekrdla, M.", "title": "A Constellation Space Dimensionality Reduced Sub-Optimal Receiver for Orthogonal STBC CPM Modulation in a MIMO Channel", "date": "2009", "keywords": "b \ufffd; cpm; d \ufffd; h \ufffd; l \ufffd; s t; s \ufffd; space; t t; vn \ufffd; \ufffd \ufffd", "summary": "The physically distinguishable phase is due to the harmonic func- tion periodicity taken \ufffd \ufffd \ufffd\ufffd ( ) mod2 . The information-car- rying tilted phase is \ufffd \ufffd \ufffd( , ) ( , ) ( )t t h M Tsd d\ufffd \ufffd \ufffd1 1 , where\ufffd( , )t d is the original classic CPM phase.", "mime": "application/pdf"}, {"id": "ap-1109", "words": "4419", "extension": ".pdf", "flesch": "51", "author": "Gross, S.; Kollenbrandt, M.", "title": "Technical Evolution of Medical Endoscopy", "date": "2009", "keywords": "body; camera; endoscopy; field; images; imaging; light; medical; section; technical; video; vol", "summary": "8 Computer-based image processing in medical endoscopy Image processing is a crucial part of the efforts to increase the quality and significance of medical images. The increased significance of endoscopic images by means of image processing is the topic of section 8.", "mime": "application/pdf"}, {"id": "ap-1111", "words": "5177", "extension": ".pdf", "flesch": "63", "author": "Bolom, V.", "title": "Noise Reduction in Car Speech", "date": "2009", "keywords": "car; fig; input; interference; j t; noise; signal; speech; t \ufffd; \ufffd \ufffd", "summary": "Under these assumptions it holds \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd xs j T sx j T ss j i M i M M M X e X e\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd\ufffd2 1 11 1 , (12) \ufffd ( ) ( ) ,\ufffd \ufffd \ufffd xx", "mime": "application/pdf"}, {"id": "ap-1113", "words": "5807", "extension": ".pdf", "flesch": "66", "author": "Flouri, T.", "title": "On Tree Pattern Matching by Pushdown Automata", "date": "2009", "keywords": "automaton; pattern; prefix; pushdown; s \ufffd; tree; \ufffd \ufffd", "summary": "\ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd (2) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd 3 A Deterministic Pushdown Automaton accepting trees in prefix notation The prefix notation of a tree can be generated by a gram- mar G N T P S\ufffd ( , , , ), having rules P of the following form: (1)S a\ufffd 0 (2)S a S\ufffd 1 (3)S a SS\ufffd 2 \u2026 (n)S a Sn n \ufffd \ufffd \ufffd 1 1 30 \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ Acta Polytechnica Vol. 49 No. 2\u20133/2009 Since the grammar is LR(0), belonging to the subclass of context-free grammars named as deterministic context free grammars, the generated language belongs to the class of de- terministic context-free languages and can be recognised by a de- terministic pushdown automaton.", "mime": "application/pdf"}, {"id": "ap-1115", "words": "5777", "extension": ".pdf", "flesch": "49", "author": "Meiwes, H.", "title": "Technical and Economic Assessment of Storage Technologies for Power-Supply Grids", "date": "2009", "keywords": "applications; batteries; battery; caes; costs; efficiency; energy; grid; power; range; storage; systems; technologies; technology", "summary": "A comprehensive overview of storage technologies as well as possible applications and business cases for storage systems is presented. In this situation the operation of energy storage systems can help to allow a higher amount of renewable energy sources (RES) by stabilizing the grid and finally decreasing the consumption of fossil fuels.", "mime": "application/pdf"}, {"id": "ap-1117", "words": "2762", "extension": ".pdf", "flesch": "56", "author": "Janda, J.", "title": "Age Dependence of Children\u2019s Speech Parameters", "date": "2009", "keywords": "age; centre; spectrum; speech", "summary": "The above-mentioned spectral characteristics of sibilant consonants were measured for consonants /s/, /ss/ and /cc/. Significant features were especially the rise in the spectral cen- tre of gravity (r \ufffd 0 45. , p \ufffd 0001. , n \ufffd193) (Fig. 3, 4) and the reduction in spectral skewness (r \ufffd \ufffd0 47. , p \ufffd 0001. , n \ufffd193) (Fig. 2) at consonant /s/ (p \ufffd 0001. , n \ufffd193) and F2 had r \ufffd \ufffd034.", "mime": "application/pdf"}, {"id": "ap-1119", "words": "2678", "extension": ".pdf", "flesch": "49", "author": "Cingro\u0161, F.; Hron, T.", "title": "Working Fluid Quantity Effect on Magnetic Field Control of Heat Pipes", "date": "2009", "keywords": "field; fluid; heat; mpa; pipe; temperature", "summary": "Keywords: Heat pipes, magnetic field, variable conductance, oxygen, cryogenic. Fig. Heat pipes are commonly used for cooling and heat transport in electronic devices, techno- logical processes and in many other types of equipment.", "mime": "application/pdf"}, {"id": "ap-1121", "words": "2933", "extension": ".pdf", "flesch": "50", "author": "Chvalina, M.", "title": "Demand Modelling in Telecommunications", "date": "2009", "keywords": "demand; series; t t; t \ufffd; time; y y; \ufffd \ufffd", "summary": "i i \ufffd \ufffd \ufffd \ufffd 0 because \ufffd \ufffd( )1 1 0 \ufffd \ufffd \ufffd \ufffd \ufffd i applies to the mean value and dispersion E y E yt t( \ufffd ) ( )\ufffd \ufffd \ufffd0, D yt a y( \ufffd ) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 2 2 2 2. 48 \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ Acta Polytechnica Vol. 49 No. 2\u20133/2009 Demand Modelling in Telecommunications Comparison of Standard Statistical Methods and Approaches Based upon Artificial Intelligence Methods Including Neural Networks M. Chvalina This article analyses the existing possibilities for using Standard Statistical Methods and Artificial Intelligence Methods for a short-term forecast and simulation of demand in the field of telecommunications. Network signal propagation: V g h g w Vi l i l ij l j l k \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd( ) 1 . 4.", "mime": "application/pdf"}, {"id": "ap-1123", "words": "3430", "extension": ".pdf", "flesch": "55", "author": "Nevrkla, M.", "title": "Capillary Discharge XUV Radiation Source", "date": "2009", "keywords": "capillary; charging; coil; current; discharge; fig; voltage; \ufffd \ufffd", "summary": "The electric strength E field picture in the region of E \ufffd \ufffd( . . ) These states appear in plasma with a electron temperature of Te ~ 100 eV. Such hot plasma with sufficient electron density Ne > 1017 cm\ufffd3 is created by radial compression of a plasma column by the Lorentz force FL of a magnetic field B of flowing current I \u2013 a Z-pinch.", "mime": "application/pdf"}, {"id": "ap-1125", "words": "4091", "extension": ".pdf", "flesch": "54", "author": "Havelka, D.; Cifra, M.", "title": "Calculation of the Electromagnetic Field Around a Microtubule", "date": "2009", "keywords": "dipole; electric; emf; field; fig; phase; vol; \ufffd \ufffd", "summary": "The size of the dipole moment was defined by the function: pp p n\ufffd \ufffd \ufffdsin( )2\ufffd , (17) where n is the value of the matrix element corresponding to a certain heterodimer, and for p see Table 2. 3.3 Depiction of the direction and magnitude of the electric field The size of the electric field (EF) was drawn by function surf, see e.g. Fig. 6. [nm] 2 \ufffd4.92 3 \ufffd1.84 4 \ufffd6.76 5 \ufffd3.68 6 \ufffd0.6 7 2.48 8 \ufffd2.44 9 0.64 10 \ufffd4.28 11 \ufffd1.2 12 \ufffd6.12 13 \ufffd3.04 Table 1: Longitudinal shift of PT in the A-lattice Dipole moment: p \ufffd \ufffd10 26 Cm (1000 Debye)", "mime": "application/pdf"}, {"id": "ap-1127", "words": "3045", "extension": ".pdf", "flesch": "54", "author": "Bauer, J.", "title": "Development of a Compact Matrix Converter", "date": "2009", "keywords": "board; converter; fig; filter; frequency; matrix; power; switching", "summary": "Keywords: Matrix converter, direct frequency converter, filter design. Matrix converters belong to the category of direct frequency converters.", "mime": "application/pdf"}, {"id": "ap-1129", "words": "2672", "extension": ".pdf", "flesch": "52", "author": "Ma\u0161ek, P.", "title": "A New Buck-Boost Converter for a Hybrid-Electric Drive Stand", "date": "2009", "keywords": "converter; engine; power; splitter; stand; voltage", "summary": "<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> /SVE <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> /TUR <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> /UKR <FEFF04120438043a043e0440043804410442043e043204430439044204350020044604560020043f043004400430043c043504420440043800200434043b044f0020044104420432043e04400435043d043d044f00200434043e043a0443043c0435043d044204560432002000410064006f006200650020005000440046002c0020044f043a04560020043d04300439043a04400430044904350020043f045604340445043e0434044f0442044c00200434043b044f0020043204380441043e043a043e044f043a04560441043d043e0433043e0020043f0435044004350434043404400443043a043e0432043e0433043e0020043404400443043a0443002e00200020042104420432043e04400435043d045600200434043e043a0443043c0435043d0442043800200050004400460020043c043e0436043d04300020043204560434043a0440043804420438002004430020004100630072006f006200610074002004420430002000410064006f00620065002000520065006100640065007200200035002e0030002004300431043e0020043f04560437043d04560448043e04570020043204350440044104560457002e> /ENU (Use these settings to create Adobe PDF documents best suited for high-quality prepress printing. (Za stvaranje Adobe PDF dokumenata najpogodnijih za visokokvalitetni ispis prije tiskanja koristite ove postavke.", "mime": "application/pdf"}, {"id": "ap-1131", "words": "3584", "extension": ".pdf", "flesch": "56", "author": "Adamec, M.", "title": "Transformation of Commercial Flows into Physical Flows of Electricity \u2013 Flow Based Method", "date": "2009", "keywords": "efficiency; fig; network; power; recycling; signal; \ufffd \ufffd", "summary": "The baseband representation of the signal is then after the DSP the resulting LINC signals can be written as S t Va t k t t1 1 2 ( ) ( ) exp( ( ) ( ))\ufffd \ufffd\ufffd \ufffd , (3) S t Va t k t t2 1 2 ( ) ( ) exp( ( ) ( ))\ufffd \ufffd\ufffd \ufffd . Theory The baseband source signal of CLIER S(t) can be written as S t a t e j t( ) ( ) ( )\ufffd \ufffd , a t( ) ,\ufffd 0 (1) where a(t) is the envelope of the baseband input signal and ej\ufffd(t) describes the phase of the baseband input signal.", "mime": "application/pdf"}, {"id": "ap-1133", "words": "3584", "extension": ".pdf", "flesch": "56", "author": "Wang, F.; Koch, O.", "title": "Implementation of a Power Combining Network for a 2.45 GHz Transmitter Combining LINC and EER", "date": "2009", "keywords": "efficiency; fig; network; power; recycling; signal; \ufffd \ufffd", "summary": "The baseband representation of the signal is then after the DSP the resulting LINC signals can be written as S t Va t k t t1 1 2 ( ) ( ) exp( ( ) ( ))\ufffd \ufffd\ufffd \ufffd , (3) S t Va t k t t2 1 2 ( ) ( ) exp( ( ) ( ))\ufffd \ufffd\ufffd \ufffd . Theory The baseband source signal of CLIER S(t) can be written as S t a t e j t( ) ( ) ( )\ufffd \ufffd , a t( ) ,\ufffd 0 (1) where a(t) is the envelope of the baseband input signal and ej\ufffd(t) describes the phase of the baseband input signal.", "mime": "application/pdf"}, {"id": "ap-1135", "words": "2597", "extension": ".pdf", "flesch": "48", "author": "Frydry\u0161kov\u00e1, J.", "title": "Importance of Peaceful Utilization of Nuclear Energy", "date": "2009", "keywords": "adobe; bomb; energy; institute; new; nuclear; prague; research; soviet", "summary": "These events also influenced the establishment of research on nuclear energy in Czechoslovakia, and 1955 was the year when the USSR, motivated by political and power aims, offered to provide scientific and technical support for a scien- tific institute for nuclear research to design reconstruction a nuclear reactor. The IAEA was created in response to the deep fears and great expectations resulting from the discovery of nuclear energy, fears and expectations that have changed profoundly since 1945 and continue to fluctuate.", "mime": "application/pdf"}, {"id": "ap-1137", "words": "3219", "extension": ".pdf", "flesch": "53", "author": "Dirix, M.; Koch, O.", "title": "2.45 GHz Class E Power Amplifier for a Transmitter Combining LINC and EER", "date": "2009", "keywords": "amplifier; class; current; fig; output; power; switch; voltage; \ufffd \ufffd", "summary": "I I t I ts DC R R( ) sin( ) sin( ) sin( )\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd . The current can be described as i t I tR R( ) sin( )\ufffd \ufffd \ufffd\ufffd \ufffd .", "mime": "application/pdf"}, {"id": "ap-1139", "words": "1028", "extension": ".pdf", "flesch": "67", "author": "Bro\u017e, J.; Rieger, F.", "title": "Mixing Suspensions in Tall Vessels with a Draught Tube", "date": "2010", "keywords": "fig", "summary": "The power number at the speed necessary to initiate particle suspension Pop does not differ significantly from the power number at the speed necessary to keep a particle in suspension Pok, and its mean value is Po \ufffd \ufffd163 007. . . 2 Modifications to a draught tube for particle suspension The main disadvantage of this arrangement is that parti- cle suspension is difficult after mixing has been interrupted.", "mime": "application/pdf"}, {"id": "ap-1141", "words": "1804", "extension": ".pdf", "flesch": "65", "author": "Ku\u010dera, O.", "title": "Self Heating of an Atomic Force Microscope", "date": "2010", "keywords": "afm; force; noise", "summary": "4: An example of pure contact noise superimposed on the drift of PSPD voltage. Although, tools that protect AFM against external noise have been developed and are widely used, there are still many sources of inherent noise.", "mime": "application/pdf"}, {"id": "ap-1143", "words": "733", "extension": ".pdf", "flesch": "56", "author": "Ficker, T.", "title": "A Note on the Population Statistics of Electron Avalanches and Streamers", "date": "2010", "keywords": "\ufffd \ufffd", "summary": "The quantity g in Fig. 2 seem- ingly has a similar purpose as a normalization constant, i.e. w u g f U( ) ( )\ufffd \ufffd , but instead of the normalization correction it represents a \u2018shift\u2019 between unnormalized data and the unnormalized distribution function F(u). Keywords: Population statistics, electron avalanches, fractal statistical pattern, ultraviolet data.", "mime": "application/pdf"}, {"id": "ap-1145", "words": "2953", "extension": ".pdf", "flesch": "66", "author": "H\u00e1jek, J.", "title": "Adaptation of an Evolutionary Algorithm in Modeling Electric Circuits", "date": "2010", "keywords": "algorithm; population; \ufffd \ufffd", "summary": "Another strategy, known as DE/best, generates mutation vec- tor u as follows: u \ufffd \ufffd \ufffdx F r rmin ( )1 2 . \ufffd \ufffd , (8) L L f R N N 1 12norm \ufffd \ufffd .", "mime": "application/pdf"}, {"id": "ap-1147", "words": "2292", "extension": ".pdf", "flesch": "64", "author": "Vyroubal, J.", "title": "Using the Spindle Cooling Temperature as a Tool for Compensating the Thermal Deformation of Machines", "date": "2010", "keywords": "deformation; machine; sensors; spindle", "summary": "This delay can cancel the thermal compensation of machine deformation. In terms of heat generation, the spindle is the major source of heat, and its thermal deformation is a ma- jor cause of overall machine deformation.", "mime": "application/pdf"}, {"id": "ap-1149", "words": "4511", "extension": ".pdf", "flesch": "64", "author": "Ve\u010de\u0159, P.; Kreidl, M.; \u0160m\u00edd, R.", "title": "Gearbox Condition Monitoring Using Advanced Classifiers", "date": "2010", "keywords": "anfis; data; gearbox; gearboxes; input; layer; som; technical; vector; \ufffd \ufffd", "summary": "Layer 2: This layer simply multiplies the incoming member- ship values according to a node function: \ufffd \ufffd \ufffdi x y\ufffd A B( ) ( ), (5) where \ufffdA represents the degree to which given x satisfies the quantifier Ai, 24 \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ Acta Polytechnica Vol. 50 No. 1/2010 knowledge-rule fuzzifier defuzzifier fuzzy inference engineinput output (crisp)(crisp) Fig. [12]: \ufffd \ufffdd x t w tj i ij i N \ufffd \ufffd \ufffd \ufffd \ufffd ( ) ( ) 2 0 1 , (1) where xi is the i-th element of input vector x in time t, wij is the i-th value of the weight vector for the j-th output neuron in time t.", "mime": "application/pdf"}, {"id": "ap-1151", "words": "3611", "extension": ".pdf", "flesch": "50", "author": "Mockov\u00e1, D.", "title": "Allocation and Location of Transport Logistics Centres", "date": "2010", "keywords": "criteria; decision; evaluation; making; options; problem", "summary": "The difficulty of multiple criteria evaluation tasks results not only from the number of evaluation criteria, but also from how these criteria are expressed and from the degree which they are dependent on their nature in various units of measurement. 1.3 Multiple criteria decision making Multiple criteria decision making involves modeling deci- sion-making situations containing a defined set of options and a set of criteria according to which the options will be evaluated.", "mime": "application/pdf"}, {"id": "ap-1153", "words": "2275", "extension": ".pdf", "flesch": "62", "author": "Pfof, Z.; Vacul\u00edk, P.", "title": "Ultracapacitors Utilization for Automotive Applications", "date": "2010", "keywords": "converter; power; switching; ultracapacitors; voltage", "summary": "The ultracapacitor also has other advantages \u2013 it is capable of very fast charges and dis- charges, a millions of cycles without degradation, extremely low internal resistance or ESR, high output power, etc. Ultracapacitors cannot yet be used as a primary power source in automotive applications. Power losses of hard-switching vs. soft-switching Hard-switching is very widely used for power inverters, whereas soft-switching is used only in high frequency applications.", "mime": "application/pdf"}, {"id": "ap-1155", "words": "4436", "extension": ".pdf", "flesch": "59", "author": "Ficker, T.", "title": "Statistical Distributions of Electron Avalanches and Streamers", "date": "2010", "keywords": "avalanches; statistics; vol; \ufffd \ufffd", "summary": "As a consequence of this condition, one can find J dmax \ufffd \ufffd \ufffd\ufffd 1 0and, in addition, N d\ufffd \ufffdexp( exp( )\ufffd \ufffd\ufffd . Assuming linear proportionality u c n\ufffd \ufffd , the curve w u c u D 1 0 1( ) ( )\ufffd \ufffd \ufffd \ufffd will preserve the same shape as w n1( ), i.e. they will both possess the same slope\ufffd \ufffd( )1 D .", "mime": "application/pdf"}, {"id": "ap-1157", "words": "3070", "extension": ".pdf", "flesch": "57", "author": "Van\u011b\u010dek, D.; Klement, V.", "title": "Electronic Education at the Faculty of Nuclear Sciences and Physical Engineering", "date": "2010", "keywords": "education; faculty; internet; learning; students; support", "summary": "The next milestone of e-learning was during the period of 1984 and 1993. First attempts to introduce e-learning appeared around the year 1999, and since then the number of projects dealing with this topic is increasing.", "mime": "application/pdf"}, {"id": "ap-1159", "words": "3732", "extension": ".pdf", "flesch": "51", "author": "Amann, W.", "title": "New Policies to Facilitate Affordable Housing in Central and Eastern Europe", "date": "2010", "keywords": "affordable; amann; construction; countries; financing; housing; market; ppp; rental", "summary": "Keywords: affordable housing, housing law, housing construction, CEE countries, Romania. and landlords, a Condominium Law, a Housing Manage- ment and Maintenance Law that covers all regulations in the field of housing operation, administration, accounting, main- tenance and refurbishment, and a Housing Subsidy Law that defines the legal basis for all activities of the state in (co-)financing housing construction, refurbishment, housing benefits and related activities. 3 Structured financing for PPP housing PPP housing legislation has been described as a strategy leading toward the establishment of a new business sector, targeting at affordable housing, particularly rental housing (UNECE 2005a, Lux 2006, Chiquier/Lea 2009).", "mime": "application/pdf"}, {"id": "ap-1161", "words": "1818", "extension": ".pdf", "flesch": "57", "author": "Frank, H.", "title": "Differences Between Doped and Undoped Zirconium Alloy Oxide Layers", "date": "2010", "keywords": "fig; samples; temperature", "summary": "At lower temperatures, the samples had normal I-V characteristics of the form of eq. 1 with space-charge limited currents, which tended to become linear at higher temperatures. 7: Equal temperature dependence of mobility in both samples Fig. 8: Equal temperature dependence of carrier concentra- tion in both samples energy.", "mime": "application/pdf"}, {"id": "ap-1163", "words": "4344", "extension": ".pdf", "flesch": "56", "author": "Granja, C.; Linhart, V.; Platkevi\u010d, M.; Jak\u016fbek, J.; Krousk\u00fd, E.; Posp\u00ed\u0161il, S.; Renner, O.; Slav\u00ed\u010dek, T.", "title": "Active Detectors for Plasma Soft X-Ray Detection at PALS", "date": "2010", "keywords": "detector; energy; figure; laser; physics; plasma; prague; radiation; shield; target", "summary": "Two types of detector systems have been adapted for this purpose: hybrid semiconductor pixel detectors, and fast scintillating detectors. Fig. 4: BaF2 detector with lead (Pb), Aluminum (Al) and Polyethylene (PE) shield Fig. 5: Shield assembly for BaF2 detector with lead (Pb), Aluminum (Al) and Polyethylene (PE) segments.", "mime": "application/pdf"}, {"id": "ap-1165", "words": "3869", "extension": ".pdf", "flesch": "57", "author": "\u0160ulc, R.; Sva\u010dina, O.", "title": "Flock Growth Kinetics for Flocculation in an Agitated Tank", "date": "2010", "keywords": "correlation; dimension; flocculation; flock; fractal; kinetics; model; size; time", "summary": "Using the statistical hypothesis test, the fractal dimension was found to be independent of flocculation time, and the value Df2 = 1.442\u00b1 0.125 was determined as the average value for the given conditions. For flocculation taking place in an agitated tank, \u0160ulc and Ditl [2] recommend dimension- less flocculation time t\u2217F given by: t\u2217F = n \u00b7 tF (3) where tF is flocculation time, and n is impeller rota- tional speed.", "mime": "application/pdf"}, {"id": "ap-1167", "words": "4409", "extension": ".pdf", "flesch": "63", "author": "Zahradnick\u00fd, T.; L\u00f3rencz, R.", "title": "FPU-Supported Running Error Analysis", "date": "2010", "keywords": "analysis; double; error; precision; result; rounding; running", "summary": "Running error analysis and error bounds Running error analysis [6, 7] is a type of a-posteriori forward error analysis. No. 2/2010 FPU-Supported Running Error Analysis T. Zahradnicky\u0301, R. Lo\u0301rencz Abstract A-posteriori forward rounding error analyses tend to give sharper error estimates than a-priori ones, as they use actual data quantities.", "mime": "application/pdf"}, {"id": "ap-1169", "words": "4610", "extension": ".pdf", "flesch": "54", "author": "Cisek, J.", "title": "Injection and Combustion of RME with Water Emulsions in a Diesel Engine", "date": "2010", "keywords": "combustion; diesel; diesel fuel; emulsion; fig; fuel; injection; rme; water", "summary": "Diesel Fuel \u2013 standard diesel fuel, RME \u2013 rapeseed methyl ester, RME+10 % \u2013 emulsion 90 % RME+10 % water, RME+30 % \u2013 emulsion 70 % RME+30 % water Fig. 3: Fuel consumption Gh and specific fuel consumption ge at 1 600 rpm and BMEP=4 bar with different fuels Diesel Fuel \u2013 standard diesel fuel, RME \u2013 rapeseed methyl ester, RME+10 % \u2013 emulsion 90 % RME+10 % water, RME+30 % \u2013 emulsion 70 % RME+30 % water Fig. 4: Total efficiency at 1 600 rpm and BMEP=4 bar with different fuels The plot in Fig.", "mime": "application/pdf"}, {"id": "ap-1171", "words": "6066", "extension": ".pdf", "flesch": "60", "author": "Dost\u00e1l, M.; Petera, K.; Rieger, F.", "title": "Measurement of Heat Transfer Coefficients in an Agitated Vessel with Tube Baffles", "date": "2010", "keywords": "baffles; cooling; heat; heat transfer; heating; liquid; number; temperature; transfer; tube", "summary": "Keywords: heat transfer coefficients, agitated vessels, tube baffles. Dimensionless parameters are usually used to de- scribe the relation between heat transfer coefficients and other parameters, e.g. mixing intensity.", "mime": "application/pdf"}, {"id": "ap-1173", "words": "2670", "extension": ".pdf", "flesch": "52", "author": "Koller, J.", "title": "Treatment of Biogas for Use as Energy", "date": "2010", "keywords": "biogas; energy; fermentation; heat; plant; production; substrates", "summary": "Abstract The biogas generated in biogas plants offers significant potential for the production of energy from renewable energy sources. Biogas plants usually use co-generation units to generate electricity and heat.", "mime": "application/pdf"}, {"id": "ap-1175", "words": "4279", "extension": ".pdf", "flesch": "60", "author": "Sajbrt, V.; Rosol, M.; Ditl, P.", "title": "A Comparison of Distillery Stillage Disposal Methods", "date": "2010", "keywords": "costs; day; energy; eur; method; operating; production; stillage; total", "summary": "No. 2/2010 Table 3: All operating costs of the fertilizing process line Total cost \u2013 electric energy for centrifuge: 60 EUR/day 3.9 % Total cost \u2013 gas for evaporation: 1 120 EUR/day 73.2 % Total transport costs on the fields: 70 EUR/day 4.6 % Total neutralization costs: 170 EUR/day 11.1 % Total costs for pre-treatment of condensate from evaporation: 110 EUR/day 7.2 % TOTAL OPERATING COSTS: 1 530 EUR/day 100.0 % 13 EUR/m3 duce biogas and digestate). \u2022 1 kg of Ca(OH)2 for stillage neutralization costs 3.80 CZK (0.15 \ufffd).", "mime": "application/pdf"}, {"id": "ap-1177", "words": "3433", "extension": ".pdf", "flesch": "56", "author": "Zueva, G. A.; Padokhin, V. A.; Ditl, P.", "title": "Stochastic Models of Solid Particles Grinding", "date": "2010", "keywords": "device; distribution; markov; process; processes", "summary": "Mathematical models of disintegration kinetics are classified on the basis of the class of Markov process that they belong to. Keywords: Markov processes, grinding kinetics models, density of distribution.", "mime": "application/pdf"}, {"id": "ap-1179", "words": "4411", "extension": ".pdf", "flesch": "85", "author": "Azc\u00e1rraga, J. A. de; Izquierdo, J. M.", "title": "Topics on n-ary Algebraic Structures", "date": "2010", "keywords": "algebras; lie", "summary": "1 Introduction The Jacobi identity (JI) for Lie algebras g, [X, [Y, Z]]+ [Y, [Z, X ]] + These two identities show that the inner derivations adX associated with the fundamental ob- jects X generate (the ad map is not necessarily injec- tive) an ordinary Lie algebra, the Lie algebra associ- ated with the FA G. An important type of FAs, because of its rele- vance in physical applications where a scalar product is usually needed (as in the Bagger-Lambert-Gustavsson model in M-theory), is the class of metric Filippov al- gebras.", "mime": "application/pdf"}, {"id": "ap-1181", "words": "6321", "extension": ".pdf", "flesch": "71", "author": "Bandos, I. A.", "title": "On multiple M2-brane model(s) and its N=8 Superspace Formulation(s)", "date": "2010", "keywords": "action; algebra; blg; gauge; hep; model; sdiff3; spinor; superfield; superspace", "summary": "Here we speak in terms of the case with M \ufffd= N , which is terminologically simpler, but all our arguments clearly also apply for M = N . 8), and a Spin(8) 8s- plet of Majorana anticommuting Sl(2;R) spinor fields \u03c8A (A = 1, . . .", "mime": "application/pdf"}, {"id": "ap-1183", "words": "4382", "extension": ".pdf", "flesch": "75", "author": "Fedoruk, S.", "title": "Superconformal Calogero Models as a Gauged Matrix Mechanics", "date": "2010", "keywords": "action; calogero; gauge; phys; superconformal", "summary": "= 1 superconformal systems must possess N = 4 supersymmetry The hermitian n\u00d7n-matrix field Xb a(t), (Xb a) = Xa b , a, b = 1, . .", "mime": "application/pdf"}, {"id": "ap-1185", "words": "3989", "extension": ".pdf", "flesch": "73", "author": "Gazeau, J. P.; Baldiotti, M. C.; Gitman, D. M.", "title": "Coherent State Quantization and Moment Problem", "date": "2010", "keywords": "coherent; operator; quantization; states", "summary": "Let us introduce the centre-coordinate operators x\u030210 = x\u03021 \u2212 1 \u03bc\u03c9 P\u03022 , x\u030220 = x\u03022 + 1 \u03bc\u03c9 P\u03021 , (25) where \u03c9 = eB/\u03bc is the cyclotron frequency. The number operator N\u0302 = a\u0302\u2020a\u0302 is such that its spectrum is exactly N with eigenvectors en : N\u0302 |en\u3009 = n|en\u3009.", "mime": "application/pdf"}, {"id": "ap-1187", "words": "3821", "extension": ".pdf", "flesch": "64", "author": "Kerner, R.", "title": "Lorentz and SU(3) Groups Derived from Cubic Quark Algebra", "date": "2010", "keywords": "algebra; generators; indices; matrices; quark; space", "summary": "There is one drawback here, namely, the multi- plication does not close under the Z3-graded ternary commutator: one needs to form real and imaginary combinations of K and K\u0304 cubic matrices in order to make the corresponding ternary algebra complete. For \u03b1\u2032 = 1\u2032 the \u03c1-matrix on the right-hand side is \u03c11 \u2032 A\u2032B\u2032C\u2032 , which has only three components, \u03c11 \u2032 1\u20322\u20321\u2032 = 1, \u03c11 \u2032 2\u20321\u20321\u2032 = j2, \u03c11", "mime": "application/pdf"}, {"id": "ap-1189", "words": "4371", "extension": ".pdf", "flesch": "74", "author": "Mickelsson, J.", "title": "From Gauge Anomalies to Gerbes and Gerbal Representations: Group Cocycles in Quantum Theory", "date": "2010", "keywords": "algebra; cocycle; extension; gauge; group; lie; representation; theory", "summary": "Then we investigate how group cohomology of degree 3 comes from a prolongation problem for group extensions and we discuss its role in quantum field theory. In Section 3 we then explain how 3-cocycles come from a prolongation problem for group extensions.", "mime": "application/pdf"}, {"id": "ap-1191", "words": "4302", "extension": ".pdf", "flesch": "69", "author": "Sorokin, D.", "title": "Higher-Spin Triplet Fields and String Theory", "date": "2010", "keywords": "fields; formulation; gauge; phys; spin; string; theory; triplet", "summary": "In particular, I would like to discuss a sys- tem of higher spin fields which are called triplets. People have worked in this direction since the early years of String Theory, and this is how, for example, the system of higher spin triplet fields was first found [4].", "mime": "application/pdf"}, {"id": "ap-1193", "words": "5805", "extension": ".pdf", "flesch": "68", "author": "Todorov, I.", "title": "Gause Symmetry and Howe Duality in 4D Conformal Field Theory Models", "date": "2010", "keywords": "algebras; conformal; fields; group; infinite; lie; math; phys; space; theory", "summary": "Simple symmetries: Gen- eralizing conformal field theory, J. Math. Phys. B670 (2003) 373\u2013400; hep-th/0305200. 60 Acta Polytechnica Vol. 50 No. 3/2010 [35] Nikolov, N. M., Rehren, K.-H., Todorov, I. T.: Partial wave expansion and Wightman positiv- ity in conformal field theory, Nucl.", "mime": "application/pdf"}, {"id": "ap-1195", "words": "4522", "extension": ".pdf", "flesch": "60", "author": "Znojil, M.", "title": "Time-Dependent and/or Nonlocal Representations of Hilbert Spaces in Quantum Theory", "date": "2010", "keywords": "hilbert; models; phys; quantum; space; theory; vol; znojil", "summary": "Appendix A: Hilbert space in our present notation In our review paper Hilbert space H(F ).", "mime": "application/pdf"}, {"id": "ap-1197", "words": "973", "extension": ".pdf", "flesch": "48", "author": "Bi\u010d\u00e1k, J.", "title": "Gravitomagnetism (extended abstract)", "date": "2010", "keywords": "inertial; mach; principle", "summary": "In more recent papers [5, 6], we show that within General Relativity, any general statement of Mach\u2019s principle that attributes all dragging of inertial frames solely to the distribution of energy and momentum of matter as the origin of inertia is false: Gravitomagnetic effects are also caused by gravitational waves. One has to realize that the physical effects associated with Mach\u2019s ideas, e.g. the \u201cdragging of inertial frames\u201d (\u201cgravitomag- netic effects\u201d) have a global character and require spe- cial coordinate systems, special gauges.", "mime": "application/pdf"}, {"id": "ap-1199", "words": "3116", "extension": ".pdf", "flesch": "72", "author": "Caprini, I.; Fischer, J.; Vrko\u010d, I.", "title": "Asymptotic Power Series of Field Correlators", "date": "2010", "keywords": "function; lemma; phys", "summary": "[6] Caprini, I., Fischer, J., Vrkoc\u030c, I.: J. Phys. ap-3-10.dvi Acta Polytechnica Vol. 50 No. 3/2010 Asymptotic Power Series of Field Correlators I. Caprini, J. Fischer, I. Vrkoc\u030c", "mime": "application/pdf"}, {"id": "ap-1201", "words": "4154", "extension": ".pdf", "flesch": "60", "author": "Doebner, H.-D.", "title": "On Global and Nonlinear Symmetries in Quantum Mechanics", "date": "2010", "keywords": "differential; k(m; nonlinear; operators; quantum", "summary": "one obtains nonlinear differential operators DN through tangent maps with N \u2208 NG. A discussion of these relations is the topic of my paper: The global structure of the set {Q(M, K)} of quantizations of the kinematics in a Hilbert space H is connected with a nonlinear representation of a matrix group G which leads also to a quantization of other observables through nonlinear operators.", "mime": "application/pdf"}, {"id": "ap-1203", "words": "988", "extension": ".pdf", "flesch": "52", "author": "Engelen, J.", "title": "Physics on the Terascale (extended abstract)", "date": "2010", "keywords": "higgs; lhc; magnets", "summary": "In addition, the huge amounts of data of 15 PetaBytes per year required a new approach to com- puting: the now operational worldwide LHC comput- ing GRID (wLCG), also serving as a platform for ap- plications outside high energy physics. Moreover, experiments able to cope with the in- teraction rate at this energy needed new concepts in detector technology and on-line selection of poten- tially interesting events (\u2018triggering\u2019).", "mime": "application/pdf"}, {"id": "ap-1205", "words": "3102", "extension": ".pdf", "flesch": "65", "author": "Furlan, P.; Petkova, V. B.; Stanishkov, M.", "title": "A Finite Liouville Dress for c", "date": "2010", "keywords": "correlator; liouville", "summary": "= \u2212 4 sin\u03c0b ( \u03b21 \u2212 \u03c31 \u2212 \u03c32 + b 2 ) = \u03bb 1 2b (Q\u22122\u03b2) L Sb(2\u03b2 \u2212Q)\u220f s=\u00b1 Sb(\u03b2 + s(\u03c32 + \u03c31 \u2212Q))Sb(\u03b2 + s(\u03c32 \u2212 \u03c31)) , where Sb(\u03b1) = \u0393b(\u03b1)/\u0393b(Q\u2212 \u03b1)", "mime": "application/pdf"}, {"id": "ap-1207", "words": "3461", "extension": ".pdf", "flesch": "67", "author": "Ivanov, E.", "title": "M2-Branes in N = 3 Harmonic Superspace", "date": "2010", "keywords": "fields; gauge; hep; shell; superfield; theory", "summary": "It is the conjecture that the IIB superstring on AdS5\u00d7 S5 is in some sense dual to maximally super- symmetric N = 4, 4D super Yang-Mills (SYM) theory. (3.1) The gauge group acts as automorphisms of this alge- bra, gauge fields being still in the adjoint.", "mime": "application/pdf"}, {"id": "ap-1209", "words": "459", "extension": ".pdf", "flesch": "60", "author": "Jenni, P.", "title": "The ATLAS Experiment Entering into Operation: Overview, Motivation and Status of the Project (extended abstract)", "date": "2010", "keywords": "atlas; overview", "summary": "The ATLAS Collaboration, \u2018The ATLAS Experiment at the Large Hadron Collider\u2019, JINST 3 (2008), S08003. A general overview of ATLAS, one of the key exper- iments, has been given.", "mime": "application/pdf"}, {"id": "ap-1211", "words": "4180", "extension": ".pdf", "flesch": "71", "author": "Niederle, J.; Nikitin, A. G.; Kuriksha, O.", "title": "Maxwell-Chern-Simons Models: Their Symmetries, Exact Solutions and Non-relativistic Limits", "date": "2010", "keywords": "equations; field; invariant; lagrangian; model; solutions; system", "summary": "A particular solution has the following form: B1 = \u2212c1x2/\u03c9, B2 = c1x1/\u03c9, B3 = c3A 4, (37) E1 = c2x1/\u03c9, E2 = c2x2/\u03c9, E3 = c3, (38) F0 = F3 = 0, F\u03b1 = \u2207\u03b1A4, \u03b1 = 1, 2 (39) where A4 = c4J0(c3 \u221a k\u03c9) + c5Y0(c3 \u221a k\u03c9), J0 and Y0 are the Bessel functions of the first and second kind, respectively, c1, \u00b7 \u00b7 \u00b7 c5 are arbitrary parameters. T 002 = F 20 + F 2, T 0a2 = 1 2 F 0F a. (11)", "mime": "application/pdf"}, {"id": "ap-1213", "words": "5197", "extension": ".pdf", "flesch": "70", "author": "Schnabl, M.", "title": "Algebraic Solutions in Open String Field Theory \u2013 a Lightning Review", "date": "2010", "keywords": "field; space; string; theory", "summary": "a Lightning Review M. Schnabl Abstract In this short paper we review basic ideas of string field theory with the emphasis on the recent developments. What is string field theory?", "mime": "application/pdf"}, {"id": "ap-1215", "words": "3074", "extension": ".pdf", "flesch": "48", "author": "Sissakian, A.", "title": "The Science Policy of the Joint Institute for Nuclear Research", "date": "2010", "keywords": "activities; institute; jinr; member; nuclear; physics; programme; research; states", "summary": "Prime Minister of Czechia J. Paroubek congratu- lated the audience on the 50th anniversary of JINR and noted the great role of the Dubna international physics centre in founding and developing nuclear physics in all countries \u2013 JINR Member States, in- cluding Czechoslovakia and Czechia. JINR has a huge foundation based on three \u201cpillars\u201d: \u2022 great experience in nuclear physics research and the world-wide recognized traditions of its scien- tific schools \u2022 a large and unique park of basic facilities for fun- damental and applied research \u2022 the status of an international intergovernmental organization For over 50 years of JINR\u2019s existence, first-class theoretical and experimental research programmes im- plemented at JINR have led to a significant scientific output in fundamental nuclear science.", "mime": "application/pdf"}, {"id": "ap-1217", "words": "2539", "extension": ".pdf", "flesch": "68", "author": "Bauer, J.", "title": "Single Phase Voltage Source Inverter Photovoltaic Application", "date": "2010", "keywords": "control; current; fig; filter; output; voltage", "summary": "Keywords: voltage source inverter, L-C-L filter, hysteresis controller, pulse width modulation. Then the converter is supposed to generate output voltage with a sinusoidal shape, as in the supply network.", "mime": "application/pdf"}, {"id": "ap-1219", "words": "3994", "extension": ".pdf", "flesch": "60", "author": "Behrens, A.; R\u00f6llinger, H.", "title": "Analysis of Feature Point Distributions for Fast Image Mosaicking Algorithms", "date": "2010", "keywords": "distribution; feature; image; number; points; registration; set; tree", "summary": "However, in the case of small and sparse sets of feature points of fixed size, suitable for real-time image mosaicking algorithms, a uniform spatial feature distribution across the image becomes relevant. For this application, a fixed num- ber of feature points is required for real-time process- ing [14].", "mime": "application/pdf"}, {"id": "ap-1221", "words": "2898", "extension": ".pdf", "flesch": "61", "author": "Dirix, M.; Koch, O.", "title": "Conductivity Measurements of Silverpastes", "date": "2010", "keywords": "conducting; conductivity; conductor; dielectric; resonator; \ufffd quarter; \ufffd \ufffd", "summary": "3: Transmission measurement of the T-Resonator Structure Table 1: Electrical conductivity measurements using the T-resonator structure Sample \u03c3 50 No. 4/2010 Table 2: Electrical conductivity measurements using the dielectric resonator Sample \u03c3 [S/m] \u03c3 \u03c3 @1.6 GHz @2.1 GHz @2.7 GHz Copper 5.53E7 5.35E7 5.65E7 07120902 5.89E+006 5.61E+006 5.43E+006 07120910 5.35E+006 4.98E+006 5.50E+006 07120913 4.42E+006 4.35E+006 4.48E+006 07120914 4.45E+006 4.47E+006 4.73E+006 07120915 4.40E+006 4.63E+006 4.62E+006 07120916 4.35E+006 4.68E+006 4.63E+006 07120917 5.50E+006 5.72E+006 5.67E+006 07120918 5.50E+006 5.50E+006 5.50E+006 5 Conclusion A T-resonator structure for measuring electrical con- ductivity has been realised for 500 MHz and 1.5 GHz.", "mime": "application/pdf"}, {"id": "ap-1223", "words": "3487", "extension": ".pdf", "flesch": "75", "author": "Drnek, K.", "title": "Prague\u2019s Sewerage System in the 1930\u2019 and the General Sewerage Project (1933\u20131936)", "date": "2010", "keywords": "ing; plant; project; sewage; sludge; system", "summary": "1: Picture of the original \u201cM\u00e1slo-Douda\u201d project While the Douda-M\u00e1slo project was passing through the authorization procedures, Ing. Zika, the chief of Prague\u2019s sewers, introduced new projects to build sewage plants with biological purification either in \u0158e\u017e or on Imperial Island. [1] Kecl\u00edk, T.: The competition on a general project for new sewage plants for the capital city Prague.", "mime": "application/pdf"}, {"id": "ap-1225", "words": "3842", "extension": ".pdf", "flesch": "66", "author": "Faltin, P.; Behrens, A.", "title": "Projective 3D-reconstruction of Uncalibrated Endoscopic Images", "date": "2010", "keywords": "camera; correspondences; fig; geometry; image; reconstruction; view", "summary": "The concept is that the projection lines through the camera centers \ufffdC and \ufffdC \u2032 and the image points \ufffdx and \ufffdx \u2032 intersect in the 3D point \ufffdX , as shown in fig. The 3D-point \ufffdX is pro- jected onto the image planes, resulting in points \ufffdx and \ufffdx \u2032. The points \ufffde and \ufffde \u2032 are called epipoles, and they represent the projected camera centers on the image planes.", "mime": "application/pdf"}, {"id": "ap-1227", "words": "3810", "extension": ".pdf", "flesch": "69", "author": "Fikejz, F.", "title": "Subjective Evaluation of Audiovisual Signals", "date": "2010", "keywords": "combination; image; quality; samples; sound; subjects; test", "summary": "Younger people mostly give preference to music like sample no. 1, and they do not have much experi- ence with classical music and Gregorian chant. Keywords: subjective test, audiovisual signal quality, compression, JPEG, MP3.", "mime": "application/pdf"}, {"id": "ap-1229", "words": "3807", "extension": ".pdf", "flesch": "61", "author": "Grabowski, M.; Buchenauer, A.", "title": "Valve Concepts for Microfluidic Cell Handling", "date": "2010", "keywords": "cell; channel; fig; layer; microfluidic; type; valve", "summary": "To avoid the disadvantages of valve type 2, which are explained in detail in the results, we designed a subtype of this geometry. Figures 12, 13 and 14 show the simulation results for valve type 2.", "mime": "application/pdf"}, {"id": "ap-1231", "words": "2347", "extension": ".pdf", "flesch": "64", "author": "Hajn\u00fd, O.; Farka\u0161ov\u00e1, B.", "title": "A Study of Gait and Posture with the Use of Cyclograms", "date": "2010", "keywords": "angles; body; gait; human; knee; model", "summary": "Keywords: simulation, human body model, walking, artificial intelligence, gait angles, bilateral cyclograms. 1 Methods For a study of gait angles, we decided to use meth- ods based on measurements of the geometric proper- ties of bilateral cyclograms (also called angle-angle dia- grams).", "mime": "application/pdf"}, {"id": "ap-1233", "words": "2077", "extension": ".pdf", "flesch": "66", "author": "H\u00fcbner, J.", "title": "Capillary Discharge Parameter Assessment for X-ray Laser Pumping", "date": "2010", "keywords": "capillary; imax; maximum", "summary": "For each calculation, we listed the parameter data, information about the maximum value and the time of reaching gain, the pinch time (the time when the maximum of electron density Ne is reached). We will plot the curve for an individual quantity, such as electron density, electron temperature, inversion of population, and gain. Fig.", "mime": "application/pdf"}, {"id": "ap-1235", "words": "1746", "extension": ".pdf", "flesch": "54", "author": "M\u00fcntjes, J.; Meine, S.; Flach, E.; G\u00f6rtz, M.; Hartmann, R.; Schmitz-Rode, T.; Trieu, H. K.; Mokwa, W.", "title": "Assembly of a Pulmonary Artery Pressure Sensor System", "date": "2010", "keywords": "carrier; fig; pressure; sensor; system", "summary": "Her work focuses on assembly technologies in the field of pressure sensor systems in medical technology. Keywords: heart insufficiency, pressure sensor, microsystems technology, assembly.", "mime": "application/pdf"}, {"id": "ap-1237", "words": "2158", "extension": ".pdf", "flesch": "68", "author": "Najman, R.", "title": "Nonlinear Aspects of Heat Pump Utilization", "date": "2010", "keywords": "heat; pump; temperature; water", "summary": "Keywords: heat pumps, thermal mass of an object, coefficient of performance. These installations have a profound impact on the performance of heat pumps.", "mime": "application/pdf"}, {"id": "ap-1239", "words": "3350", "extension": ".pdf", "flesch": "61", "author": "Pavl\u00e1tka, P.", "title": "Option Derivatives in Electricity Hedging", "date": "2010", "keywords": "electricity; futures; hedging; market; options; price; risk", "summary": "ap-4-10.dvi Acta Polytechnica Vol. 50 No. 4/2010 Option Derivatives in Electricity Hedging P. Pavlatka Abstract Despite the high volatility of electricity prices, there is still little demand for electricity power options, and the liquidity on the power exchanges of these power derivatives is quite low. Keywords: option derivatives, electricity hedging, evaluation models, electricity prices.", "mime": "application/pdf"}, {"id": "ap-1241", "words": "2355", "extension": ".pdf", "flesch": "64", "author": "Scheirich, J.", "title": "The DEPFET Mini-matrix Particle Detector", "date": "2010", "keywords": "current; depfet; detector; fig; gate; noise; system", "summary": "Clear- performance of linear DEPFET devices. A Photo of the Measuring System 73 Acta Polytechnica Vol. 50 No. 4/2010 4 Conclusions A measuring system has been designed for the DEPFET Mini-matrix particle detector.", "mime": "application/pdf"}, {"id": "ap-1243", "words": "1493", "extension": ".pdf", "flesch": "62", "author": "Tu\u010dan, M.; \u017d\u00e1k, P.", "title": "Influence of Climatic Cycles on Properties of Leadfree Solders", "date": "2010", "keywords": "fig; leadfree; shocks; solder", "summary": "Keywords: climatic tests, shocks, leadfree solder. Apart from problems such as tin corro- sion and faster oxidation due to higher temperature, which appear in the production phase, there is the matter of the long-term behavior of leadfree solders.", "mime": "application/pdf"}, {"id": "ap-1245", "words": "5177", "extension": ".pdf", "flesch": "59", "author": "U\u0159i\u010d\u00e1\u0159, T.", "title": "Parameter-Invariant Hierarchical Exclusive Alphabet Design for 2-WRC with HDF Strategy", "date": "2010", "keywords": "capacity; channel; design; fig; hxa; relay; signal; space", "summary": "Significant capacity degradation is caused by channel parametrization, which highlights the importance of HXA design resistant to channel parametrization. The proper design of HXA is important, especially in the case of parametric channels, where channel parametrization (e.g. phase rotation) can violate the exclusive property of hierarchical symbols (as seen by the relay), resulting in significant capacity degradation.", "mime": "application/pdf"}, {"id": "ap-1247", "words": "5444", "extension": ".pdf", "flesch": "58", "author": "Valentov\u00e1, M.", "title": "Barriers to Energy Efficiency \u2013 Focus on Transaction Costs", "date": "2010", "keywords": "barriers; costs; efficiency; energy; energy efficiency; information; level; policy; transaction; transaction costs; vol", "summary": "Energy efficiency transaction costs can be divided into four main stages in which transaction costs can occur: the planning phase, the implementation phase, monitoring phase and the verification phase (Ta- ble 1). One factor is the actual share of energy costs in total costs, while an- other factor is the development of energy prices.", "mime": "application/pdf"}, {"id": "ap-1249", "words": "3581", "extension": ".pdf", "flesch": "50", "author": "Van\u011bk, O.", "title": "Agent-based Simulation of the Maritime Domain", "date": "2010", "keywords": "agent; data; fishing; information; modules; simulation; time; transport; vessel", "summary": "50 No. 4/2010 Table 1: Main parameters of different types of vessel agents. Table 1 summarizes the main parameters of each type of vessel agent.", "mime": "application/pdf"}, {"id": "ap-1251", "words": "2804", "extension": ".pdf", "flesch": "66", "author": "Verteletskaya, E.; Sakhnov, K.", "title": "Voice Activity Detection for Speech Enhancement Applications", "date": "2010", "keywords": "algorithm; detection; energy; noise; signal; speech; vad; voice", "summary": "1. VAD design involves extracting acoustic features that can appropriately indicate the probability of tar- get speech signals existing in observed signals. The performance of the proposed VAD algorithm is tested on real speech signals.", "mime": "application/pdf"}, {"id": "ap-1253", "words": "2289", "extension": ".pdf", "flesch": "53", "author": "Vrbov\u00e1, B.; V\u00ed\u0161ek, L.", "title": "Simulation of Hyperthermic Treatment Using the Matrix of Stripline Applicators", "date": "2010", "keywords": "applicators; distribution; fig; sar; tissue", "summary": "In this paper we compare the SAR distribution in a cylindrical homogeneous agar phantom (which has similar characteristics to biological tissue) and in an anatomically based biological model of the femur (which has been developed from a computer tomography scan) using a matrix of two applicators of the same type. In our case, the applicator is filled with distilled water, because 70 % of biological tissue consists of water.", "mime": "application/pdf"}, {"id": "ap-1261", "words": "5954", "extension": ".pdf", "flesch": "66", "author": "Havl\u00ed\u010dek, M.; Pelantov\u00e1, E.; Tolar, J.", "title": "On Representations of sl(n, C) Compatible with a Z2-grading", "date": "2010", "keywords": "algebra; automorphism; grading; k\u22121; lie; matrix; representation", "summary": "ap-5-10.dvi Acta Polytechnica Vol. 50 No. 5/2010 On Representations of sl(n, C) Compatible with a Z2-grading M. Havl\u00ed\u010dek, E. Pelantov\u00e1, J. Tolar Abstract This paper extends existing Lie algebra representation theory related to Lie algebra gradings. [16], including the notion of compatibly graded representation, it is really surprising that there does not yet exist a theory of representations of graded Lie algebras compatible with a given grading.", "mime": "application/pdf"}, {"id": "ap-1263", "words": "3705", "extension": ".pdf", "flesch": "72", "author": "Havl\u00ed\u010dek, M.; Po\u0161ta, S.", "title": "The Diamond Lemma and the PBW Property in Quantum Algebras", "date": "2010", "keywords": "algebra; center; relations", "summary": "\u2212 bc)b = \u2212ab2 \u2212 bab \u2212 acb \u2212 cab \u2212 bcb = \u2212ab \u2212 bab \u2212 a(\u2212ab \u2212 ba \u2212 ac \u2212 ca \u2212 bc)\u2212 cab \u2212 b(\u2212ab \u2212 ba \u2212 ac \u2212 ca \u2212 bc) = \u2212ab \u2212 bab+ a2b+ aba+ a2c+ aca+ abc \u2212 cab+ bab+ b2a+ bac+ bca+ b2c = \u2212ab \u2212 bab+ ab+ aba+ ac+ aca+ abc \u2212 cab+ bab+ ba+ bac+ bca+ bc = aba+ ac+ aca+ abc \u2212 cab+ ba+ bac+ bca+ bc. = cb = \u2212ab \u2212 ba \u2212 ac \u2212 ca \u2212 bc and (cb)b = (\u2212ab \u2212 ba \u2212 ac \u2212 ca", "mime": "application/pdf"}, {"id": "ap-1265", "words": "3083", "extension": ".pdf", "flesch": "67", "author": "Jakubsk\u00fd, V.", "title": "Aharonov-Bohm Effect and the Supersymmetry of Identical Anyons", "date": "2010", "keywords": "anyons; system; wave", "summary": "By contrast, the system described by H0\u03b1,\u2212 allows singular wave functions. This time, the hard-core interaction appears in both systems (neither H0+ nor HAB \u2212 has singular wave functions in its domain).", "mime": "application/pdf"}, {"id": "ap-1267", "words": "4807", "extension": ".pdf", "flesch": "79", "author": "Kalina, M.; Paseka, J.; Rie\u010danov\u00e1, Z.", "title": "Sharply Orthocomplete Effect Algebras", "date": "2010", "keywords": "algebra; effect; lattice; s(e", "summary": "Lattice effect algebras are in some sense a nearest common generalization of orthomodular lattices [16] Mosna\u0301, K.: Atomic lattice effect algebras and their sub-lattice effect algebras, J. Electrical", "mime": "application/pdf"}, {"id": "ap-1269", "words": "2591", "extension": ".pdf", "flesch": "69", "author": "Kochan, D.", "title": "Does a Functional Integral Really Need a Lagrangian?", "date": "2010", "keywords": "integral; phys", "summary": "=\u222b Rn[q1] dq1A\u2217(q1, t1 | q\u03030, t0)A(q1, t1 | q0, t0) , \u03b4(q1 \u2212 q0) = lim t1\u2192t0 A(q1, t1 | q0, t0) . [1], the probability amplitude of the transition of a system from the space-time con- figuration (q0, t0) to (q1, t1) is given as follows: A(q1, t1 | q0, t0) \u221d\u222b", "mime": "application/pdf"}, {"id": "ap-1271", "words": "7328", "extension": ".pdf", "flesch": "84", "author": "Mine, T.", "title": "Self-adjoint Extensions of Schr\u00f6dinger Operators with ?-magnetic Fields on Riemannian Manifolds", "date": "2010", "keywords": "define; let; min; operator", "summary": "In the case M = R 2 and K = 1, similar results are obtained in [7] and Moreover, Lisovyy [11] studies the caseM is the Poincare\u0301 disk, g is the Poincare\u0301 metric, V = 0 and dA = B\u03c9g+2\u03c0\u03b1\u03b40, where B is a non-zero constant and \u03c9g is the surface form induced from the Poincare\u0301 metric g. In all the results above, they first determine the deficiency subspaces Ker(Hmax \u2213 i) and apply the Krein-Von Neumann theory.", "mime": "application/pdf"}, {"id": "ap-1273", "words": "2775", "extension": ".pdf", "flesch": "58", "author": "Rotter, I.", "title": "Exceptional Points and Dynamical Phase Transitions", "date": "2010", "keywords": "environment; phase; quantum; resonance; states", "summary": "The nar- row resonance states appear due to resonance trap- ping, i.e. as a consequence of the alignment of a small number of resonance states to the environment (for details see [2]). Furthermore, the number of trapped resonance states is smaller than the number of individual (basic) states.", "mime": "application/pdf"}, {"id": "ap-1275", "words": "3276", "extension": ".pdf", "flesch": "71", "author": "Shapiro, B.", "title": "Root Asymptotics for the Eigenfunctions of Univariate Differential Operators", "date": "2010", "keywords": "polynomial; root", "summary": "d3 dz3 ; T2 = (z \u2212 I)(z + I)(z \u2212 2 + 3I)(z \u2212 3\u2212 2I) d4 dz4 ; T3 = (z \u2212 I)(z + I)(z \u2212 2 + 3I)(z \u2212 3\u2212 2I) (z + 3) d5 dz5 ; T4 = (z2 + 1)(z \u2212 2 + 3I)(z \u2212 3\u2212 2I)(z + 3) (z + 1 + I) d6 dz6 of the form Q(z) dk dzk where Q(z) is a monic polyno- mial of degree k + 1. 77 Acta Polytechnica Vol. 50 No. 5/2010 0 0.2 0.4 0.6 0.8 1 0 0.2 0.4 0.6 0.8 1 0 0.5 1 1.5 2 2.5 3 -3 -2 -1 0 1 2", "mime": "application/pdf"}, {"id": "ap-1277", "words": "4243", "extension": ".pdf", "flesch": "66", "author": "Znojil, M.", "title": "Rectifiable PT -symmetric Quantum Toboggans with Two Branch Points", "date": "2010", "keywords": "tobogganic; vol", "summary": "In an opposite direction one could also contem- plate tobogganic models where a larger number of branch points would have to be taken into account. 3.2 Sequences of critical points An inspection of Figures 2 and 3 and a comparison with Figures 4 and 5 reveals that one should expect the emergence of sudden changes of the winding de- scriptors \ufffd during a smooth variation of the shift Re x Im x \u20136 \u20134 \u20132 \u20134 \u20132 2 Fig.", "mime": "application/pdf"}, {"id": "ap-1279", "words": "2702", "extension": ".pdf", "flesch": "62", "author": "Augustin, R.; Kole\u0148\u00e1k, R.", "title": "Microstructure of the Transitional Area of the Connection of a High-temperature Ni-based Brazing Alloy and Stainless Steel AISI 321 (X6CrNiTi 18\u201310)", "date": "2010", "keywords": "alloy; brazing", "summary": "It was also found that a slightly increased content of B in brazing alloy NI 102-01 in comparison to NI 102-02 caused better wetting of the surface of PM. For the same brazing parameters, brazing alloy NI 102-02 achieved deeper diffusion of the brazing al- loy into PM, whereas better penetration of PM into the brazing alloy occurred with brazing alloy NI 102- 01.", "mime": "application/pdf"}, {"id": "ap-1281", "words": "1357", "extension": ".pdf", "flesch": "69", "author": "Ceres, D.; Jirout, T.; Rieger, F.", "title": "Pitched Blade Turbine Efficiency at Particle Suspension", "date": "2010", "keywords": "particle; rieger; suspension", "summary": "This paper deals with effect relative impeller size and particle content on the efficiency of a pitched six-blade turbine at particle suspension. Keywords: Pitched blade turbine, particle suspension, agitator efficiency.", "mime": "application/pdf"}, {"id": "ap-1283", "words": "4892", "extension": ".pdf", "flesch": "66", "author": "\u010cech, I.", "title": "A Model of Active Roll Vehicle Suspension", "date": "2010", "keywords": "axle; body; force; lateral; rear; roll; seat; suspension; vertical", "summary": "From the inertia of the axle 0 = 2s2mw2(y 2 w/4 + tn \u00b7 z2tw + tn \u00b7 r2wx)\u00b7 2/yw \u00b7 Zw2 from the unevennesses +ywkw2(Zw2 \u2212 Zk2) from the suspension \u2212ycSbw2 from the lateral forces in the joint Sqb, Sqs +zqxw1/xw \u00b7 (Sqb + Sqs) from the lateral motion of the axle \u22122tn \u00b7 mw2(ztw \u2212 zq)(Ac \u2212 s2 \u00b7 Yky2) from the weight of the displaced mass centre \u22122tn \u00b7 mw2ztw \u00b7 2agZw2/yw from the weight of the body and seat to the displaced axle + 8(mb +ms)agzqZw2/yw \u00b7 xw1/xw (3.8) Equation of lateral forces Lateral forces between the wheels and the road 0 = \u22122ky1Yky1 \u2212 2ky2Yky2 inertia forces of the body and seat +Sqb + Sqs from solid axle roll +s2 \u00b7 mw2 \u00b7 ztw \u00b7 2/yw \u00b7 (tn \u00b7 Zw2 + nz \u00b7 Zb) 18 Acta Polytechnica Vol. 50 \u2212 Zb, Zsb2 =Zs2 \u2212 Zb Dynamic-to-static ratio of lateral forces between wheels and road, front and rear Sy1/sst1 = ky1Yky1/sst1 , Sy2/sst2 = ky2Yky2/sst2 .", "mime": "application/pdf"}, {"id": "ap-1285", "words": "4446", "extension": ".pdf", "flesch": "72", "author": "Ficker, T.", "title": "Fractality of Fracture Surfaces", "date": "2010", "keywords": "fractal; fracture; strength", "summary": "Keywords: fractal dimension, fracture surfaces, porous materials, compressive strength. 2.1 Fractal porosity The large class of porous materials possesses at least one common feature, namely, they are composed of grains (particles, globules, etc.) of microscopic size l. The grains are usually arranged fractally with num- ber distribution N(l) and fractal dimension D N(l)", "mime": "application/pdf"}, {"id": "ap-1287", "words": "4904", "extension": ".pdf", "flesch": "59", "author": "Hassan, A. H.; Rahoma, U. A.; Sabry, M.; Fathy, A. M.", "title": "Color Portion of Solar Radiation in the Partial Annular Solar Eclipse, October 3rd, 2005, at Helwan, Egypt", "date": "2010", "keywords": "color; diffuse; direct; eclipse; fig; infrared; radiation; variation", "summary": "Due to the decreasing fraction of direct radiation at shorter wavelengths, all three parame- ters showed much weaker cloud shading effects than global solar radiation. A study of the spectral composition of global solar radiation by interference metallic filters was carried out during the same previous eclipse in August 11th, 1999 in Helwan, Egypt [7].", "mime": "application/pdf"}, {"id": "ap-1289", "words": "3882", "extension": ".pdf", "flesch": "65", "author": "Jirsa, J.; \u017d\u00e1\u010dek, J.", "title": "UML-oriented Risk Analysis in Manufacturing Systems", "date": "2010", "keywords": "analysis; diagram; fig; object; process; risk; risk analysis; uml", "summary": "Keywords: risk analysis, Unified Modelling Language, manufacturing systems. For this we need risk analysis.", "mime": "application/pdf"}, {"id": "ap-1291", "words": "4227", "extension": ".pdf", "flesch": "69", "author": "Kopeck\u00fd, M.", "title": "Ensemble Empirical Mode Decomposition: Image Data Analysis with White-noise Reflection", "date": "2010", "keywords": "data; eemd; emd; fig; imfs; noise; signal; white", "summary": "4 A comparison between EMD methods and EEMD methods Fig. 2. decompose the data with added white noise into the IMFs;", "mime": "application/pdf"}, {"id": "ap-1293", "words": "5958", "extension": ".pdf", "flesch": "63", "author": "Laurent, R.; Henriet, J.; Gschwind, R.; Makovicka, L.", "title": "A Morphing Technique Applied to Lung Motions in Radiotherapy: Preliminary Results", "date": "2010", "keywords": "4dct; image; lung; medical; morphing; motion; organ; patient; phase; voxels", "summary": "[44] Wolthaus, J. W., Schneider, C., Sonke, J. J., Van Herk, M., Belderbos, J. S. A., Rossi, M. M. G., Lebesque, J. V., Damen, E. M. F.: Mid- ventilation CT scan construction from four- dimensional respiration-correlated CT scans for radiotherapy planning of lung cancer patients. Int. [45] Wolthaus, J. W., Sonke, J. J., Van Herk, M., Damen, E. M.: Reconstruction of a time- averaged midposition CT scan for radiother- apy planning of lung cancer patients using de- formable registration.", "mime": "application/pdf"}, {"id": "ap-1295", "words": "1852", "extension": ".pdf", "flesch": "63", "author": "Ner\u00e1dov\u00e1, M.; Kova\u010d\u00f3cy, P.", "title": "Welding of Aluminum Using a Pulsed Nd:YAG Laser", "date": "2010", "keywords": "aluminum; fig; laser; penetration; welding", "summary": "Because of the possibility of assessing the impact of voltage-inspiring geometry, penetration welding was carried out at voltages 350 V and 375 V. Based on the measured dimensions influences of voltage energy, pulse duration and standoff distance on the weld ge- ometry were evaluated. Keywords: welding parameters, laser welding, aluminum, weldability of aluminum.", "mime": "application/pdf"}, {"id": "ap-1297", "words": "1682", "extension": ".pdf", "flesch": "63", "author": "Provazn\u00edk, M.; Kole\u0148\u00e1k, R.", "title": "A Study of the Interface of Soldered Joints of SnInAgTi Active Solder with Ito Ceramics", "date": "2010", "keywords": "ceramics; fig; ito; solder; soldering", "summary": "Keywords: ultrasonic activation, active solder, ITO (indium-tin oxide) ceramics. 3 Experiment results A differential thermic analysis was made on a sam- ple of active solder.", "mime": "application/pdf"}, {"id": "ap-1299", "words": "3745", "extension": ".pdf", "flesch": "63", "author": "Sivkov, O.", "title": "Practical Results of a Five-level Flying Capacitor Inverter", "date": "2010", "keywords": "capacitor; current; fig; level; output; voltage", "summary": "4 shows the simulation results from Simulink with output voltage Uout, output current Iout, and capacitor voltages Uc1, Uc2, Uc3. 4: Output voltage Uout, output current Iout and flying capacitor voltages Uc1, Uc2 and Uc3 of five-level FCMI with a resistive inductive load Fig.", "mime": "application/pdf"}, {"id": "ap-1301", "words": "3360", "extension": ".pdf", "flesch": "56", "author": "\u0160im\u00e1n\u011b, \u010c.", "title": "Non Mechanical (Mezic) Type Forces in the Foundations of Quantum Mechanics", "date": "2010", "keywords": "equation; \ufffd u", "summary": "Then, the equations of motion can be explicitly written in the form[ \u03bc d\ufffdv dt + \u03bc d\ufffdu dt \u03b4V + (\ufffdv + \ufffdu) d\u03bc dt \u03b4V+ \u03bc (\ufffdv + \ufffdu) (\u03b4V ) dt + e m \u03bc\u2207\u03d5\u03b4V \u2212 \ufffduq ] m\u03b4V = 0 (8) The time derivative of \u03b4V in the fourth member of (8) must be treated as the sum of the derivatives at \ufffdv and \ufffdu constant \u03bc(\ufffdv + \ufffdu) (\u03b4V ) dt = \u03bc(\ufffdv + \ufffdu) [div\ufffdu(\ufffdv + \ufffdu) + div\ufffdv(\ufffdv + \ufffdu)] \u03b4V = \u03bc\ufffdv div\ufffdv\u03b4V + \u03bcu div \ufffdu\u03b4V (9) \u03bc d\ufffdv dt + \ufffdv [( \u2202\u03bc \u2202t ) \ufffdu + div(\u03bc\ufffdv) ] + e m \u03bc\u2207\u03d5+ \u03bc d\ufffdu dt + \ufffdu [( \u2202\u03bc \u2202t ) \ufffdv + div (\u03bc\ufffdu) ] + \ufffduq = 0 (11) Here again the partial time derivatives must be taken at \ufffdv and \ufffdu constant.", "mime": "application/pdf"}, {"id": "ap-1303", "words": "2385", "extension": ".pdf", "flesch": "58", "author": "Zamarovsk\u00fd, P.", "title": "Cosmos, Time and Creation (Remarks to the Philosophical, Theological and Physical Conceptions of Creation)", "date": "2010", "keywords": "clocks; creation; god; scale; time", "summary": "Keywords: Big Bang, creation, cosmos, time scale, imaginary time, horizon, singularity. ap-6-10.dvi Acta Polytechnica Vol. 50 No. 6/2010 Cosmos, Time and Creation Remarks to the Philosophical, Theological and Physical Conceptions of Creation P. Zamarovsky\u0301", "mime": "application/pdf"}, {"id": "ap-1305", "words": "2883", "extension": ".pdf", "flesch": "57", "author": "\u017div\u010d\u00e1k, J.; Ro\u0161ko, M.", "title": "How to Protect Patients Digital Images/Thermograms Stored on a Local Workstation", "date": "2010", "keywords": "attempts; authentication; fingerprint; fraud; frr; logon; total; user", "summary": "Auditing fingerprint logon attempts generates security events, depending on whether the audit of successes or failures, or both (in our case we audited both), is enabled. [cit. 3\u201323\u20132010] http://www.ece.unh.edu/biometric/biomet/ public docs/Biometricsurveyfindings.pdf [6] Mullaney, J.: Biometric authentication a choice for banks.", "mime": "application/pdf"}, {"id": "ap-1306", "words": "2274", "extension": ".pdf", "flesch": "59", "author": "Bla\u017eek, M.; Anisimova, E.; P\u00e1ta, P.", "title": "Application of Wavelet Transform for Image Denoising of Spatially and Time Variable Astronomical Imaging Systems", "date": "2011", "keywords": "image; noise; psf; transform; wavelet", "summary": "For the third decomposition level, the influence of the denoising on the astronomical image was even nega- tive for several wavelets (e.g. most of the Daubechies and Reversed Biorthogonal wavelets) because of the strong artifacts of the transform (Figure 4). Only soft thresholding [9] was ap- plied, due to its better peak signal to noise ratio for image denoising, and no thresholding was done to 1http://www.mathworks.com/ 2http://iraf.noao.edu/ 12 Acta Polytechnica Vol. 51", "mime": "application/pdf"}, {"id": "ap-1308", "words": "2466", "extension": ".pdf", "flesch": "58", "author": "Castro-Tirado, A. J.", "title": "Robotic Astronomy and the BOOTES Network of Robotic Telescopes", "date": "2011", "keywords": "bootes; fig; filters; fov; station; telescope; transient", "summary": "1: Distribution of robotic telescopes in the world 1following the consensus reached after one hour of discussion amongst the 80 participants who attended the \u201cWorkshop in Robotic Autonomous Observatories\u201d, held in Ma\u0301laga (Spain) on May 18\u201321, 2009. The BOOTES network of robotic telescopes 2.1 BOOTES-1 The first robotic astronomical observatory in Spain was placed in the INTA\u2019s Estacio\u0301n de Sondeos At- mosfe\u0301ricos (ESAt) at the Centro de Experimentacio\u0301n de el Arenosillo in Mazago\u0301n (Moguer, Huelva).", "mime": "application/pdf"}, {"id": "ap-1310", "words": "6793", "extension": ".pdf", "flesch": "67", "author": "Giovannelli, F.; Sabau-Graziati, L.", "title": "X-ray Transient Sources (Multifrequency Laboratories) The Case of the Prototype A0535+26/HDE 245770", "date": "2011", "keywords": "days; et al; giovannelli; outbursts; ray; star; system", "summary": "The shape and intensity of X-ray outbursts are dependent on the strength of the activity of the primary. Thus the passage of the neutron star at the periastron occurs with a periodicity of 110.856 \u00b1 0.02 days and the different kinds of X-ray outbursts of A0535+26 \u2014 following the definitions reported in the review by Giovannelli & Sabau-Graziati (1992) \u2014 occur just after \u223c 8 days.", "mime": "application/pdf"}, {"id": "ap-1312", "words": "2088", "extension": ".pdf", "flesch": "59", "author": "Grinberg, V.; Kreykenbohm, I.; F\u00fcrst, F.; Wilms, J.; Pottschmidt, K.; Bel, M. Cadolle; Rodriguez, J.; Marcu, D. M.; Suchy, S.; Markowitz, A.; Nowak, M. A.", "title": "Timing Analysis with INTEGRAL: Comparing Different Reconstruction Algorithms", "date": "2011", "keywords": "light; resolution; time", "summary": "So while a better noise correction is re- quired, ii light lightcurves are still well suited for timing studies with a 10 s to 0.1 s resolu- tion in the regime above 20 keV. 4 Summary and Conclusions We have shown that it is possible to perform tim- ing studies with a resolution of up to 0.1 s with IN- TEGRAL when using the ii light tool. For higher time resolution, ii light produces meaningful results, although the overall variance of the lightcurves is not preserved.", "mime": "application/pdf"}, {"id": "ap-1314", "words": "2945", "extension": ".pdf", "flesch": "65", "author": "Hudec, R.; Bla\u017eek, M.; Hudcov\u00e1, V.", "title": "Czech Participation in the INTEGRAL Satellite: A Review", "date": "2011", "keywords": "cvs; czech; ibis; integral; omc; optical; ray", "summary": "The results of the first 7 years of investigations of various scientific targets e.g. cataclysmic variables, blazars, X-ray sources, and GRBs with the ESA INTEGRAL satellite with Czech participation are briefly presented and discussed. Below we list a few examples of blazars analyzed with INTEGRAL observations.", "mime": "application/pdf"}, {"id": "ap-1316", "words": "3971", "extension": ".pdf", "flesch": "59", "author": "Hudec, R.; P\u00edna, L.; Mar\u0161\u00edkov\u00e1, V.; Inneman, A.; Skulinov\u00e1, M.; M\u00edka, M.", "title": "Czech Participation in International X-Ray Observatory (IXO)", "date": "2011", "keywords": "czech; glass; ixo; optics; ray; technologies; wafers", "summary": "Keywords: X-ray satellites, X-ray telescopes, X-ray optics. 1 Introduction The design and development of X-ray optics has a long tradition in the Czech Republic (e.g. Hudec et al., 1991, 1999, 2000, 2001, Inneman et al. 1999, 2000).", "mime": "application/pdf"}, {"id": "ap-1318", "words": "2878", "extension": ".pdf", "flesch": "56", "author": "Hudec, R.; Hudec, L.; Kl\u00edma, M.", "title": "Ultra Low-Dispersion Spectroscopy with Gaia and Photographic Objective Prism Surveys", "date": "2011", "keywords": "dispersion; gaia; plates; prism; spectra", "summary": "No. 2/2011 5 Conclusion Variability studies based on low-dispersion spectra are expected to provide unique novel data, and can use the algorithms recently developed for automatic analyses of digitized spectral Schmidt plates. The energy redistribution effect in the Gaia BP and RP spectra arising from contamina- tion by wings of the image profiles was mentioned and investigated by Straizys et al., 2006, Montegriffo et al., 2007, and Montegriffo, 2009.", "mime": "application/pdf"}, {"id": "ap-1320", "words": "1613", "extension": ".pdf", "flesch": "67", "author": "Hudec, R.", "title": "The Puzzle of V407 Cygni", "date": "2011", "keywords": "gamma; mira; ray; v407", "summary": "Keywords: variable stars, Mira variables, symbiotic stars, gamma-rays, gamma-ray transients. 1: The historical light curve of V407 Cyg (Munari et al., 1990) Fig. 2: INTEGRAL IBIS observation of the V407 Cyg position (Bassani, 2010) shows the new transient to be located between two persistent hard X-ray sources, with no confirmation of the transient detection Fig.", "mime": "application/pdf"}, {"id": "ap-1322", "words": "2767", "extension": ".pdf", "flesch": "59", "author": "Chernenko, A.", "title": "On the Intrinsic Simplicity of Spectral Variability of GRBs", "date": "2011", "keywords": "correlation; eigenvalues; light; time; variability", "summary": "This analysis allows us to identify time intervals where emission variability can be reduced to a single physical parameter and can therefore be robustly attributed to a single physical emitter. [1..N ], N being the total number of time intervals for a given GRB.", "mime": "application/pdf"}, {"id": "ap-1324", "words": "1829", "extension": ".pdf", "flesch": "71", "author": "Kov\u00e1cs, A.; Bagoly, Z.; Bal\u00e1zs, L. G.; Horv\u00e1th, I.; Veres, P.", "title": "Cosmology with Gamma-Ray Bursts Using k-correction", "date": "2011", "keywords": "amati; energy; vol", "summary": "1 Introduction Several papers present how to make k-corrections (e.g. [1]). The motivation of k-correction is related to the fact that the energy distribution measured with gamma-ray detectors placed on satellites is not equal to the energy that the burst released in its comoving system.", "mime": "application/pdf"}, {"id": "ap-1326", "words": "3547", "extension": ".pdf", "flesch": "74", "author": "Kreykenbohm, I.; F\u00fcrst, F.; Barr\u00e1gan, L.; Wilms, J.; Rothschild, R. E.; Suchy, S.; Pottschmidt, K.", "title": "4U 1909+07: a Hidden Pearl", "date": "2011", "keywords": "data; energy; integral; kev; period; phase; pulse", "summary": "To obtain the pulse profile at high energies between 20 keV and 40 keV, we used INTEGRAL data taken in 2004. Neither the photoelectric absorption nor the power law index \u0393 varies with pulse phase.", "mime": "application/pdf"}, {"id": "ap-1328", "words": "2177", "extension": ".pdf", "flesch": "62", "author": "Lovisari, L.; Schindler, S.; Kapferer, W.", "title": "XMM Observations of Metal Abundances in Galaxy Clusters", "date": "2011", "keywords": "cluster; galaxies; icm; metallicity", "summary": "Due to the large potential wells of galaxy clusters they retain all the enriched material. Because the gas transfer affects the evo- lution of galaxy and galaxy cluster, it is important to know when and how the enrichment takes place.", "mime": "application/pdf"}, {"id": "ap-1330", "words": "930", "extension": ".pdf", "flesch": "70", "author": "M\u00e9sz\u00e1ros, A.; \u0158\u00edpa, J.; Bal\u00e1zs, L. G.; Bagoly, Z.; Veres, P.; Horv\u00e1th, I.", "title": "Cosmology and the Subgroups of Gamma-ray Bursts", "date": "2011", "keywords": "grbs", "summary": "I. Horva\u0301th Abstract Both short and intermediate gamma-ray bursts are distributed anisotropically in the sky (Me\u0301sza\u0301ros, A. et al. ApJ, 539, 98 (2000), Vavrek, R. et al. MNRAS, 391, 1 741 (2008)). T90 is in seconds; for definitions of hardness, duration T90 and for more details see Horva\u0301th et al.:", "mime": "application/pdf"}, {"id": "ap-1332", "words": "3431", "extension": ".pdf", "flesch": "71", "author": "Mi\u0161kovi\u010dov\u00e1, I.; Hanke, M.; Wilms, J.; Nowak, M. A.; Pottschmidt, K.; Schulz, N. S.", "title": "Spectroscopy of the Stellar Wind in the Cygnus X-1 System", "date": "2011", "keywords": "absorption; phase; ray; wind; x-1", "summary": "The distribution of X-ray dips with or- bital phase peaks around phase 0.0 [1]. The distribution of X-ray dips with orbital phase in Cygnus X-1, MNRAS, 311, 2000, p. 861\u2013868.", "mime": "application/pdf"}, {"id": "ap-1334", "words": "3711", "extension": ".pdf", "flesch": "60", "author": "\u0158e\u0159\u00e1bek, M.; P\u00e1ta, P.", "title": "Advanced Processing of Images Obtained from Wide-field Astronomical Optical Systems", "date": "2011", "keywords": "aberration; data; error; image; psf; system; wavefront", "summary": "An experiment for estimating the optical aber- rations of real optical systems was implemented. Optical aberrations models for linear space invariant and variant (LSI/LSV) systems are there- fore outlined in this paper.", "mime": "application/pdf"}, {"id": "ap-1336", "words": "3295", "extension": ".pdf", "flesch": "56", "author": "Schindler, J.; P\u00e1ta, P.; Kl\u00edma, M.; Fliegel, K.", "title": "Astronomical Image Compression Techniques Based on ACC and KLT Coder", "date": "2011", "keywords": "algorithms; coder; coding; compression; data; image; lossless; lossy; transform", "summary": "Applying special compression algorithms based on specific properties of wavelet, fractal or Karhunen- Loe\u0300ve transform [9] seems to be a better solution for astronomical image data compression. Keywords: astronomical image compression, Karhunen-Loe\u0300ve transform, dark frame compression, loss less compression algorithm, Astronomical Context Coder (ACC), JPEG 2000.", "mime": "application/pdf"}, {"id": "ap-1338", "words": "3010", "extension": ".pdf", "flesch": "63", "author": "Soko\u0142owski, M.; Nale\u017cyty, M.; Majczyna, A.; Wawrzaszek, R.; Wajer, P.", "title": "Searching for Space Debris Elements with the \u201cPi of the Sky\u201d System", "date": "2011", "keywords": "debris; elements; objects; satellites; sky; space; system", "summary": "RMS 4750 = 1800\u2019\u2019satR Night 20070526 MC Distance to closest satellite : night 20070526 and MC Fig. Keywords: space debris, robotic telescopes, satellite observations, satellite tracking, optical transients.", "mime": "application/pdf"}, {"id": "ap-1340", "words": "1524", "extension": ".pdf", "flesch": "53", "author": "V\u00edtek, S.; Fliegel, K.; P\u00e1ta, P.; Koten, P.", "title": "MAIA: Technical Development of a Novel System for Video Observations of Meteors", "date": "2011", "keywords": "camera; image; intensifier; lens; system", "summary": "Keywords: imaging systems, image processing, ethernet camera, image intensifier, system testing, astronomy, meteors. 1 Introduction Double station observation of meteors using two video systems coupled with image intensifiers started at the Ondr\u030cejov observatory about a decade ago[1].", "mime": "application/pdf"}, {"id": "ap-1342", "words": "2399", "extension": ".pdf", "flesch": "54", "author": "\u017barnecki, A. F.; Ma\u0142ek, K.; Soko\u0142owski, M.", "title": "Improving the Photometry of the Pi of the Sky System", "date": "2011", "keywords": "data; magnitudo; photometry; reference; sky; stars", "summary": "With a new calibration algorithm taking into account the spectral type of reference stars, the stability of the photometry algorithm can be significantly improved. This is an iteration procedure where stars from the list are matched against reference stars from the catalog (the TYCHO catalog is currently used).", "mime": "application/pdf"}, {"id": "ap-1344", "words": "3699", "extension": ".pdf", "flesch": "64", "author": "Ananikian, N.; Ananikyan, L.; Chakhmakhchyan, L.; Kocharian, A.", "title": "Thermal Entanglement and Critical Behavior of Magnetic Properties on a Triangulated Kagom\u00e9 Lattice", "date": "2011", "keywords": "entanglement; field; heisenberg; ising; properties; quantum", "summary": "Sa ki presents the Heisenberg spins and Sb ki the Ising spins The Hamiltonian can be written as follows: H = Jaa \u2211 (i,j) Sa i S a j \u2212 Jab \u2211 (k,l) (Sz)ak \u00b7 (Sz)bl \u2212 H 2N 3\u2211 i=1 3[(Sz)aj + 1 2 (Sz)bj ], (1) where Sa = {Sa x, Sa y , Sa z } is the Heisenberg spin- 1 2 op- erator, and Sb is the Ising spin.", "mime": "application/pdf"}, {"id": "ap-1346", "words": "5845", "extension": ".pdf", "flesch": "66", "author": "Bellucci, S.; Krivonos, S.; Sutulin, A.", "title": "N = 4, d = 1 Supersymmetric Hyper-K\u00e4hler Sigma Models and Non-Abelian Monopole Background", "date": "2011", "keywords": "action; auxiliary; mechanics; supermultiplet; supersymmetric", "summary": "In what follows, to make some expressions more transparent, we will use, sometimes, the following stereographic coordi- nates for the bosonic components of hypermultiplet (2.21) and tensor supermultiplet (2.14): q11 = e 1 2 (u\u2212i\u03c6)\u221a 1 + \u039b\u039b \u039b, q21 = \u2212 e 1 2 (u\u2212i\u03c6)\u221a 1 + \u039b\u039b , q22 = ( q11 ) Indeed, from (2.17) and (2.23) one may get the fol- lowing expression for A: A = 1 f [ \u03c6\u0307+ \u2202 \u2202va f(\u03bb\u03c3a\u03bb\u0304)\u2212Bav\u0307a ] , (3.6) where f = 1 |v| , and , B1 = \u2212 v2(v3 + |v|) (v21 + v22)|v| , B2 = v1(v3 + |v|) (v21 + v22)|v| , B3 = 0. (3.7) 16 Acta Polytechnica Vol. 51 No. 1/2011", "mime": "application/pdf"}, {"id": "ap-1348", "words": "4348", "extension": ".pdf", "flesch": "65", "author": "Bellucci, S.; Krivonos, S.; Sutulin, A.", "title": "Five-dimensional N = 4 Supersymmetric Mechanics", "date": "2011", "keywords": "action; bosonic; reduction; su(2; supersymmetric", "summary": "Next, we introduce the standard Poisson brackets for bosonic fields {\u03c0,\u039b} = 1, { \u03c0\u0304,\u039b } (2.16) Performing a Routh transformation over the vari- ables (\u039b,\u039b, \u03c6), we reduce the action (2.8) to S\u0303 = S \u2212 \u222b dt { \u03c0 \u039b\u0307 + \u03c0\u0304 \u039b\u0307 + p\u03c6\u03c6\u0307 } (2.17) and substitute the expressions (2.16) in S\u0303. At the final step, we have to choose the proper parametriza- tion for bosonic components qi\u03b1 A (2.6), taking into account that they contain only five independent vari- ables.", "mime": "application/pdf"}, {"id": "ap-1350", "words": "2481", "extension": ".pdf", "flesch": "67", "author": "Castro, O. Osuna; Wagner, E.", "title": "Quantum Moment Map and Invariant Integration Theory on Quantum Spaces", "date": "2011", "keywords": "quantum", "summary": "By an invariant integral we mean a positive linear functional h on X satisfying h(f \ufffd x) = \u03b5(f)h(x), x \u2208 X , f \u2208 U . Then any *-representation \u03c0 : X \u2192 L+(D) leads to a *-re- presentation \u03c0 \u25e6 \u03c1 : U \u2192 L+(D), and it follows easily from the Hopf algebra structure of U that adL(f)(X) := \u03c0(\u03c1(f(1)))X \u03c0(\u03c1(S(f(2)))), f \u2208 U , X \u2208 L+(D), (6) defines a left U-action on L+(D) turning it into a U- module *-algebra.", "mime": "application/pdf"}, {"id": "ap-1352", "words": "3375", "extension": ".pdf", "flesch": "77", "author": "Dimakis, A.; Kanning, N.; M\u00fcller-Hoissen, F.", "title": "Bidifferential Calculus, Matrix SIT and Sine-Gordon Equations", "date": "2011", "keywords": "equation; matrix; solutions", "summary": "9 Solutions of the scalar (sharp line) SIT equations We rewrite p in (20), where now m = 1, as follows, p = p0 \u2212 tr ( (SK +KS)\u039eK\u039e (IM + (K\u039e)2)\u22121 ) = p0 + tr ( (IM + (K\u039e)2)x (IM + (K\u039e)2)\u22121 ) = p0 + ( log det ( IM + (K\u039e)2 )) Taking (11) into account, the Miura transformation reads q = \u2212cx a\u22121 = \u2212rx \u2212 r ax a\u22121 , qy = \u2212r", "mime": "application/pdf"}, {"id": "ap-1356", "words": "2084", "extension": ".pdf", "flesch": "75", "author": "Lanczewski, T.", "title": "The Velocity Tensor and the Momentum Tensor", "date": "2011", "keywords": "tensor", "summary": "Keywords: relativistic classical mechanics, velocity tensor, momentum tensor. Then matrix (19) takes the form \u03a0(\u03b2) = \u03b32 ( \u03a000 \u03a001", "mime": "application/pdf"}, {"id": "ap-1358", "words": "1846", "extension": ".pdf", "flesch": "76", "author": "Ferreira, L. A.; Kato, S.; Sawado, N.; Toda, K.", "title": "Quantized Solitons in the Extended Skyrme-Faddeev Model", "date": "2011", "keywords": "model; theory", "summary": "We have found new Hopf soliton solutions for the extended Skyrme- Faddeev model. It is a (3 + 1)-dimensional Lorentz invari- ant field theory for a triplet of scalar fields \ufffdn, living on the two-sphere S2, \ufffdn2 = 1, and defined by the Lagrangian density L = M2 \u2202\u03bc\ufffdn \u00b7 \u2202\u03bc\ufffdn\u2212 1 e2 (\u2202\u03bc\ufffdn \u2227 \u2202\u03bd\ufffdn) 2 + (1)", "mime": "application/pdf"}, {"id": "ap-1360", "words": "2259", "extension": ".pdf", "flesch": "85", "author": "Fotopoulos, A.; Tsulaia, M.", "title": "Current Exchanges for Reducible Higher Spin Modes on AdS", "date": "2011", "keywords": "arxiv; hep; phys", "summary": "References [1] Vasiliev, M. A.: Fortsch. Bekaert, X., Cnock- aert, S., Iazeolla, C., Vasiliev, M. A.: [arXiv:hep- th/0503128].", "mime": "application/pdf"}, {"id": "ap-1362", "words": "3623", "extension": ".pdf", "flesch": "69", "author": "Palese, M.; Winterroth, E.", "title": "Infinitesimal Algebraic Skeletons for a (2 + 1)-dimensional Toda Type System", "date": "2011", "keywords": "lie", "summary": "We observe that by the homomorphismX4 = X5 = 0 and X8 = \u03bdX3 we get a closed Lie algebra (which is different from the Lie algebra corresponding to the Euclidean group in the plane obtained above): It is easy to verify that on every integral submanifold defined by u = u(x, y, z), p = ux, q = uy, r = uz, with dx \u2227 dy \u2227 dz \ufffd= 0, the above ideal is equivalent to the Toda system under study.", "mime": "application/pdf"}, {"id": "ap-1364", "words": "3032", "extension": ".pdf", "flesch": "75", "author": "Poghosyan, V. S.; Priezzhev, V. B.", "title": "The Problem of Predecessors on Spanning Trees", "date": "2011", "keywords": "lattice; phys", "summary": "Keywords: loop erased random walk, spanning trees, Kirchhoff theorem, Abelian sandpile model. In Section 2 we concentrate on a particular problem of probability P (1) when points i and j are nearest neighbors of the square lattice.", "mime": "application/pdf"}, {"id": "ap-1370", "words": "1488", "extension": ".pdf", "flesch": "75", "author": "Takasaki, K.", "title": "Toda Tau Functions with Quantum Torus Symmetries", "date": "2011", "keywords": "function; tau; toda", "summary": "G\u22121 \u2212 q\u2212W0/2 \u00b7 exp ( \u221e\u2211 k=1 (\u22121)ktkJk ) qW0/2G\u2212. Inserting this identity and using the fact that \u3008s|G\u22121 \u2212 q\u2212W0/2 = q\u2212s(s+1)(2s+1)/12\u3008s|, q\u2212W0/2G\u22121 + |s\u3009 = q\u2212s(s+1)(2s+1)/12|s\u3009, we can rewrite Z(s, t) as Z(Q, s, t) = exp ( \u221e\u2211 k=1 tkqk 1\u2212 qk ) \u00b7 q\u2212s(s+1)(2s+1)/6\u03c4(s, T ,0), (13) Keywords: Toda hierarchy, melting crystal model, quantum torus algebra.", "mime": "application/pdf"}, {"id": "ap-1372", "words": "2532", "extension": ".pdf", "flesch": "74", "author": "Catto, S.; Choun, Y.", "title": "Supersymmetry in the Quark-Diquark and the Baryon-Meson Systems", "date": "2011", "keywords": "color; representation", "summary": "n!(nr \u2212 n \u2212 1)!(n+ l + 12 ( 1 2 br2 )n \u00d7 { 1 +mr n\u03b6\u2212n\u22121\u2211 k=0 (\u22121)k(n+ l)!(2n+ l + 1)(n\u03b6 \u2212 n\u2212 1)!(n \u2212 1 2 )! 2(k + n+ 12 )! = ( (nr \u2212 1)!(2l + 2)!(nr + l \u2212 1 2 )!", "mime": "application/pdf"}, {"id": "ap-1374", "words": "5384", "extension": ".pdf", "flesch": "54", "author": "Ficker, T.; Marti\u0161ek, D.; Jennings, H. M.", "title": "Surface Roughness and Porosity of Hydrated Cement Pastes", "date": "2011", "keywords": "cement; fracture; graphs; parameters; porosity; ratio; roughness; surface; water", "summary": "[4] Lange, D. A., Jennings, H. M., Shah, S. P.: Rela- tionship between fracture surface roughness and fracture behavior of cement paste and mortar, J. Am. In our preliminary study [9], it was illustrated that, in addition to the roughness numbers RN , there are very promising surface parameters of another kind called the sur- face profile (SP ) and surface roughness (SR) pa- rameters derived from three-dimensional (3D) dig- ital replicas of fracture surfaces.", "mime": "application/pdf"}, {"id": "ap-1376", "words": "2223", "extension": ".pdf", "flesch": "59", "author": "Ficker, T.", "title": "Fracture Surfaces of Porous Materials", "date": "2011", "keywords": "cement; fracture; porosity; roughness; surfaces", "summary": "[4] Lange, D. A., Jennings, H. M., Shah, S. P.: Rela- tionship between fracture surface roughness and fracture behavior of cement paste and mortar, J. Am. Keywords: roughness analysis, fracture surfaces, cement-based materials, confocal microscopy.", "mime": "application/pdf"}, {"id": "ap-1378", "words": "3380", "extension": ".pdf", "flesch": "57", "author": "Hilar, M.", "title": "3D Modelling of a Tunnel Re-excavation in Soft Ground", "date": "2011", "keywords": "excavation; lining; pile; tunnel; walls", "summary": "The model was prepared for analysing the conditions input into the 2D calcu- lations (location of geotechnical units, input param- eters, tunnel lining, etc.) No. 3/2011 Fig. 11: Tunnel construction under micropile umbrellas the horizontal jet grouting columns (to increase their stiffness), but like the jet grouting columns drilled into the face, this approach was finished after the third section.", "mime": "application/pdf"}, {"id": "ap-1380", "words": "3624", "extension": ".pdf", "flesch": "57", "author": "Kut\u00edlek, P.; Hozman, J.", "title": "Determining the Position of Head and Shoulders in Neurological Practice with the use of Cameras", "date": "2011", "keywords": "axis; cameras; head; position; profile; rotation; system", "summary": "Head position was measured with precision of 0.5\u25e6 in three planes (rotation-yaw, flexion-pitch and inclination-roll) [5], two cameras are required for determining head positions.", "mime": "application/pdf"}, {"id": "ap-1382", "words": "2705", "extension": ".pdf", "flesch": "62", "author": "Liteck\u00e1, J.; Fabianov\u00e1, J.; Pavlenko, S.", "title": "Relation between Cutting Surface Quality and Alloying Element Contents when Using a CO2 Laser", "date": "2011", "keywords": "cutting; laser; material; parameters; quality; steel; surface", "summary": "The experimental results are shown in graphs which illustrate the suitability of materials for achieving required cutting surface quality parameters. No. 3/2011 3 Description of the experiment The following materials were chosen for an exper- iment to determine the quality characteristics of material cutting using a CO2 laser with different structures, i.e. with different alloys: S355J2C+N, QStE380TM and S2355JR.", "mime": "application/pdf"}, {"id": "ap-1384", "words": "3354", "extension": ".pdf", "flesch": "60", "author": "Stefanovi\u010d, M.; Vrbov\u00e1, M.", "title": "Optimization of a Water Window Capillary Discharge Radiation Source", "date": "2011", "keywords": "capillary; discharge; gas; plasma; radiation; time", "summary": "Keywords: water window radiation, capillary discharge, soft X rays, nitrogen plasma. The role of capillary shielding In capillary discharge systems, the dielectric capillary is often surrounded by another metal in order to re- duce the overall inductance in the discharge circuit.", "mime": "application/pdf"}, {"id": "ap-1386", "words": "4804", "extension": ".pdf", "flesch": "62", "author": "Van\u011b\u010dek, D.; Jirsa, J.", "title": "Electronic Education", "date": "2011", "keywords": "animation; computer; education; internet; learning; students; systems; use; web", "summary": "We will fo- cus on computer animations, which are discussed in greater detail in the second and third parts of this paper. DHTML itself is not very efficient for web animation purposes, because it only involves moving static pictures inside the win- dow area.", "mime": "application/pdf"}, {"id": "ap-1388", "words": "1559", "extension": ".pdf", "flesch": "50", "author": "Van\u011b\u010dek, D.; Jirsa, J.", "title": "A Taxonomy of Technical Animation", "date": "2011", "keywords": "animation; fig; figure; process; student", "summary": "Our aim is to show the taxonomy of education animation. This article deals with computer animation in technical education.", "mime": "application/pdf"}, {"id": "ap-1390", "words": "3012", "extension": ".pdf", "flesch": "61", "author": "Van\u011b\u010dek, D.; Jirsa, J.", "title": "Practical Implementation of Animation for Students of Pedagogical Studies at MIAS CTU in Prague", "date": "2011", "keywords": "animation; flash; layers; students; symbols; type", "summary": "Introduction The main goal of this paper is to present didactic aspects of producing computer animations for use in education, to categorize types of animations and pro- vide examples. Abstract This paper shows computer animation as a teaching and learning instrument in technical education.", "mime": "application/pdf"}, {"id": "ap-1392", "words": "3164", "extension": ".pdf", "flesch": "79", "author": "Amore, P.; Fern\u00e1ndez, F. M.", "title": "Rational Approximation to the Solutions of Two-Point Boundary Value Problems", "date": "2011", "keywords": "equation; \u22120.461", "summary": "Keywords: nonlinear differential equations, Ginzburg-Landau, Wilson\u2019s renormalization, Wegner-Houghton, Riccati equation, Pad\u00e9-Hankel method. Table 4 shows Hankel sequences with d = 0 and d", "mime": "application/pdf"}, {"id": "ap-1394", "words": "4180", "extension": ".pdf", "flesch": "66", "author": "Brody, D. C.; Graefe, E. M.", "title": "Coquaternionic Quantum Dynamics for Two-level Systems", "date": "2011", "keywords": "dynamics; hamiltonian; quantum; space; state", "summary": "If a coquaternion q has the property that q\u0304q > 0 and that its imaginary part also has a positive norm so that q21 \u2212 q22 \u2212 q23 > 0, then q can be written in the form q = |q|eiq\u03b8q = |q|(cos \u03b8q + iq sin \u03b8q), (3) where iq = iq1 + jq2 + kq3\u221a q21 \u2212 q22 \u2212 q23 and \u03b8q \u2212 jq2 \u2212 kq3.", "mime": "application/pdf"}, {"id": "ap-1396", "words": "3057", "extension": ".pdf", "flesch": "71", "author": "Jones, H. F.", "title": "Perturbation Theory for PT-Symmetric Sinusoidal Optical Lattices at the Symmetry-Breaking Threshold", "date": "2011", "keywords": "4iz; functions", "summary": "2 Band structure at threshold At the threshold \u03bb = 1, the potential V in Eq. (2) be- comes the complex exponential V = V0 exp(2i\u03c0x/a), for which the Schro\u0308dinger equation is \u2212 \u03c8\u2032\u2032 \u2212 V0 exp(2i\u03c0x/a)\u03c8 = \u03b2\u03c8. 2: Characteristic behaviour of error functions whose arguments are (a) real or (b) have a large imaginary part.", "mime": "application/pdf"}, {"id": "ap-1398", "words": "4691", "extension": ".pdf", "flesch": "84", "author": "Kalina, M.", "title": "Two Remarks to Bifullness of Centers of Archimedean Atomic Lattice Effect Algebras", "date": "2011", "keywords": "effect; lattice", "summary": "and we are able to extend this state to the whole lattice effect algebra E. In [8] an atomic lattice effect algebra E (in fact, an atomic orthomodular lattice) with atomic center C(E) was constructed, where C(E) is not a bifull sublattice of E. In this paper we show that for atomic lattice effect algebras E (atomic orthomodular lattices) neither completeness (and atomicity) of C(E) nor \u03c3-completeness of E are sufficient conditions for C(E) to be a bifull sublattice of E. Keywords: lattice effect algebra, orthomodular lattice, center, atom, bifullness. There are lattice effect algebras with no state.", "mime": "application/pdf"}, {"id": "ap-1400", "words": "6419", "extension": ".pdf", "flesch": "58", "author": "Kirillov, O. N.", "title": "Singularities in Structural Optimization of the Ziegler Pendulum", "date": "2011", "keywords": "flutter; load; mass; optimization; pendulum; stability", "summary": "The proof of optimality in non-conservative optimization problems is a mathematical challenge related to multiple eigenvalues, singularities in the stability domain, and non-convexity of the merit functional. This phenomenon has been observed in many numerical studies of non-conservative optimization problems [4, 6, 7, 9, 10, 13, 14,17, 18] and was described analytically by Kirillov and Seyranian in [27, 28].", "mime": "application/pdf"}, {"id": "ap-1402", "words": "5985", "extension": ".pdf", "flesch": "69", "author": "Kisil, V. V.", "title": "Erlangen Programme at Large 3.2 Ladder Operators in Hypercomplex Mechanics", "date": "2011", "keywords": "group; ladder; mechanics; operators; representation", "summary": "Then there is an additional pair of hyperbolic ladder operators, which are identical (up to factors) to (26): L\u00b1 j No. 4/2011 Table 1: The action of hyperbolic ladder operators on a 2D lattice of eigenspaces.", "mime": "application/pdf"}, {"id": "ap-1404", "words": "2843", "extension": ".pdf", "flesch": "68", "author": "Kotvytskiy, A. T.; Kruchkov, D. V.", "title": "Dynamical Symmetry Breaking in RN Quantum Gravity", "date": "2011", "keywords": "background; breaking; metric; quantum; symmetry", "summary": "Then,\u221a \u2212g\u0303 \ufffd \u221a \u2212g \u2212 h\u03bc\u03bdK\u03bc\u03bd \u2212 h\u03bc\u03bdh\u03b1\u03b2F\u03bc\u03bd\u03b1\u03b2 \ufffd \u221a \u2212g \u2212 h\u03bc\u03bdK\u03bc\u03bd + h\u03bc\u03bdh\u03b1\u03b2F\u03bc\u03bd\u03b1\u03b2 2 \u221a\u2212g \u2212 (24) (h\u03bc\u03bdK\u03bc\u03bd)2 8 \u221a \u2212g3 . Then, for the scalar curvature we get R = g\u03bc\u03bdR\u03bc\u03bd \ufffd 1 2 ( \u03b7\u03bc\u03bd \u2212 h\u03bc\u03bd + h\u03bc\u03c1h\u03bd \u03c1 ) \u00d7 (13)( \u2202\u03b1\u2202\u03bch\u03b1 \u03bd \u2212 \u2202\u03b1\u2202\u03b1h\u03bc\u03bd \u2212 \u2202\u03bc\u2202\u03bdh + \u2202\u03b1\u2202\u03bdh\u03b1 \u03bc + O(h2) )", "mime": "application/pdf"}, {"id": "ap-1406", "words": "4259", "extension": ".pdf", "flesch": "78", "author": "Mas\u00e1kov\u00e1, Z.; Pelantov\u00e1, E.", "title": "Ito-Sadahiro numbers vs. Parry numbers", "date": "2011", "keywords": "ito; number; sadahiro", "summary": "= (\u2212x)m+1 p\u22121\u2211 i=0 (\u2212x)i + ( (\u2212x)p \u2212 1 ) (x \u2212 \u03b2) \u00b7 m\u2211 i=2 Ti\u22121(\u2212x)m\u2212i + (10) (x \u2212 \u03b2) p\u2211 i=1 Tm+i\u22121(\u2212x)p\u2212i \u2212( (\u2212x)p \u2212 1 ) \u03b2T0(\u2212x)m\u22121 + Tm \u2212 Tm+p . First realize that Tm \u2212 Tm+p = 0, since d\u2212\u03b2(l\u03b2) is eventually periodic with a preperiod of length m and a period of length p. We call such numbers \u03b2 Ito-Sadahiro numbers, and we compare their properties with those of Parry numbers, which occur in the same context for the Re\u0301nyi positive base numeration system.", "mime": "application/pdf"}, {"id": "ap-1408", "words": "6681", "extension": ".pdf", "flesch": "84", "author": "Paseka, J.; Janda, J.", "title": "More on PT-Symmetry in (Generalized) Effect Algebras and Partial Groups", "date": "2011", "keywords": "d(a", "summary": "We then have A + B = A + C. It follows again by (Gii) that C/D(A) is bounded and B/D(A) + y = y + x,", "mime": "application/pdf"}, {"id": "ap-1410", "words": "4267", "extension": ".pdf", "flesch": "80", "author": "Rie\u010danov\u00e1, Z.; Zajac, M.", "title": "Extensions of Effect Algebra Operations", "date": "2011", "keywords": "effect", "summary": "Our main goal is to study the prop- erties of sub-generalized effect algebras and effect al- gebras being intervals in V(H) if V(H) is equipped with two different partial sums such that one of them is an extension of the other. Keywords: generalized effect algebra, effect algebra, Hilbert space, densely defined linear operators, extension of operations.", "mime": "application/pdf"}, {"id": "ap-1412", "words": "3509", "extension": ".pdf", "flesch": "75", "author": "Rie\u010danov\u00e1, Z.", "title": "Effect Algebras of Positive Self-adjoint Operators Densely Defined on Hilbert Spaces", "date": "2011", "keywords": "effect", "summary": "No. 4/2011 of operators A, B at least one is bounded and then A \u2295 B = A + B is the usual sum of operators in H. Then (F(H);\u2295, 0) is a generalized effect algebra. Moreover, A\u2295B (for A, B \u2208 V(H)) and A \u2295S B (for A, B \u2208 Sp(H)) coincide with the usual sum of operators A, B when at least one of them is bounded.", "mime": "application/pdf"}, {"id": "ap-1414", "words": "4786", "extension": ".pdf", "flesch": "70", "author": "Rivers, R. J.", "title": "Path Integrals for (Complex) Classical and Quantum Mechanics", "date": "2011", "keywords": "complex; mechanics; phase; phys; quantum; space", "summary": "For reasons that will rapidly become clear, we shall initially restrict ourselves to Hermitian Hamil- tonians, even though part of the original motivation for considering complex phase space was to accom- modate pseudo-Hermitian Hamiltonians which, by virtue of PT-symmetry, had real spectra. We now consider complex phase space, repeating the analysis of Smilga [18], taking the complex extension of the real phase-space as x \u2192 Z = x + iy, p", "mime": "application/pdf"}, {"id": "ap-1416", "words": "2455", "extension": ".pdf", "flesch": "71", "author": "Shapiro, B.; Tater, M.", "title": "Polynomial Solutions of the Heun Equation", "date": "2011", "keywords": "polynomials; roots; stieltjes; van", "summary": "The thick black dots mark the roots of Q, the green dots mark the roots of Van Vleck polynomials. Figure 3 suggests that the asymptotic root distribution of Van Vleck polynomials has a more complicated structure than before.", "mime": "application/pdf"}, {"id": "ap-1418", "words": "4226", "extension": ".pdf", "flesch": "59", "author": "Wunner, G.; Cartarius, H.; Koeberle, P.; Main, J.; Rau, S.", "title": "Exceptional Points for Nonlinear Schroedinger Equations Describing Bose-Einstein Condensates of Ultracold Atomic Gases", "date": "2011", "keywords": "bifurcation; condensates; energy; equation; field; interaction; scattering", "summary": "Typically, in these condensates the exceptional points are also found to be bifurcation points in parameter space. It can appear, e.g., for resonances in open systems, with complex energy eigenvalues.", "mime": "application/pdf"}, {"id": "ap-1420", "words": "5877", "extension": ".pdf", "flesch": "69", "author": "Znojil, M.", "title": "The Horizons of Observability in PT-symmetric Four-site Quantum Lattices", "date": "2011", "keywords": "domain; figure; vol", "summary": "= { (a, b, c) \u2208 R3 |W (a, b, c) > 0 , (3) Q(a, b, c) > 0 , P (a, b, c) > 0 } where W (a, b, c) = ( 8 + c2 \u2212 a2 )2 \u2212 (4) 4 [ 16 \u2212 (a + c)2 ] b2 , Q(a, b, c) = [ (a + 3)(c \u2212 1) \u2212 b2 ] \u00b7 (5)[ (a \u2212 3)(c + 1) \u2212 b2 ] and P (a, b, c) = 10 \u2212 a2 \u2212 2 b2 \u2212 c2 . As long as the \u20133 \u20132 \u20131 0 1 2 3 c \u20133 \u20132 \u20131 0 1 2 3 a Fig. 4: The degenerate case of the simply connected rec- tangular domain D(H) at b = 0 \u20132 \u20131 0 1 2 b \u20133 \u20132 \u20131 0 1 2 3 a Fig. 5: The triply connected nature of the triple-overlap domain D(H) for the quantum lattice of Figure 2 at c = 0 (i.e., in the no-central-coupling extreme) 106 Acta Polytechnica Vol. 51 No. 4/2011 condition Q(a, b, 0) > 0 degenerates to the elemen- tary constraint 3 + b2 > a > \u22123 \u2212 b2 just the left and right small horizontal-parabolic seg- ments (with their extreme at b = 0 and |amax| = 3) should be cut out of the elliptic domain with P (a, b, 0) > 0 as inadmissible since Q(a, b, 0) < 0 there.", "mime": "application/pdf"}, {"id": "ap-1422", "words": "3305", "extension": ".pdf", "flesch": "68", "author": "Barto\u0161ek, J.", "title": "A Pitch Detection Algorithm for Continuous Speech Signals Using Viterbi Traceback with Temporal Forgetting", "date": "2011", "keywords": "algorithm; difference; frequency; function; pitch; results; speech; time", "summary": "Secondly, temporal forgetting is applied in order to avoid penalizing pitch jumps after prosodic pauses of one speaker or changes in pitch connected with turn-taking in dialogs. Evaluation of pitch detection algorithms in adverse conditions.", "mime": "application/pdf"}, {"id": "ap-1424", "words": "2104", "extension": ".pdf", "flesch": "68", "author": "Brejcha, M.", "title": "A Wideband Low-Pass Filter for Differential Mode Distortion", "date": "2011", "keywords": "filter; frequency; section", "summary": "Keywords: filter, filtering, low-pass, wideband, EMC, differential mode. Passive, Active and Digi- tal Filters.", "mime": "application/pdf"}, {"id": "ap-1426", "words": "3516", "extension": ".pdf", "flesch": "58", "author": "Brueser, Ch.", "title": "Unobtrusive Non-Contact Detection of Arrhythmias using a \u201cSmart\u201d Bed", "date": "2011", "keywords": "arrhythmias; bcg; bed; ecg; heart; sensor; signal; study; system; vol", "summary": "Our work prepares the way for future research on fully automatic algorithms for detecting arrhyth- mias in BCG signals. [9, 10] as well as optical de- vices [11], BCG systems have been integrated into objects of daily life, such as beds [4\u201312], chairs", "mime": "application/pdf"}, {"id": "ap-1428", "words": "4740", "extension": ".pdf", "flesch": "58", "author": "\u010cern\u00fd, V.", "title": "Topology Control with Anisotropic and Sector Turning Antennas in Ad-hoc and Sensor Networks", "date": "2011", "keywords": "antenna; distribution; interference; network; nodes; power; radiation; sector", "summary": "Keywords: ad-hoc network simulation, interference, antenna radiation patterns, mobile network simulation, Omnet++, topology control, interference, sector antennas, rotating antennas, wireless networks, anisotropic antennas, sensor net- works. 70\u25e6 (0x), G1 = 2 dBi, G2 = 4 dBi, G3 = 8 dBi, G4 = 16 dBi, G5 = 20 dBi a) Exponential node chain and solution to have lower interference: introduction of auxiliary nodes b) Solution with sector antennas: no auxiliary nodes required, zero additional interference.", "mime": "application/pdf"}, {"id": "ap-1430", "words": "3255", "extension": ".pdf", "flesch": "74", "author": "Drnek, K.", "title": "Prague\u2019s Water Supply Station in Podol\u00ed \u2014 a Solution for the Problems of Clean Water in the 1930s", "date": "2011", "keywords": "filters; plant; prague; water; water plant", "summary": "Water supply plant in Podol\u0301\u0131 and Anton\u0301\u0131n Engel. His answer to the growing needs for more water was to build dual water pipelines to Prague, and to build more water plants to collect more water.", "mime": "application/pdf"}, {"id": "ap-1432", "words": "2914", "extension": ".pdf", "flesch": "63", "author": "Faltin, P.; Chaisaowong, K.", "title": "3D Surface-based Detection of Pleural Thickenings", "date": "2011", "keywords": "convex; hull; lung; thickenings", "summary": "To evaluate the results, we measure both the totally de- tected volume of all thickenings, and the number of detected thickenings, for each patient. It evolves from pleural thickenings which are a typical long-term effect of asbestos exposure.", "mime": "application/pdf"}, {"id": "ap-1434", "words": "1086", "extension": ".pdf", "flesch": "52", "author": "Ficker, T.", "title": "Surface Morphology of Porous Cementitious Materials Subjected to Fast Dynamic Fractures", "date": "2011", "keywords": "cement; fracture; surface", "summary": "References [1] Ficker, T., Marti\u030csek, D., Jennings, H. M.: Rough- ness of fracture surfaces and compressive strength of hydrated cement pastes, Cem. Concr. Keywords: 3D profile analysis, fracture surfaces, cement-based materials, confocal microscopy.", "mime": "application/pdf"}, {"id": "ap-1436", "words": "5147", "extension": ".pdf", "flesch": "55", "author": "Gruenwald, O.", "title": "Introduction to Modeling of Buying Decisions", "date": "2011", "keywords": "customer; model; needs; product; requirements; respondents; satisfaction", "summary": "Question C of requirement No. 9 \u2014 How satisfied are you with the spaces for parking? The first category of needs in the model comprises mandatory must-be requirements.", "mime": "application/pdf"}, {"id": "ap-1438", "words": "3258", "extension": ".pdf", "flesch": "54", "author": "Hekrdla, M.", "title": "Numerically Optimized Uniformly Most Powerful Alphabets for Hierarchical-Decode-and-Forward Two-Way Relaying", "date": "2011", "keywords": "alphabets; channel; network; optimization; ump; wireless", "summary": "[9] ||sk \u2212 sm||2 + |\u03b1|2||sl \u2212 sn||2\u2212 (4) 2|\u03b1| |\u3008sk \u2212 sm, sl \u2212 sn\u3009| \u2265 |\u03b1|2\u03b42min, for k \ufffd= m, l \ufffd= n, k \u2295 l \ufffd= m \u2295 n and \u2200\u03b1 \u2208 C, |\u03b1| \u2264 1. 3 Design of UMP Alphabets In contrast to [9], where UMP frequency-modulation alphabets have been designed, we face a problem of general UMP alphabet design with a natural unit mean symbol energy constraint, \u03b5\u0304 = 1 Md Md\u22121\u2211 i=0 ||si||2. In contrast to Rayleigh fading, it is prefer- able to use UMP alphabets even at the price of lower \u03b42min in the Rician fading channel (here the Rician factor K = 10dB).", "mime": "application/pdf"}, {"id": "ap-1440", "words": "2628", "extension": ".pdf", "flesch": "62", "author": "Krej\u010d\u00ed, R.", "title": "PhpHMM Tool for Generating Speech Recogniser Source Codes Using Web Technologies", "date": "2011", "keywords": "code; data; optimisation; recogniser; speech; tool", "summary": "About the author Robert Krejc\u030c\u0301\u0131 deals with digital signal processing and speech recognition focusing on optimisation of speech recogniser algorithms for systems with limited hardware resources. 2: Graphically expressed database structure for speech model 2.5 Selection of hardware platform We work on optimizing algorithms of speech recognis- ers for platforms of multi-core digital signal proces- sors of the TMS320C6000 family from Texas Instru- ments.", "mime": "application/pdf"}, {"id": "ap-1442", "words": "2655", "extension": ".pdf", "flesch": "66", "author": "K\u0159\u00ed\u017e, R.", "title": "Chaos in GDP", "date": "2011", "keywords": "exponent; gdp; phase; space; system; time", "summary": "Hurst exponent H is directly related to fractal di- mension D, because the maximum fractal dimension for a planar tracing is 2: D +H = 2 (8) 2.4 Correlation dimension Correlation dimension (DC) describes the dimension- ality of the underlying process in relation to its ge- ometrical reconstruction in phase space. [9] Alligood, T. K., Sauer, D. T., Yorke, J. A.: CHAOS an introduction to dynamical systems.", "mime": "application/pdf"}, {"id": "ap-1444", "words": "3332", "extension": ".pdf", "flesch": "55", "author": "Kunkemoeller, M.; Dietrich, P.; Pollow, M.", "title": "Synthesis of Room Impulse Responses for Variable Source Characteristics", "date": "2011", "keywords": "array; loudspeaker; measurement; method; radiation; responses; room; synthesis", "summary": "This motivates a measurement method that is capable of obtaining room impulse responses for these specific radiation patterns by using a superposition approach of several measurements with technically well-defined sound sources. Keywords: spherical harmonics, adjustable source directivity, room impulse response, linear room acoustics.", "mime": "application/pdf"}, {"id": "ap-1446", "words": "2358", "extension": ".pdf", "flesch": "65", "author": "Obreja, R.; Edu, I. R.", "title": "Limited Angle Torque Motors Having High Torque Density, Used in Accurate Drive Systems", "date": "2011", "keywords": "density; diagram; fig; flux", "summary": "Keywords: limited angle torque motor, finite element method, high performance, pancake, direct drive. A limited angle torque motor with a large air-gap In the situation of torque motors with a large air-gap, it is found that the magnetic field generates only the 4 main poles very accurately, because the field lines may not close in the neutral area of the poles directly between the magnets and the soft magnetic material of the rotor, due the dimensions of the air-gap.", "mime": "application/pdf"}, {"id": "ap-1448", "words": "3106", "extension": ".pdf", "flesch": "57", "author": "Petr\u00e1k, V.; Kruck\u00fd, J.; Vl\u010dkov\u00e1, M.", "title": "Boron Doped Nanocrystalline Diamond Films for Biosensing Applications", "date": "2011", "keywords": "diamond; disruption; impedance; lipid; membrane; ncd; surface", "summary": "Elec- trochemical Impedance Spectroscopy (EIS) was used to study in situ changes related to lipid membrane formation and disruption by peptide-induced interactions. In past decades, lipid membranes on a solid substrate have attracted considerable inter- est, from the point of view of both fundamental and applied science.", "mime": "application/pdf"}, {"id": "ap-1450", "words": "2644", "extension": ".pdf", "flesch": "57", "author": "Petr\u00e1kov\u00e1, V.", "title": "Optical Detection of Charged Biomolecules: Towards Novel Drug Delivery Systems", "date": "2011", "keywords": "luminescence; molecules; polymers; surface; vol", "summary": "When comparing the effects observed on fluori- nated ND with the effects on oxidized ND, we find that the effect is much stronger for fluorinated ND. In our work, we study how surface modification of ND can change the color of ND luminescence (PL).", "mime": "application/pdf"}, {"id": "ap-1452", "words": "6393", "extension": ".pdf", "flesch": "62", "author": "Safan, M. A.", "title": "Performance of Beams Made of Low-cost Self-compacting Concrete in an Aggressive Environment", "date": "2011", "keywords": "ash; beams; cement; concrete; corrosion; fly; fume; load; mixes; scc; silica; test", "summary": "Ductility index and ultimate loads recorded for test beams control beams beams in a corrosive environment beam ultimate load, deflection, mm ductility beam ultimate load, deflection, mm ductility kN \u0394y b \u0394u b index kN \u0394y b \u0394u b index B1 59.6 (1.00)a 2.66 18.58 7.0 B1C 55.0 (0.92) 3.59 10.38 2.9 B2 53.1 (0.89) 3.14 9.98 3.2 B2C 50.4 (0.85) 3.21 7.12 2.2 B3 52.0 (0.87) 3.17 7.17 2.3 B3C 48.7 (0.82) 3.55 7.05 2.0 B4 54.8 (0.92) 3.00 13.8 4.6 B4C 52.3 (0.89) 2.88 9.70 3.4 B5 52.2 (0.88) 2.95 15.00 5.1 B5C 49.1 (0.82) 3.03 8.96 3.0 B6 53.0 (0.89) 2.75 17.00 6.2 B6C 51.7 (0.87) 3.94 8.54 2.2 B7 50.8 (0.85) 2.77 15.05 5.4 B7C 49.3 (0.83) 3.86 8.9 2.3 a ( ) : ultimate load as a fraction of the ultimate load of the control beam (B1) b \u0394y,\u0394u: mid-span deflection at yield and ultimate load, respectively (a) beams in Corrosive environment (b) control beams Fig. 7: 3 Experimental study The experimental work included the manufacture of two sets of test beams.", "mime": "application/pdf"}, {"id": "ap-1454", "words": "3373", "extension": ".pdf", "flesch": "56", "author": "Schlebusch, T.", "title": "Unobtrusive Health Screening on an Intelligent Toilet Seat", "date": "2011", "keywords": "bis; body; ecg; electrodes; measurement; seat; toilet; toilet seat; vol", "summary": "Keywords: monitoring of vital parameters, personal healthcare, ambient assisted living, electrocardiogram, bioimpe- dance, toilet seat. 6: Comparison of toilet seat ECG with conventional lead 1 a) typical male b) typical female Fig. 7: Weight distribution on a toilet seat 4.2 ECG measurement An example of an ECG measurement is shown in Fi- gure 6.", "mime": "application/pdf"}, {"id": "ap-1456", "words": "3299", "extension": ".pdf", "flesch": "57", "author": "Schommartz, A.; Eilebrecht, B.; Wartzek, T.; Walter, M.; Leonhardt, S.", "title": "Advances in Modern Capacitive ECG Systems for Continuous Cardiovascular Monitoring", "date": "2011", "keywords": "aachen; cecg; ecg; electrodes; engineering; germany; measurements; system; vol", "summary": "[10] Aleksandrowicz, A., Leonhardt, S.: Wireless and non-contact ECG measurement system \u2014 the Aachen SmartChair. This principle can also achieve interference reduction in capacitive ECG measurements.", "mime": "application/pdf"}, {"id": "ap-1458", "words": "2615", "extension": ".pdf", "flesch": "53", "author": "Ulbrich, M.; Schauermann, A.; Leonhardt, S.", "title": "The Influence of Heart and Lung Dynamics on the Impedance Cardiogram \u2014 A Simulative Analysis", "date": "2011", "keywords": "heart; icg; impedance; lung; model; signal; vol", "summary": "4: Simulation model and current density results All simulations have been calculated on a per- sonal computer with a 64 bit operating system, an IntelR\u00a9XeonR\u00a9 5 240 processor with 2 cores and 24 GB RAM. Another pos- sible reason for this is that processes in the human body during ICG measurements are widely unknown.", "mime": "application/pdf"}, {"id": "ap-1460", "words": "4255", "extension": ".pdf", "flesch": "58", "author": "Vecka, J.", "title": "Impacts of New EU and Czech Environmental Legislation on Heat and Electricity Prices of Combined Heat and Power Sources in the Czech Republic", "date": "2011", "keywords": "allocation; directive; emission; free; heat; new; price", "summary": "Table 2: Pollution fees \u2014 current and proposed in CZK per ton Pollutant Dust SOx NOx VOC Current 3 000 1 000 800 2 000 2012\u20132016 4 200 1 350 1 100 2 700 2017 6 300 2 100 1 700 4 200 2018 8 400 2 800 2 200 5 600 2019 10 500 3 500 2 800 7 000 2020 12 600 4 200 3 300 8 400 2021 14 700 4 900 3 900 9 800 2022 and further 29 400 9 800 7 800 19 600 3 Future of heat prices in the Czech Republic after 2012 In the respect of emission trading, I have focused on the third exception (free allocation of allowances for district heating), which is crucial for my eco- nomic model. In the case of heat prices, there will be no direct impact on costs or revenues for these com- panies because of the heat price structure (regulated by the Energy Regulatory Office).", "mime": "application/pdf"}, {"id": "ap-1462", "words": "1770", "extension": ".pdf", "flesch": "62", "author": "Anisimova, E.; P\u00e1ta, P.; Bla\u017eek, M.", "title": "Stellar Object Detection Using the Wavelet Transform", "date": "2011", "keywords": "catalog; image; transform; wavelet", "summary": "Keywords: stellar object detection, wavelet transform. \u2022 Subtracting S1 of S0, we get wavelet coefficients for the first decomposition level corresponding to the smallest details W1 = S0 \u2212 S1.", "mime": "application/pdf"}, {"id": "ap-1464", "words": "2545", "extension": ".pdf", "flesch": "69", "author": "G\u00e1lis, R.; Hric, L.; Kundra, E.; M\u00fcnz, F.", "title": "Cataclysmic Variables \u2014 X-rays and Optical Activity in V1223 Sgr and V709 Cas", "date": "2011", "keywords": "band; data; integral; ips; kev; ray", "summary": "Typically, soft X-ray modulations were observed in the orbital period, in spin period of WD, or a beat between the two in IPs. 2.1 Intermediate polar V1223 Sgr IP V1223Sgr is a bright X-ray source (4U 1849-31) with possible X-ray flare activity.", "mime": "application/pdf"}, {"id": "ap-1466", "words": "1393", "extension": ".pdf", "flesch": "69", "author": "H\u00f6lzl, J.; Wilms, J.; Kreykenbohm, I.; Schmid, Ch.; Grossberger, Ch.; Wille, M.; Eikmann, W.; Brand, T.", "title": "Observing Galaxy Clusters with eROSITA: Simulations", "date": "2011", "keywords": "clusters; function; galaxy; mass; redshift; simulation", "summary": "A main objective of the survey is to observe galaxy clusters in order to constrain cosmological parameters and to obtain further knowledge about dark matter and dark energy. For the simulation of the eROSITA survey we present a Monte-Carlo code generating a mock catalogue of galaxy clusters distributed according to the mass function of [1].", "mime": "application/pdf"}, {"id": "ap-1468", "words": "5195", "extension": ".pdf", "flesch": "60", "author": "Hudec, R.; Bla\u017eek, M.; Hudcov\u00e1, V.", "title": "Czech Participation in INTEGRAL: 1996\u20132011", "date": "2011", "keywords": "cvs; czech; data; ibis; integral; isdc; objects; omc; optical; ray; rts2", "summary": "In this paper, we deal with examples of observa- tions and analyses of INTEGRAL data with Czech participation, focusing on two categories of objects, namely cataclysmic variables (CVs) and blazars. In addition, we have worked on transferring ISDC s/w packages, further development of tools for effec- tive and interactive scientific analyses and the use of INTEGRAL data, further improving the quality of astrometry and photometry, and on operating the second (local) ISDC center/office (Ondrejov Integral Data Center, OIDC) at the Ondrejov Astronomical Institute, enabling the astronomical community in the Czech Republic and in Central and East Europe to participate in scientific activities related to IN- TEGRAL, data evaluation, data archiving, and in- terpretation.", "mime": "application/pdf"}, {"id": "ap-1470", "words": "4006", "extension": ".pdf", "flesch": "60", "author": "Hudec, R.; P\u00edna, L.; Mar\u0161\u00edkov\u00e1, V.; Inneman, A.; Skulinov\u00e1, M.; M\u00edka, M.", "title": "Czech Contribution to Athena", "date": "2011", "keywords": "athena; czech; glass; optics; ray; wafers", "summary": "1 Introduction Design and development of X-ray optics have a long tradition in the Czech Republic (e.g. Hudec et al., 1991, 1999, 2000, 2001, Inneman et al. 1999, 2000). However, the application of this technology in X-ray optics is re- lated to the need to improve accuracy significantly and minimize errors.", "mime": "application/pdf"}, {"id": "ap-1472", "words": "2134", "extension": ".pdf", "flesch": "67", "author": "Lewandowska, N.; Els\u00e4esser, D.; Mannheim, K.", "title": "Search for a Correlation Between Radio Giant Pulses and VHE Photons of the Crab Pulsar", "date": "2011", "keywords": "gps; pulsar; radio; vol", "summary": "Currently, no universal model is available for Crab radio GPs, since the Lyutikov model is only applicable to GIPs above 4 GHz, where the P2 com- ponent changes in its position by 10 degrees [1]. Within the framework of this report we give a review on radio GPs and present a new idea on how to examine the characteristics of this as yet not understood kind of pulsar emission.", "mime": "application/pdf"}, {"id": "ap-1474", "words": "1586", "extension": ".pdf", "flesch": "72", "author": "Litzinger, E.; Pottschmidt, K.; Wilms, J.; Suchy, S.; Rothschild, R. E.; Kreykenbohm, I.", "title": "Monitoring PSR B1509\u201358 with RXTE: Spectral analysis 1996\u20132010", "date": "2011", "keywords": "epoch; kev; phase; pulse; spectra", "summary": "Spectral analysis 1996\u20132010 E. Litzinger, K. Pottschmidt, J. Wilms, S. Suchy, R. E. Rothschild, I. Kreykenbohm Abstract We present an analysis of the X-ray spectra of the young, Crab-like pulsar PSR B1509\u201358 (pulse period P \u223c 151ms) observed by RXTE over 14 years since the beginning of the mission in 1996. Keywords: pulsars: individual (PSR B1509\u201358) \u2014 stars: neutron \u2014 X-rays: stars.", "mime": "application/pdf"}, {"id": "ap-1476", "words": "1580", "extension": ".pdf", "flesch": "59", "author": "Meddi, F.; Ambrosino, F.; Rossi, C.; Nesci, R.; Sclavi, S.; Ruggieri, A.; Sestito, S.; Bruni, I.; Gualandi, R.", "title": "A New Fast Silicon Photomultiplier Photometer", "date": "2011", "keywords": "crab; data; pulsar; signal; telescope", "summary": "5: Power Spectra of the Crab Pulsar signal detected by MPPC0 (upper) and P3E0 (lower) Fig. 6: Crab Pulsar light curves folded by \u201cefold\u201d for MPPC0 (upper) and P3E0 (lower) 3 Observational test: the Crab Pulsar On February 5, 2011 we observed the Crab Pulsar for 3 300 seconds with 0.55 ms (P3E0) and 1 ms (MPPC0) sampling in good photometric conditions (seeing \u223c 1.5 arcsec).", "mime": "application/pdf"}, {"id": "ap-1478", "words": "1829", "extension": ".pdf", "flesch": "74", "author": "M\u00e9sz\u00e1ros, A.; \u0158\u00edpa, J.; Ryde, F.", "title": "A Crazy Question: Can Apparently Brighter Gamma-ray Bursts Be Farther Away?", "date": "2011", "keywords": "grbs; redshifts", "summary": "The relationship shows that apparently fainter bursts need not, in general, lie at larger redshifts. It is a standard cosmological behaviour that for small z\u2019s (z \ufffd 0.1) dl(z) \u221d z, and for large redshifts lim z\u2192\u221e dl(z) 1 + z = finite positive number for any Ho, \u03a9M , \u03a9\u039b", "mime": "application/pdf"}, {"id": "ap-1480", "words": "1732", "extension": ".pdf", "flesch": "70", "author": "Obst, M.; Pottschmidt, K.; Lohfink, A.; Wilms, J.; B\u00f6ck, M.; Smith, D. M.; Tomsick, J. A.; Kreykenbohm, I.", "title": "GRS 1758\u2013258: RXTE Monitoring of a Rare Persistent Hard State Black Hole", "date": "2011", "keywords": "black; rxte; state", "summary": "[10] Reid, M. J., McClintock, J. E., Narayan, R., et al.: 2011, arXiv:1106.3688. Typical hard state fluxes after taking into account the Galactic ridge emission are 0.2\u20130.4 keV s\u22121 cm\u22122.", "mime": "application/pdf"}, {"id": "ap-1482", "words": "1297", "extension": ".pdf", "flesch": "56", "author": "P\u00e1ta, P.", "title": "Influence of the Lossy Compression JPEG2000 standard on the Deformation of PSF", "date": "2011", "keywords": "compression; function; image; system", "summary": "Image compression based on the wavelet transform is nowadays very popular because of its nice properties. Keywords: Astronomical lossy image compression, PSF deformation, Astronomical Context Coder (ACC), JPEG 2000.", "mime": "application/pdf"}, {"id": "ap-1484", "words": "1847", "extension": ".pdf", "flesch": "60", "author": "Piotrowski, L. W.; Zarnecki, A. F.", "title": "Analysis and Simulation of the Pi of the Sky Detector Response", "date": "2011", "keywords": "frame; model; pixel; psf; sky", "summary": "5: Left: Comparison of the position determination accuracy from polynomial model profile astrometry and from ASAS aperture astrometry, for stars brighter than 9m; Right: 2 Laboratory measurements and modelling The derivation of a PSF requires a star profile with sub-pixel resolution, which can be obtained from a superposition of single star images.", "mime": "application/pdf"}, {"id": "ap-1486", "words": "1712", "extension": ".pdf", "flesch": "53", "author": "Roh\u00e1\u010d, J.; \u0158e\u0159\u00e1bek, M.; Hudec, R.", "title": "Multi-functional star tracker \u2014 future perspectives", "date": "2011", "keywords": "attitude; fov; image; star; systems; wfst", "summary": "Various attitude reference sources can be used for obtaining attitude information, e.g. Earth horizon sensors, which can be directed towards the Sun, Moon, or other planets and stars, Sun sensors, magnetometers, and star trackers (STs). They provide very precise information about the attitude in space according to consecutive evaluation of star positions.", "mime": "application/pdf"}, {"id": "ap-1488", "words": "1898", "extension": ".pdf", "flesch": "60", "author": "Siudek, M.; Batsch, T.; Castro-Tirado, A. J.; Czyrkowski, H.; Cwiok, M.; Dabrowski, R.; Jel\u00ednek, M.; Kasprowicz, G.; Majcher, A.; Majczyna, A.; Malek, K.; Mankiewicz, L.; Nawrocki, K.; Opiela, R.; Piotrowski, L. W.; Sokolowski, M.; Wawrzaszek, R.; Wrochna, G.; Zaremba, M.", "title": "Pi of the Sky Telescopes in Spain and Chile", "date": "2011", "keywords": "cameras; detector; prototype; sky; system; warsaw", "summary": "The prototype is equipped with two custom-designed 442A 2 048 \u00d7 2 048 CCD cameras equipped with Canon telephoto lenses with focal length f = 85 cm, f/d = 1.2 and covering a 20\u25e6\u00d720\u25e6 field of view. 4: Mount design with 2 CCD cameras (prototype in Chile)(left) and for 4 CCD cameras (new detector unit in Spain)", "mime": "application/pdf"}, {"id": "ap-1490", "words": "1757", "extension": ".pdf", "flesch": "56", "author": "Siudek, M.; Malek, K.; Mankiewicz, L.; Opiela, R.; Sokolowski, M.; Zarnecki, A. F.", "title": "Photometric Analysis of the Pi of the Sky Data", "date": "2011", "keywords": "measurements; photometry; sky; stars", "summary": "No. 6/2011 Photometric Analysis of the Pi of the Sky Data M. Siudek, K. Malek, L. Mankiewicz, R. Opiela, M. Sokolowski, A. F. Z\u0307arnecki Abstract A database containing star measurements from the period 2006\u20132009 taken by the Pi of the Sky detector located in Las Campanas Observatory in Chile contains more than 2 billion measurements of almost 17 million objects. 1: Precision dispersion of star brightness measurements from standard photometry for 200s exposures (20 coad- ded frames) from the Pi of the Sky prototype at the Las Campanas Observatory in Chile.", "mime": "application/pdf"}, {"id": "ap-1492", "words": "2191", "extension": ".pdf", "flesch": "62", "author": "\u0160v\u00e9da, L.; Landov\u00e1a, M.; M\u00edka, M.; P\u00edna, L.; Havl\u00edkov\u00e1, R.; Mar\u0161\u00edkov\u00e1, V.", "title": "Thermal Forming of Glass \u2014 Experiment vs. Simulation", "date": "2011", "keywords": "data; forming; glass; process; temperature", "summary": "[3] Chen, Y.: Thermal forming process for precision freeform optical mirrors and micro glass optics, PhD thesis, The Ohio State University, 2010. Independent temperature measurements in- side the furnace for greater precision will be per- formed.", "mime": "application/pdf"}, {"id": "ap-1494", "words": "5872", "extension": ".pdf", "flesch": "73", "author": "Valtonen, M.; Sillanp\u00e4\u00e4, A.", "title": "2005\u20132010 Multiwavelength Campaing of OJ287", "date": "2011", "keywords": "astrophys; binary; jet; model; oj287; outburst; ref; valtonen", "summary": "[8] Valtonen, M. J.: Workshop on Two Years of In- tensive Monitoring of OJ 287 and 3C66A, Pro- ceedings of the meeting held in Oxford. [9] Lehto, H. J., Valtonen, M. J.: Astrophys.", "mime": "application/pdf"}, {"id": "ap-1496", "words": "2124", "extension": ".pdf", "flesch": "64", "author": "Bagoly, Z.; Veres, P.; Horv\u00e1th, I.; M\u00e9sz\u00e1ros, A.; Bal\u00e1zs, L. G.", "title": "On the Relation Between GRB Classes and X-ray Flashes", "date": "2012", "keywords": "bursts; duration; flashes; model; ray", "summary": "The observational properties show that intermediate bursts are the softest among the three groups, meaning that their emission is concentrated to low-energy bands. The model has the following three components with equal stan- 1http://cran.r-project.org 7 Acta Polytechnica Vol. 52 No. 1/2012 Table 1: Bivariate model parameters for the best-fitted (EEI) model.", "mime": "application/pdf"}, {"id": "ap-1498", "words": "4790", "extension": ".pdf", "flesch": "69", "author": "Giovannelli, F.; Sabau-Graziati, L.", "title": "The Intriguing Nature of the Cataclysmic Variable SS Cygni", "date": "2012", "keywords": "cvs; cyg; dwarf; et al; giovannelli; ss cyg; white", "summary": "Martinez-Pais et al. also determined that the optical companion of SS Cyg system is a K2\u2013K3 late-type star. However, they cannot fit SS Cyg data by a simple model as white dwarf plus accretion disk.", "mime": "application/pdf"}, {"id": "ap-1500", "words": "2530", "extension": ".pdf", "flesch": "67", "author": "Grossberger, C.; Kadler, M.; Wilms, J.; M\u00fcller, C.; Beuchert, T.; Ros, E.; Ojha, R.; Aller, M.; Aller, H.; Angelakis, E.; Fuhrmann, L.; Nestoras, I.; Schmidt, R.; Zensus, J. A.; Krichbaum, T. P.; Ungerechts, H.; Sievers, A.; Riquelme, D.", "title": "Structural Variability of 3C 111 on Parsec Scales", "date": "2012", "keywords": "component; density; flux; outburst; radio", "summary": "4 Summary In this paper, the ejection of new jet components on parsec scales were associated with a major flux density outburst of 3C 111 in 2007. It was shown that the major flux density outburst can be asso- ciated with the ejection of a primary jet component and secondary component.", "mime": "application/pdf"}, {"id": "ap-1502", "words": "1910", "extension": ".pdf", "flesch": "57", "author": "Hudec, R.; Kopel, F.; Krapp, P.; Heber, U.; Cay\u00e9, W.", "title": "The Optical Transient Search in the Bamberg Southern Sky Survey: Preliminary Results", "date": "2012", "keywords": "bamberg; observatory; patrol; plates; sky", "summary": "The cluster of sky patrol photographic cameras operated in the Boyden Observatory, South Africa, by the Bamberg Observatory. Here we report on an extended study based on blink-comparison of 5004 Bamberg Observatory Southern Sky Patrol Plates performed within a student high school project (Jugend Forscht).", "mime": "application/pdf"}, {"id": "ap-1504", "words": "3705", "extension": ".pdf", "flesch": "58", "author": "Hudec, R.; Hudec, L.; Kl\u00edma, M.", "title": "Ultra Low Dispersion Spectroscopy with Gaia and Astronomical Slitless Surveys", "date": "2012", "keywords": "data; dispersion; gaia; lds; plates; prism; spectra", "summary": "The motivation for studies comparing these two databases is as follows: (1) A comparison of the sim- ulated Gaia BP/RP images with those obtained from digitized Schmidt spectral plates (both using disper- sive elements) for 8 selected test fields, and (2) A fea- sibility study for application for the algorithms devel- oped for the plates for Gaia. Variability studies based on low dispersion spec- tra are expected to provide unique novel data, and can use the algorithms recently developed for auto- matic analyses of digitized spectral Schmidt plates.", "mime": "application/pdf"}, {"id": "ap-1506", "words": "2599", "extension": ".pdf", "flesch": "75", "author": "Jel\u00ednek, M.; Gorosabel, J.; Castro-Tirado, A. J.; Postigo, A. de Ugarte; Guziy, S.; Cunniffe, R.; Kub\u00e1nek, P.; Prouza, M.; V\u00edtek, S.; Hudec, R.; Reglero, V.; Sabau-Graziati, L.", "title": "BOOTES Observation of GRB 080603B", "date": "2012", "keywords": "080603b; b-2; gcn; grb; jun", "summary": "5 Conclusions The 0.6 m telescope BOOTES-2 in La Mayora ob- served the optical afterglow of GRB 080603B in three filters. References [1] Chandra, P., Frail, D. A.: GRB 080603B: PAIRITEL infrared detection.", "mime": "application/pdf"}, {"id": "ap-1508", "words": "2369", "extension": ".pdf", "flesch": "73", "author": "Nesci, R.; Maselli, A.; Montagni, F.; Sclavi, S.", "title": "S5 1803+78 Revisited", "date": "2012", "keywords": "ray; source", "summary": "Many BL Lacs are X-ray sources and are a substantial part of the extragalactic sources detected in \u03b3 rays. The cor- relation between \u03b3-ray and optical flares is based on two cases only: further observations are necessary to explore this topic, but a one-zone synchrotron self Compton model seems too simple to explain the be- havior of this source.", "mime": "application/pdf"}, {"id": "ap-1510", "words": "1463", "extension": ".pdf", "flesch": "68", "author": "Sz\u00e9csi, D.; Bagoly, Z.; Horv\u00e1th, I.; Bal\u00e1zs, L. G.; Veres, P.; M\u00e9sz\u00e1ros, A.", "title": "GRB Duration Distribution Considering the Position of the Fermi", "date": "2012", "keywords": "background; fermi; figure", "summary": "However, we can announce that we have succesfully created a method that is able to separate the Fermi data from the motion-based background in such an effective way that statistical analyses can be made using the data. 3: After background fitting: the lightcurve of Fermi- burst 091030613 measured by the 3rd GBM detector.", "mime": "application/pdf"}, {"id": "ap-1512", "words": "2935", "extension": ".pdf", "flesch": "60", "author": "Kapilan, N.", "title": "Production of Biodiesel from Vegetable Oil Using Microware Irradiation", "date": "2012", "keywords": "biodiesel; energy; fuel; irradiation; jatropha; microwave; oil; production; transesterification", "summary": "The fuel property analysis shows that the properties of jatropha oil biodiesel satisfy the biodiesel standards, and are close to the fossil diesel standards. No. 1/2012 [19] Jain, S., Sharma, M. P.: Biodiesel pro- duction from Jatropha curcas oil, Renewable and Sustainable Energy Reviews, 14, 9, 2010, 3 140\u20133 147.", "mime": "application/pdf"}, {"id": "ap-1514", "words": "5752", "extension": ".pdf", "flesch": "57", "author": "Kutilek, P.; Viteckova, S.", "title": "Prediction of Lower Extremity Movement by Cyclograms", "date": "2012", "keywords": "angle; area; cyclogram; data; gait; human; joint; knee; network; neural; use; vol", "summary": "For a study of gait we have used new methods based on an analysis of gait angles using cyclograms (also called angle-angle diagrams or cyclokinograms) and artificial intelligence to predict human motion of legs/prostheses. The creation of cyclograms is based on gait angles that are objective, reliable and well suited for statistical study [14].", "mime": "application/pdf"}, {"id": "ap-1516", "words": "2024", "extension": ".pdf", "flesch": "57", "author": "Sl\u00e1ma, J.", "title": "Plasma Flow and Temperature in a Gliding Reactor with Different Electrode Configurations", "date": "2012", "keywords": "configuration; divergent; flow; plasma; temperature", "summary": "Keywords: gliding discharge, spectra, shape of electrodes, plasma reactor, plasma flow, temperature. Based on the NIST database [4], we found four spectral lines \u2014 \u03bbA, \u03bbB, \u03bbC and \u03bbD \u2014 typical for low temperature plasma in air.", "mime": "application/pdf"}, {"id": "ap-1518", "words": "4897", "extension": ".pdf", "flesch": "63", "author": "Al-Turki, Y. A.; Attia, A.-F.; Soliman, H. F.", "title": "Optimization of Fuzzy Logic Controller for Supervisory Power System Stabilizers", "date": "2012", "keywords": "adaptive; generator; parameters; pss; rules; set; sets; sflc; system", "summary": "B. Coding of fuzzy set parameters The coded parameters are arranged on the basis of their constraints, to form a chromosome of the pop- ulation. Thus, the aim of fuzzy control systems is to replace a skilled hu- man operator with a fuzzy rules-based system.", "mime": "application/pdf"}, {"id": "ap-1520", "words": "5501", "extension": ".pdf", "flesch": "69", "author": "Bal\u00e1zs, L. G.; M\u00e9sz\u00e1ros, A.; Horv\u00e1th, I.; Bagoly, Z.; Veres, P.; Tusn\u00e1dy, G.", "title": "Angular Distribution of GRBs", "date": "2012", "keywords": "apj; distribution; grbs; point; samples; variables", "summary": "In Kippen, R. M., Mallozzi, R. S., Fishman, G. J. (eds.): AIP Conf. [23] Fishman, G. J., Meegan, C. A., Wilson, R. B., et al.:", "mime": "application/pdf"}, {"id": "ap-1522", "words": "2890", "extension": ".pdf", "flesch": "57", "author": "Baroch, V.; Ducho\u0148, B.; Faifrov\u00e1, V.; \u0158\u00edha, Z.", "title": "Teaching Management at Technical Universities, Business Reality in the Academic Environment", "date": "2012", "keywords": "business; graduates; management; simulation; skills; students; teaching", "summary": "Abstract Students of technical universities often do not understand why their studies should include learning management skills (in addition to the study of economics). It also follows from these surveys that businesses require management skills to be trained at universi- ties (in-service training courses are an additional ex- pense for business companies [3]).", "mime": "application/pdf"}, {"id": "ap-1524", "words": "1226", "extension": ".pdf", "flesch": "54", "author": "Ficker, T.", "title": "An Optimal Procedure for Determining the Height Parameters of Fracture Surfaces", "date": "2012", "keywords": "fracture; parameters; sites; surface", "summary": "The first problem is that we do not know the optimal number of surface sites to be visited with the confocal mi- croscope in order to obtain reliable profile parameter values. fahmi_dry_cyc_impr.eps Acta Polytechnica Vol. 52 No. 2/2012 An Optimal Procedure for Determining the Height Parameters of Fracture Surfaces T. Ficker Abstract This paper presents an attempt to find an optimal procedure for determining the height parameters of fracture surfaces.", "mime": "application/pdf"}, {"id": "ap-1526", "words": "6110", "extension": ".pdf", "flesch": "59", "author": "Havl\u00e1sek, P.; Jir\u00e1sek, M.", "title": "Modeling of Concrete Creep Based on Microprestress-solidification Theory", "date": "2012", "keywords": "concrete; creep; data; loading; temperature", "summary": "In this paper, values of parameters used by the microprestress-solidification theory (MPS) are recommended and their influence on the creep compliance function is evaluated and checked against experimental data from the literature. 3 Numerical simulations In this section, experimental data are compared to results obtained with MPS theory, which reduces to the standard B3 model in the special case of basic creep.", "mime": "application/pdf"}, {"id": "ap-1528", "words": "2232", "extension": ".pdf", "flesch": "59", "author": "Michalec, I.; Mar\u00f4nek, M.", "title": "Influence of the Surface Layer when the CMT Process Is Used for Welding Steel Sheets Treated by Nitrooxidation", "date": "2012", "keywords": "corgon18; material; nitrooxidation; steel; surface; welding", "summary": "[4] Doma\u0301nkova\u0301, M. et al: Influence of nitridation and nitrooxidation processes on microstructure and corrosion properties of low carbon deep-drawing steels. However, the surface layer is a major problem during the welding process, and welding specialists face many problems regarding the weldability of steel sheets.", "mime": "application/pdf"}, {"id": "ap-1530", "words": "3836", "extension": ".pdf", "flesch": "63", "author": "Povolotskaya, E.; Mach, P.", "title": "FMEA and FTA Analyses of the Adhesive Joining Process using Electrically Conductive Adhesives", "date": "2012", "keywords": "adhesive; analysis; failure; fault; fmea; fta; joining; process; risk; tree", "summary": "FMEA is a technique for analyzing the occur- rence of process failures and their effect on the re- sult of a process There are four basic types of FMEA: process FMEA, system FMEA, de- sign FMEA and service FMEA.", "mime": "application/pdf"}, {"id": "ap-1532", "words": "1133", "extension": ".pdf", "flesch": "58", "author": "V\u00edtek, S.; Fliegel, K.; P\u00e1ta, P.; Koten, P.", "title": "Utilization of Image Intensifiers in Astronomy", "date": "2012", "keywords": "image; intensifier; lens", "summary": "In this paper we present the properties of image intensifiers, used together with fast TV cameras for astronomical purposes within the MAIA project(Meteor Keywords: image intensifier, astronomy, meteors.", "mime": "application/pdf"}, {"id": "ap-1534", "words": "2238", "extension": ".pdf", "flesch": "62", "author": "Andert, David; Frydrych, Jan; Gerndtov\u00e1, Ilona", "title": "Use of Grasses and Mixtures of Grasses for Energy Purposes", "date": "2012", "keywords": "grass; matter; variant; yield", "summary": "The optimum proportion of grass dry matter is from 35 to 50 % in the total d.m. On September 8, all grassland mixtures and grass species for biomass pro- duction were harvested.", "mime": "application/pdf"}, {"id": "ap-1536", "words": "1960", "extension": ".pdf", "flesch": "57", "author": "Biath, Peter; Ondru\u0161ka, Juraj", "title": "Idealized Compression Ratio for a Screw Briquetting Press", "date": "2012", "keywords": "compression; ratio; screw; space", "summary": "The re- sults will clarify how the material changes in volume during compaction (although only idealized), and will be of great benefit to further research and develop- ment of screw presses. The research area focuses on the principle of screw presses due to the achievement of the high- est with a view to achieving the highest quality pro- duction using this principle.", "mime": "application/pdf"}, {"id": "ap-1538", "words": "3065", "extension": ".pdf", "flesch": "53", "author": "Bukovsk\u00fd, Ivo; Kolovratn\u00edk, Michal", "title": "A Neural Network Model for Predicting NOx at the M\u011bln\u00edk 1", "date": "2012", "keywords": "data; figure; input; network; neural; nox; prediction; time", "summary": "For more recent works, including studies of conventional NN in energetic processes, we may refer to papers [5\u20138], which deal with computational intelligence tools (neural networks, genetic algorithms) focused on biomass combustion. Figure 3: Detail from Figure 2 \u2014 a good prediction Figure 4: Detail from Figure 2 \u2014 a bad prediction due to outliers in the training data which is a typical problem with the improper use of neural networks for complicated systems.", "mime": "application/pdf"}, {"id": "ap-1540", "words": "2268", "extension": ".pdf", "flesch": "49", "author": "Chr\u00edbik, Andrej; Pol\u00f3ni, Mari\u00e1n; Lach, J\u00e1n", "title": "Effect of Gas Mixture Composition on the Parameters of an Internal Combustion Engine", "date": "2012", "keywords": "combustion; engine; gas; hydrogen; mixture", "summary": "The introduction is a brief statement of the nature of gas mixture compositions that are useful for the purposes of combustion engines, together with the basic physical and chemical properties relevant to the burning of this gas mixture. Several previously published results have shown a significant effect of blending hydrogen into natural gas with the aim to improve the emission parameters of internal combustion engines.", "mime": "application/pdf"}, {"id": "ap-1542", "words": "4446", "extension": ".pdf", "flesch": "52", "author": "Ismail, W. Ali; Braim, R. Rasul; Ketuly, K. Aziz; Awang Bujag, D. Siti Shamsiah; Arifin, Zainudin", "title": "Production of Biocellulosic Ethanol from Wheat Straw", "date": "2012", "keywords": "acid; concentration; ethanol; fermentation; hydrolysis; min; straw; wheat; yeast", "summary": "Acid hydrolysis is becoming more popular, due to its lower cost and greater ef- fectiveness than enzymatic hydrolysis [7]. Acid hydrolysis can be divided into two groups: (a) concentrated-acid hydrolysis and (b) dilute-acid hydrolysis.", "mime": "application/pdf"}, {"id": "ap-1544", "words": "1915", "extension": ".pdf", "flesch": "58", "author": "Janeba, B\u0159etislav; Kolovratn\u00edk, Michal; Barto\u0161, Ond\u0159ej", "title": "Measurement of O2 in the Combustion Chamber of Apulverized Coal Boiler", "date": "2012", "keywords": "analyzer; combustion; extraction; sensor", "summary": "Another disadvantage of classical types of O2 analyzers is that a flue gas sam- ple cooler needs to be used, which makes the entire measurement system complicated and delays the de- livery of the acquired information. Keywords: O2 measurement, Lambda probe, Pulverized coal boiler.", "mime": "application/pdf"}, {"id": "ap-1546", "words": "2163", "extension": ".pdf", "flesch": "58", "author": "Ji\u0159\u00ed\u010dek, Ivo; Rudasov\u00e1, Pavla; \u017demlov\u00e1, Tereza", "title": "A Thermogravimetric Study of the Behaviour of Biomass Blends During Combustion", "date": "2012", "keywords": "biomass; combustion; heat; ignition; straw; temperature", "summary": "[2] Van Loo, S., Koppejan, J.: The handbook of biomass combustion and co-firing. The difference in burnout temper- ature between charcoal and other biomass samples was in the range of 51\u201373 \u25e6C, see Tabular 2.", "mime": "application/pdf"}, {"id": "ap-1548", "words": "1766", "extension": ".pdf", "flesch": "62", "author": "Kola\u0159\u00edk, Ladislav; Sahul, Miroslav; Kola\u0159\u00edkov\u00e1, Marie; Sahul, Martin; Tur\u0148a, Milan; Felix, Michal", "title": "Resistance Spot Welding of dissimilar Steels", "date": "2012", "keywords": "carbon; resistance; spot; steel; welding", "summary": "The aim of our paper is to analyze and compare the prop- erties of resistance spot welds of low carbon steel and austenitic stainless steel. The first one was done in austenitic stainless steel across the weld nugget and the other in low carbon steel through HAZ and the weld nugget.", "mime": "application/pdf"}, {"id": "ap-1550", "words": "2073", "extension": ".pdf", "flesch": "61", "author": "Krac\u00edk, Petr; Posp\u00ed\u0161il, Ji\u0159\u00ed; \u0160najd\u00e1rek, Ladislav", "title": "Heat Exchangers for Condensation and Evaporation Applications Operating in a Low Pressure Atmosphere", "date": "2012", "keywords": "coefficient; heat; pressure; transfer; tube", "summary": "The heat transfer red through the copper tube wall: Q\u0307S = Q\u0307B +\u0394Q\u030756 = Q\u0307V \u2212\u0394Q\u030712 [W] (5) \u2022 derivation equations of heat transfer through a circular wall The heat passage of the wall is composed of conduction, convection and also radiation. The calculation is based on Newton\u2019s principle of heat transfer and the Fourier heat conduction principle, provided there is a parallel arrangement of pipes.", "mime": "application/pdf"}, {"id": "ap-1552", "words": "2749", "extension": ".pdf", "flesch": "54", "author": "Kr\u00e1tk\u00fd, Luk\u00e1\u0161; Jirout, Tom\u00e1\u0161; Nalezenec, Ji\u0159\u00ed", "title": "Lab-scale Technology for Biogas Production from Lignocellulose Wastes", "date": "2012", "keywords": "biogas; biomass; figure; lab; lhw; pretreatment; technology", "summary": "The influences of LHW on the structure of wheat straw and boxboard are shown in Figure 5. A) straw before B) straw after C) boxboard before D) boxboard after Figure 5: Influence of LHW on the structure of biomass \u2014 processing parameters 200 \u25e6C, 20 min 56 Acta Polytechnica Vol. 52 No. 3/2012 A \u2013 scheme of the unit B \u2013 lab unit 1 \u2013 bottle with substrate, 2 \u2013 burette, 3 \u2013 balancing bottle Figure 6: Lab testing unit for investigating biogas yield In general, substrate pretreated with LHW is more digestible, the amount of biogas is increased, the residence time in the fermenter decreases, and pumping and homogenization are facilitated [5]. 4 Lab-batch tests for an investigation of biogas yield A test known as Biochemical Methane Potential (BMP) is widely used for evaluating the anaerobic biodegrability of wastes.", "mime": "application/pdf"}, {"id": "ap-1554", "words": "2905", "extension": ".pdf", "flesch": "54", "author": "Kri\u017ean, Peter; Mat\u00fa\u0161, Milo\u0161; Kers, Jaan; Vukeli\u0107, Djordje", "title": "Change of Pressing Chamber Conicalness at Briquetting Process in Briquetting Machine Pressing Chamber", "date": "2012", "keywords": "briquette; chamber; conical; parameters; pressing; pressure", "summary": "5 Conclusion The main aim of this paper has been to present the results of our experiment to detect the impact of the conical shape of pressing chambers. Some holding time while the pressed briquette is under pressure is necessary in order to eliminate pressing expansion.", "mime": "application/pdf"}, {"id": "ap-1556", "words": "3105", "extension": ".pdf", "flesch": "56", "author": "Lis\u00fd, Martin; Bal\u00e1\u0161, Marek; Moskal\u00edk, Ji\u0159\u00ed; \u0160telcl, Otakar", "title": "Biomass Gasification \u2014 Primary Methods for Eliminating Tar", "date": "2012", "keywords": "bed; biomass; dolomite; gas; gasification; reactor; tar; temperature", "summary": "6 Initial experimental conditions The basic parameters that had to be set included dolomite particle size, based on the volume and the velocity of the moving gas, and also the mass of the fluidized bed in the reactor in the course of its oper- ation. However, it seems that the addition of dolomite in the fluidized bed may be an effective primary measure for cutting down the tar content in fuel gas.", "mime": "application/pdf"}, {"id": "ap-1558", "words": "2533", "extension": ".pdf", "flesch": "54", "author": "Mat\u00fa\u0161, Milo\u0161; Kri\u017ean, Peter", "title": "Modularity of Pressing Tools for Screw Press Producing Solid Biofuels", "date": "2012", "keywords": "chamber; figure; material; pressing; screw", "summary": "The whole workload is transmitted in the axis of the ma- chine through the outer flange system (tensile stress) 71 Acta Polytechnica Vol. 52 No. 3/2012 Figure 1: Newly-patented design of a screw press Figure 2: Pressing chamber with tools (1 \u2013 feeding screw, 2 \u2013 pressing screw, 3 \u2013 pressing chamber, 4 \u2013 nozzles) and the continuous solid spindle with pressing screws on the ends (compressive stress). Pressing screws are designed as monolithic (Figure 3), as well as folded (Figure 8, Figure 9), which can have a rotating tip to reduce friction.", "mime": "application/pdf"}, {"id": "ap-1560", "words": "2641", "extension": ".pdf", "flesch": "59", "author": "Moskal\u00edk, Ji\u0159\u00ed; \u0160kva\u0159il, Jan; \u0160telcl, Otakar; Bal\u00e1\u0161, Marek; Lis\u00fd, Martin", "title": "Energy Recovery from Contaminated Biomass", "date": "2012", "keywords": "biomass; chipboard; energy; fuel; gasification; temperature; wastes", "summary": "References [1] Bala\u0301s\u030c, M., Lisy\u0301, M.: Water-steam influence on biomass gasification process, Acta Metallurgica Slovaca, 11, 1, 2005, 14\u201321, (in Czech). For the experiments, chipboard waste was chosen as a representative sample of contaminated biomass.", "mime": "application/pdf"}, {"id": "ap-1562", "words": "2798", "extension": ".pdf", "flesch": "52", "author": "Pavlatov\u00e1, Monika; Hor\u00e1kov\u00e1, Marta; Hlad\u00edk, Jan; \u0160patenka, Petr", "title": "Plasma Surface Treatment of Powder Materials \u2014 Process and Application", "date": "2012", "keywords": "energy; figure; material; plasma; powder; surface; treatment", "summary": "[2, 3] The bonding of new functional groups on the molecular chain during plasma surface treatment of polymer materials is one way in which this type of treatment can be used. We also partic- ipate in and support research in other applications of plasma surface treatment.", "mime": "application/pdf"}, {"id": "ap-1564", "words": "1867", "extension": ".pdf", "flesch": "51", "author": "Pla\u010dek, Viktor; Oswald, Cyril; Hrdli\u010dka, Jan", "title": "Optimal Combustion Conditions for a Small-scale Biomass Boiler", "date": "2012", "keywords": "biomass; boiler; combustion; control; scale", "summary": "However, a smaller combustion chamber leads to issues with combustion process control. 2 Experimental arrangement and deployment The basic arrangement used for combustion control of small-scale biomass boilers is depicted in Figure 1.", "mime": "application/pdf"}, {"id": "ap-1566", "words": "2441", "extension": ".pdf", "flesch": "57", "author": "Pila\u0159, Luk\u00e1\u0161; Hrdli\u010dka, Jan", "title": "Research and development of CO2 Capture and Storage Technologies in Fossil Fuel Power Plants", "date": "2012", "keywords": "ammonia; co2; cooling; flue; gas; power", "summary": "The ammonia process consists of the following main components: \u2013 flue gas cooling and the flue gas fan \u2013 CO2 absorption \u2013 final cleaning of the scrubbed flue gas \u2013 CO2 desorption \u2013 CO2 final cleaning \u2013 CO2 compression \u2013 auxiliary cooling source \u2013 ammonia treatment A more detailed description is provided in the fol- lowing paragraphs: \u2013 flue gas cooling \u2014 the absorption process for the ammonia method takes place at low tem- peratures (5\u201310 \u25e6C), so the flue gas must be cooled down as much as possible before entering the process. The sys- tem is designed as a closed system, filling with cooling water and removing dense salt water as needed.", "mime": "application/pdf"}, {"id": "ap-1568", "words": "1929", "extension": ".pdf", "flesch": "61", "author": "\u0160tefanica, Ji\u0159\u00ed; Hrdli\u010dka, Jan", "title": "Experimental Investigation of Radial Gas Dispersion Coefficients in a Fluidized Bed", "date": "2012", "keywords": "bed; dispersion; gas; tracer", "summary": "Tracer gas was injected by pipe 3 in the middle of the perforated plate dis- tributor 5 (open area of 2.51 %) that was supporting the fluidized bed. %] concentration of tracer gas at a given point c\u221e [vol.", "mime": "application/pdf"}, {"id": "ap-1570", "words": "1920", "extension": ".pdf", "flesch": "66", "author": "Tur\u0148a, Milan; Ondru\u0161ka, Jozef; Tur\u0148ov\u00e1, Zuzana", "title": "Explosion Cladding of Lead on Steel", "date": "2012", "keywords": "lead; max; steel; test; welding", "summary": "Owing to its low melting point, lead is used with working temperatures only from 150 to 170 \u25e6C. Only technically pure lead is used in the chemical in- dustry as pure lead has the highest resistance against corrosion. ap-3-12.dvi Acta Polytechnica Vol. 52 No. 3/2012 Explosion Cladding of Lead on Steel Milan Turn\u030ca1, Jozef Ondrus\u030cka1, Zuzana Turn\u030cova\u03011 1Slovak University of Technology, Faculty of Materials Science and Technology, J. Bottu 25, 917 24 Trnava, Slovakia Correspondence to: milan.turna@stuba.sk Abstract This work deals with explosion cladding of lead on steel.", "mime": "application/pdf"}, {"id": "ap-1572", "words": "2061", "extension": ".pdf", "flesch": "51", "author": "Bal\u00e1\u0161, Marek; Lis\u00fd, Martin; \u0160telcl, Ota", "title": "The Effect of Temperature on the Gasification Process", "date": "2012", "keywords": "dependency; figure; gas; gasification; temperature", "summary": "Reactor parameters: \u2022 Capacity (in produced gas) 100 kWt \u2022 Fuel demand (consumption, requirement) 150 kWt \u2022 Wood consumption 40 kg \u00b7 h\u22121 \u2022 Air flow rate 50 m3 n \u00b7 h\u22121 The basic fluid generator operation characteris- tics are described below: \u2022 Operation of the fluid generator \u2013 after ig- nition, the fluid generator is operated in combus- tion mode, so that its heating is quickit heats up quickly. This paper describes experiments that investigate the effect of temperature and pressure on gas composition and low calorific value.", "mime": "application/pdf"}, {"id": "ap-1576", "words": "2406", "extension": ".pdf", "flesch": "47", "author": "Banyai, Daniel; Marcu, Lucian", "title": "A Flexible Adjustment and Control System for Hydraulic Machines", "date": "2012", "keywords": "control; flow; hydraulic; pressure; pump; system", "summary": "Keywords: adjustable pump, control system, dynamic behavior. the electricity supply and control system for the proportional distributor, the sensors and the distributor to simulate the load; 5 [4].", "mime": "application/pdf"}, {"id": "ap-1578", "words": "1766", "extension": ".pdf", "flesch": "47", "author": "Br\u00e1zdil, Marian; Posp\u00ed\u0161il, Ji\u0159\u00ed", "title": "A Way to Use Waste Heat to Generate Thermoelectric Power", "date": "2012", "keywords": "energy; figure; heat; materials; temperature", "summary": "Only materials which possess ZT > 0.5 are re- garded as thermoelectric materials [3]. Thermoelectric generators (TEG) have the poten- tial to recover waste heat as effective energy and to make a major contribution to reducing fossil fuel con- sumption.", "mime": "application/pdf"}, {"id": "ap-1580", "words": "3524", "extension": ".pdf", "flesch": "56", "author": "Stunov\u00e1, Barbora Bryks\u00ed", "title": "Strontium As a Structure Modifier for Non-binary Al\u2013Si Alloy", "date": "2012", "keywords": "eutectic; iron; magnesium; modification; morphology; phases; strontium", "summary": "Oc- casionally there are skeletal particles of magnesium phase Mg2Si, always tied to the eutectic silicon or iron phase. Find- ings of authors in recent years [2\u20136] show, that mod- ification elements, including strontium, besides the change in morphology of eutectic silicon, also affect intermetallic phases.", "mime": "application/pdf"}, {"id": "ap-1582", "words": "3135", "extension": ".pdf", "flesch": "51", "author": "\u010cerm\u00e1kov\u00e1, Ji\u0159ina; Mr\u00e1zek, Jakub; Fliegerov\u00e1, Kate\u0159ina; Tenkr\u00e1t, Daniel", "title": "Replacing Natural Gas by Biogas \u2014 Determining the Bacterial Contamination of Biogas by PCR", "date": "2012", "keywords": "biogas; biomethane; digester; microorganisms; pcr; plant; vol", "summary": "Most of the biogas that is produced comes from treated sewage sludge and biogas plants, and these systems do not contain a pasteurization step. Biogas samples for DNA extraction were collected by filtration through a 0.22 \u03bcm nylon membrane fil- ter (Millipore) directly behind the digester and the adsorption unit.", "mime": "application/pdf"}, {"id": "ap-1584", "words": "1877", "extension": ".pdf", "flesch": "54", "author": "\u010cerm\u00e1kov\u00e1, Ji\u0159ina; Doucek, Ale\u0161; Pol\u00e1k, Luk\u00e1\u0161", "title": "Energy Accumulation by Hydrogen Technologies", "date": "2012", "keywords": "energy; hydrogen; photovoltaic; power", "summary": "The aim of this paper is to introduce hydrogen as a tool for regulating photovoltaic energy in island mode. Hydrogen as an energy car- rier enables photovoltaic energy produced in times of excess power in the grid to be stored, and then supplied to the grid when it is required, i.e., during peak periods in the daily load curve [2].", "mime": "application/pdf"}, {"id": "ap-1586", "words": "1880", "extension": ".pdf", "flesch": "61", "author": "Demianov\u00e1, Krist\u00edna; O\u017evold, Milan; Tur\u0148a, Milan", "title": "Application of Induction Heating for Brazing Parts of Solar Collectors", "date": "2012", "keywords": "alloy; brazing; flux; induction; joint", "summary": "Mn Mg Zn Cr Al 0.05\u20130.15 0.06\u20130.35 max. 0.1 0.3\u20130.6 0.02\u20130.20 0.05\u20130.3 max. 0.25 balance Table 3: Chemical composition of brazing alloy type Al 104 Brazing alloy type Al 104 (Table 3) in the form of wire was used for fabricating the flange-tube joint.", "mime": "application/pdf"}, {"id": "ap-1588", "words": "3228", "extension": ".pdf", "flesch": "58", "author": "Dlouh\u00fd, Tom\u00e1\u0161; Dupal, Tom\u00e1\u0161; Dlouh\u00fd, Jan", "title": "A Pulverized Coal-Fired Boiler Optimized for Oxyfuel Combustion Technology", "date": "2012", "keywords": "air; boiler; combustion; flue; flue gas; gas; oxygen; temperature", "summary": "According to generally presented recommendations, backed up by our own calculations, a 70 % flue gas recycling ra- tio is considered (i.e. approximately twice the amount of flue gas that forms). The reason for this is the radical effect of false air suction on increasing the amount of flue gas and on lowering the CO2 concentration.", "mime": "application/pdf"}, {"id": "ap-1590", "words": "1571", "extension": ".pdf", "flesch": "51", "author": "Golia\u0161, Marcel; Palen\u010d\u00e1r, Rudolf", "title": "Determination of Uncertainties for Correlated Input Quantities by the Monte Carlo Method", "date": "2012", "keywords": "carlo; measurement; monte; uncertainty", "summary": "Figure 2 shows the probability density functions and the frequency distributions (histograms) of the rectangle obtained by the distribution propagation by Monte Carlo simulation for the three correlation coef- ficients. = 2.15 mm2 = 21 \u00b7 10\u22121 mm2, a = 21, r = \u22121, \u03b4 = 1 2 \u00b7 10\u22121 mm2 = 0.05 mm2 (5) 59 Acta Polytechnica Vol. 52 No. 4/2012 Figure 3: The distribution functions of the rectangle for the output quantity Table 3: Validation of the law of propagation of uncertainty by Monte Carlo simulation", "mime": "application/pdf"}, {"id": "ap-1592", "words": "2310", "extension": ".pdf", "flesch": "62", "author": "Grepl, Martin; Pag\u00e1\u010d, Marek; Petr\u016f, Jana", "title": "Laser Cutting of Materials of Various Thicknesses", "date": "2012", "keywords": "cut; cutting; laser; speed", "summary": "4f with a cutting speed of 750 mm \u00b7min\u22121. Table 4: Laser cutting velocities with 60 % power Number of cut Laser cutting velocities [mm \u00b7min\u22121] Cut 4a 500 Cut 4b 600 Cut 4c 700 Cut 4d 800 Cut 4e 900 Cut 4f 750 Figure 4: The cuts of variable cutting velocity with constant power 60 % Figure 5: The sample \u2014 sheet metal 3.2 mm in thickness (Haynes 718): a) upper side of the sample, b) underside of the sample 64 Acta Polytechnica Vol. 52 No. 4/2012 Table 5: Laser cutting velocities with 80 % power Number of cut Velocities of laser cutting [mm \u00b7min\u22121] Cut 8a 500 Cut 8b 600 Cut 8c 400 Cut 8d 300 Cut 8e 450 Figure 6: The cuts of variable cutting velocity with constant power 80 % Cuts nos. We also in- vestigated the influence of cutting parameters on the resulting cutting structure from the point of view of shape deformations of the cutting gap and the cre- ation of a recast layer, which is an undesirable ac- companying effect of laser cutting.", "mime": "application/pdf"}, {"id": "ap-1594", "words": "2628", "extension": ".pdf", "flesch": "71", "author": "Jan\u00e1sek, Adam; \u010cep, Robert; Brychta, Josef", "title": "Checking the Geometric Accuracy of a Machine Tool for Selected Geometric Parameters", "date": "2012", "keywords": "measurement; test", "summary": "References [1] ISO 10791-2 \u2013 Test conditions for machine cen- tres \u2014 Part 2: Geometric tests for machines with vertical spindle or universal heads with vertical primary rotary axis (vertical Z-axis). [5] ISO 10791-1 \u2013 Test conditions for machine cen- tres \u2014 Part 1: Geometric tests for machines with horizontal spindle and with accessory heads (hor- izontal Z-axis).", "mime": "application/pdf"}, {"id": "ap-1596", "words": "2266", "extension": ".pdf", "flesch": "57", "author": "Janovec, Ji\u0159\u00ed; Pol\u00e1chov\u00e1, Daniela; Junek, Michal", "title": "Lifetime Assessment of a Steam Pipeline", "date": "2012", "keywords": "assessment; creep; damage; life; operating; steam", "summary": "Another topic for research is the design of checks on the service life of steam pipelines in the area of creep damage and damage assessment of the mi- crostructures of grade 15 steels and the new class of T23, T24, P91, P92 and E911 steels. Keywords: life assessment of a steam pipeline, creep damage, assessment of microstructure damage.", "mime": "application/pdf"}, {"id": "ap-1598", "words": "1389", "extension": ".pdf", "flesch": "62", "author": "Jusko, Ondrej", "title": "New Abrasive Materials and Their Influence on the Surface Quality of Bearing Steel After Grinding", "date": "2012", "keywords": "grinding; wheel", "summary": "Figure 4 shows, that when a conventional wheel and an innovative type of abrasive grinding wheel are used with decreasing cut depth, thus reducing the radial feed rate, the roundness deviation also de- creases. A B-VII B64 K75 grinding wheel was used.", "mime": "application/pdf"}, {"id": "ap-1600", "words": "2594", "extension": ".pdf", "flesch": "67", "author": "Kola\u0159\u00edk, Ladislav; Kola\u0159\u00edkov\u00e1, Marie; Kovanda, Karel; Pant\u016f\u010dek, Marek; Vondrou\u0161, Petr", "title": "Advanced Functions of a Modern Power Source for GMAW Welding of Steel", "date": "2012", "keywords": "arc; function; root; sample; short; transfer; welding", "summary": "Developments in modern microelectronics have led to rapid advances in welding sources. Research and development carried out by manufacturers of welding sources focuses on rapid optimal control of the welding parameters dur- ing welding.", "mime": "application/pdf"}, {"id": "ap-1602", "words": "1391", "extension": ".pdf", "flesch": "56", "author": "Kupec, Tom\u00e1\u0161; Hlava\u010dov\u00e1, Ivana; Tur\u0148a, Milan", "title": "Metallurgical Joining of Magnesium Alloys by the FSW Process", "date": "2012", "keywords": "base; figure; metal; welding", "summary": "3 Conclusions This paper has presented a brief survey of the met- allurgy of welding Mg alloys using the FSW process. Figure 4: Microstructure of base metal (AZ31alloy), etch.", "mime": "application/pdf"}, {"id": "ap-1604", "words": "1344", "extension": ".pdf", "flesch": "52", "author": "Laska, Mateusz; Kazior, Jan", "title": "Influence of Various Process Parameters on the Density of Sintered Aluminium Alloys", "date": "2012", "keywords": "compaction; density; pressure; sintering", "summary": "The results showed that the green density increases with compaction pressure, but that sintered density is independent of green density (compaction pressure) for each sintering temperature. Figure 2: Sintered density to theoretical density ratio as a function of compaction pressure for: (A) EA231, (B) EA321, (C) EA431 The negative values of the densification factor curves of the EA231 and EA321 powders therefore correspond with the observed changes in the geom- etry of the samples and the swelling of the sintered parts.", "mime": "application/pdf"}, {"id": "ap-1606", "words": "2071", "extension": ".pdf", "flesch": "45", "author": "Marcu, Ioan-Lucian; Banyai, Daniel-Vasile", "title": "Fundamental Research on Hydraulic Systems Driven by Alternating Flow", "date": "2012", "keywords": "alternating; flow; motor; phase; pressure", "summary": "[4] The simplest solution for the construction of a ro- tary hydraulic motor working with alternating flow is to use in the same assembly three different oscillat- ing motors with a gear rack (see elements 1 and 3 in Figure 2a and 2b). ap-4-12.dvi Acta Polytechnica Vol. 52 No. 4/2012 Fundamental Research on Hydraulic Systems Driven by Alternating Flow Ioan-Lucian Marcu1, Daniel-Vasile Banyai1 1Technical University of Cluj-Napoca, Department of Mechanical Engineering, B-dul Muncii Nr. 103-105 Cluj-Napoca Romania Correspondence to: Lucian.Marcu@termo.utcluj.ro Abstract This paper presents a new approach to rotary hydraulic systems, and the functional principles of rotary hydraulic systems that can work using alternating flows.", "mime": "application/pdf"}, {"id": "ap-1608", "words": "1564", "extension": ".pdf", "flesch": "56", "author": "Petera, Pavel", "title": "Holding Pressure and Its Influence on Quality in PIM Technology", "date": "2012", "keywords": "density; holding; powder; pressure", "summary": "Keywords: PIM, holding pressure, phase separation. Measurements were made using various holding pressure values.", "mime": "application/pdf"}, {"id": "ap-1610", "words": "2306", "extension": ".pdf", "flesch": "56", "author": "Purgar, Amon; Winter, Franz", "title": "Concepts of Emission Reduction in Fluidized Bed Combustion of Biomass", "date": "2012", "keywords": "bed; combustors; flue; gas; plants", "summary": "This status report focuses on the current operation of fluidized bed combustors. Various emission reduction concepts for fluidized bed combustors that are typical for their industrial sector are discussed.", "mime": "application/pdf"}, {"id": "ap-1612", "words": "1970", "extension": ".pdf", "flesch": "57", "author": "Skalo\u0144, Mateusz; Kazior, Jan", "title": "Influence of the Amount of Master Alloy on the Properties of Austenitic Stainless Steel AISI 316L Powder Sintered in Hydrogen", "date": "2012", "keywords": "316l; aisi; boron; density", "summary": "3.3 Microhardness Figure 3 presents the results of microhardness mea- surements of sintered AISI 316L powders. sintered AISI 316L base powder and b) AISI 316L modified with 0.4 wt. % of boron in MasterAlloy form Figure 7: Surface microstructure of a) sintered AISI 316L base powder and b)", "mime": "application/pdf"}, {"id": "ap-1614", "words": "2472", "extension": ".pdf", "flesch": "61", "author": "Vavru\u0161ka, Petr", "title": "Creating a Multi-axis Machining Postprocessor", "date": "2012", "keywords": "axis; data; machine; postprocessor; tool", "summary": "It is usually possible to specify the limits of machine tool axes and then during transformation the postprocessor checks the positions of the axes in the whole machine tool. Multi-axis machine tools are distinguished by their nomenclature (location of the rotary axes), and hence transformation equations can be created.", "mime": "application/pdf"}, {"id": "ap-1616", "words": "1033", "extension": ".pdf", "flesch": "59", "author": "Zahradn\u00edk, Radek", "title": "The Simulation of the Influence of Water Remnants on a Hot Rolled Plate after Cooling", "date": "2012", "keywords": "figure; plate", "summary": "Keywords: water remnants, FEA, simulation, hot plate. This paper focuses on a numerical calculation (finite ele- ment analysis) of rolled plate deformations, and the goal is to find whether the water remnants have a significant influence on the shape of the rolled plate.", "mime": "application/pdf"}, {"id": "ap-1618", "words": "8730", "extension": ".pdf", "flesch": "55", "author": "Murray-Smith, David J.", "title": "An Application of the Individual Channel Analysis and Design Approach to Control of a Two-input Two-output Coupled-tanks System", "date": "2012", "keywords": "channel; control; design; figure; input; level; line; results; simulation; system; tank", "summary": "The avail- ability of a comprehensive nonlinear model of the system, together with linearised representations ap- propriate for control system design, also makes this system suitable for the teaching of practical aspects of multi-input multi-output control system analysis and design using ICAD or other approaches. This could also illustrate the benefits of bringing together simulation and experimental testing within the processes of control system design and implemen- tation.", "mime": "application/pdf"}, {"id": "ap-1620", "words": "4321", "extension": ".pdf", "flesch": "63", "author": "Bauer, Jan", "title": "Simulation of a Matrix Converter Fed Drive With Sliding Mode Control", "date": "2012", "keywords": "control; converter; current; machine; mode; state; torque; vector; voltage", "summary": "Let us to investigate the existence condition for sliding mode torque control. Principle of sliding mode torque control.", "mime": "application/pdf"}, {"id": "ap-1622", "words": "2131", "extension": ".pdf", "flesch": "61", "author": "Beniak, Juraj; Ondru\u0161ka, Juraj; \u010ca\u010dko, Viliam", "title": "Design Process of Energy Effective Shredding Machines for Biomass Treatment", "date": "2012", "keywords": "angle; face; material; power; torque; wedge", "summary": "However, it is also necessary to design an experiment for other types of materials and for other subsidiary parameters that can affect the process of material disintegration, and thus increase the energy consumed in these processes (by these devices). In the case of material moisture, we have some practical experience, but we have not carried out any 135 Acta Polytechnica Vol. 52", "mime": "application/pdf"}, {"id": "ap-1624", "words": "3206", "extension": ".pdf", "flesch": "58", "author": "Brabec, Ji\u0159\u00ed; Helmich, Martin", "title": "Development of an Ultralight with a Ducted Fan", "date": "2012", "keywords": "aircraft; power; propulsion; speed; thrust; unit", "summary": "Keywords: available thrust, required thrust, propulsion, ducted fan. The following procedure will work with experimen- tally obtained available thrust values.", "mime": "application/pdf"}, {"id": "ap-1626", "words": "2641", "extension": ".pdf", "flesch": "59", "author": "Brendle, Christian; Niesche, Annegret; Korff, Alexander; Radermacher, Klaus; Leonhardt, Steffen", "title": "Femoral Test Bed for Impedance Controlled Surgical Instrumentation", "date": "2012", "keywords": "figure; hip; impedance; measurement; pmma; values; wall", "summary": "3.1 Electrical contacting The Agilent E4890A LCR Meter has four BNC con- nectors used for impedance measurements, two for the low connector pair and two for the high connector pair. The \u03b5\u2032\u2032r of BC values are in accordance with the published values for PMMA.", "mime": "application/pdf"}, {"id": "ap-1628", "words": "2047", "extension": ".pdf", "flesch": "64", "author": "\u010cernek, Petr; Brejcha, Michal; H\u00e1jek, Jan; P\u00edgl, Jan", "title": "A Comparison of Power Quality Controllers", "date": "2012", "keywords": "network; power; quality; voltage", "summary": "FACTS: modelling and sim- ulation in power networks. 1 Introduction In recent decades, power quality has become topic number one.", "mime": "application/pdf"}, {"id": "ap-1630", "words": "6163", "extension": ".pdf", "flesch": "68", "author": "\u010cern\u00fd, Viktor", "title": "Energy Estimation of Distributed Phase-shift Beamforming", "date": "2012", "keywords": "cluster; data; energy; fig; modules; phase", "summary": "The steps required for 1-packet two-way communi- cation between modules A1 and B1 are: 1. module A1 broadcasts data in cluster A on fre- quency fd, Fig. In order to prevent this situation, we can install batteries with higher capacities at the relays, or we can increase the num- ber of relay modules.", "mime": "application/pdf"}, {"id": "ap-1632", "words": "2687", "extension": ".pdf", "flesch": "71", "author": "Drnek, Kry\u0161tof", "title": "Hygiena 3, a Forgotten Project for Electrolytic Water Treatment", "date": "2012", "keywords": "city; project; sludge; system; treatment; water", "summary": "Last but not least, there was the problem of electrolytic water treatment. The sludge taken in treatment process must not decompose, sand from the sand pool must contain not more than 10% of dry residue, and the sludge from the sedi- mentation tank must contain not more than 91% of water.", "mime": "application/pdf"}, {"id": "ap-1634", "words": "6719", "extension": ".pdf", "flesch": "62", "author": "Gr\u00fcnwald, Ondrej", "title": "Model of Customer Buying Behavior in the CZ Mobile Telecommunication Market", "date": "2012", "keywords": "b e; m b; m s; price; u m; u t", "summary": "Price level was clearly the most common considera- tion that was chosen as the must-avoid level. A large proportion of respondents (91.6%) limited the tariffs acceptable to them to an average price of CZK635 46 Acta Polytechnica Vol. 52 No. 5/2012 C o u n t o f ta ri ff s 268 251 239 228 216 201 181 166 150 135 121 112 100 84 65 58 51 40 35 29 22 16 11 6 1 Price [CZK] 32 50 30 20 29 10 28 10 27 10 26 10 25 10 24 10 23 10 22 10 21 10 20 10 19 10 18 10 17 10 16 10 15 10 14 10 13 10 12 10 11 10 10 1091 0 81 0 71 0 61 0 51 0 41 0 31 0 21 0 11 0 Page 1 Figure 8: Distribution of tariff prices in screening sections.", "mime": "application/pdf"}, {"id": "ap-1636", "words": "4875", "extension": ".pdf", "flesch": "48", "author": "Halupka, Ivan; Koll\u00e1r, J\u00e1n; Pietrikov\u00e1, Em\u00edlia", "title": "A Task-driven Grammar Refactoring Algorithm", "date": "2012", "keywords": "algorithm; context; function; grammar; objective; population; process; refactoring", "summary": "The difference in objective functions is the difference between the values of the objective function calculated for a post-grammar of the current population and the corresponding post-grammar of the previous population of grammars. The second step in the first phase of the algorithm creates corresponding post-grammars for each gram- mar population entity by applying its process chain to the initial grammar, and finally the third step calcu- lates the difference of the objective function calculated for the initial grammar and the post-grammar of the corresponding grammar population entity.", "mime": "application/pdf"}, {"id": "ap-1638", "words": "2432", "extension": ".pdf", "flesch": "62", "author": "Henychov\u00e1, Petra; Hi\u0159manov\u00e1, Kl\u00e1ra; Vran\u00fd, Martin", "title": "Diamond Films for Implantable Electrodes", "date": "2012", "keywords": "boron; diamond; growth; temperature", "summary": "et al. Raman and conductivity studies of boron-doped microcrystalline diamond, faceted nanocrystalline diamond and cauliflower diamond films. In this paper, we focus on optimizing the growth of thin diamond films by plasma-enhanced microwave chemical vapor deposition.", "mime": "application/pdf"}, {"id": "ap-1640", "words": "4951", "extension": ".pdf", "flesch": "66", "author": "Holovsk\u00fd, Jan", "title": "ESSO \u2014 Electrification of the Central Labe Districts between 1916 and 1950", "date": "2012", "keywords": "electricity; esso; kol\u00edn; labe; plant; power; power plant; room; station; steam; union", "summary": "3.3 Hydroelectric power stations Besides steam power plants, ESSO also owned several hydroelectric power plants. The capital needed for constructing new power stations, elec- tric wiring, transformation stations, etc., was bor- rowed from financial institutions, villages, districts, or directly from electricity consumers, who received principals in return.", "mime": "application/pdf"}, {"id": "ap-1642", "words": "2616", "extension": ".pdf", "flesch": "67", "author": "M\u00fcller, Miroslav", "title": "Overhead Line Mechanics Taking the Influence of Wind into Account", "date": "2012", "keywords": "forces; harmonics; model; position; wind; wire", "summary": "2 Dynamic model of wire The analysis of dynamic behavior is based on wave equations (1)\u2013(3). The constants describing the relationship be- tween the wire and the air are: kD = 1 2\u03c1air\u03c6cond , kM = 1 2\u03c1air\u03c6 2 cond , where \u03c1air is air density, and \u03c6cond is wire diameter.", "mime": "application/pdf"}, {"id": "ap-1644", "words": "1763", "extension": ".pdf", "flesch": "62", "author": "N\u00e1hl\u00edk, Josef; Janou\u0161ek, Michal; \u0160ob\u00e1\u0148, Zbyn\u011bk", "title": "Gated Graphene Electrical Transport Characterization", "date": "2012", "keywords": "gate; graphene; hysteresis; silicon; substrate; voltage", "summary": "Water molecules behave as doping atoms, because the gate voltage affects their polarization and they add their own electric field intensity to the intensity caused by the Figure 2: Scheme of the polarization of water molecules by gate voltage in backgated graphene. Polarized molecules and their electric intensity could be one of the effects that cause hysteresis be- tween the forward and backward sweep of gate voltage in the resistivity/gate voltage characteristic.", "mime": "application/pdf"}, {"id": "ap-1646", "words": "3479", "extension": ".pdf", "flesch": "58", "author": "Santos, Susana Aguiar; Venema, Boudewijn; Leonhardt, Steffen", "title": "Accelerometer-assisted PPG Measurement During Physical Exercise Using the LAVIMO Sensor System", "date": "2012", "keywords": "accelerometer; activity; artifacts; ecg; ppg; sensor; signal; system", "summary": "81 Acta Polytechnica Vol. 52 No. 5/2012 Figure 3: Obtained ECG and PPG signals of a healthy subject at 0 km/h. 2.4 Strategies for reduction of movement artifacts The corruption of a PPG signal through light or move- ment of the subject is a limiting factor in a PPG system. Nevertheless, using the 3-axis accelerometer data recorded together with the PPG measurements, it should be possible to extract a \u2018clean\u2019 Figure 4: Obtained ECG and PPG signals of a healthy subject walking at 2 km/h. PPG from a PPG with artifacts.", "mime": "application/pdf"}, {"id": "ap-1648", "words": "3946", "extension": ".pdf", "flesch": "67", "author": "Schneider, Dorian", "title": "Control Algorithms for Large-scale Single-axis Photovoltaic Trackers", "date": "2012", "keywords": "angle; axis; rotation; sat; sun; system; tracking; yield", "summary": "Keywords: single-axis solar tracker, backtracking, photovoltaic, sun tracking. Tracking and backtracking angles, sun azimuth and elevation plotted for January 1st, 2012 in Berlin.", "mime": "application/pdf"}, {"id": "ap-1650", "words": "3580", "extension": ".pdf", "flesch": "55", "author": "Seleck\u00fd, Martin; Meiser, Tom\u00e1\u0161", "title": "Integration of Autonomous UAVs into Multi-agent Simulation", "date": "2012", "keywords": "agent; collision; figure; flight; hardware; system; time; uavs; wind", "summary": "The system also does not allow the co- existence of hardware UAVs together with simulated UAVs. For this reason mixed reality simulations, which allow integration of real hardware UAVs and simulated virtual UAVs to co-exist in one environ- ment, are helpful and necessary in the development process.", "mime": "application/pdf"}, {"id": "ap-1652", "words": "1986", "extension": ".pdf", "flesch": "53", "author": "Spohner, Milan", "title": "A Study of the Properties of Electrical Insulation Oils and of the Components of Natural Oils", "date": "2012", "keywords": "density; dielectric; methyl; oil; oils; rapeseed", "summary": "5 shows the density in dependence on the inverse temperature interval from 270 to 350K. The lowest values were for mineral oils and methyl ester rapeseed oil. 2.2 Dielectric properties For a study of dielectric properties, samples of FAME and rapeseed oil methyl ester were selected for a com- parison with the two fatty acids found in rapeseed oil.", "mime": "application/pdf"}, {"id": "ap-1654", "words": "3313", "extension": ".pdf", "flesch": "61", "author": "Turo\u0148, V\u00e1clav", "title": "A Study of Parameters Setting of the STADZT", "date": "2012", "keywords": "resolution; signal; stadzt; time; window", "summary": "There are three parameters which closely relate to this issue \u2014 window shape, window length and segment overlap. [9] for spectral analysis of non-stationary signals.", "mime": "application/pdf"}, {"id": "ap-1656", "words": "4553", "extension": ".pdf", "flesch": "58", "author": "Visioli, Antonio", "title": "Research Trends for PID Controllers", "date": "2012", "keywords": "control; controllers; design; performance; pid; point; process; set; time; tuning; visioli", "summary": "Acta Polytechnica Vol. 52 No. 5/2012 Research Trends for PID Controllers Antonio Visioli University of Brescia, Via Branze 38, I-25123 Brescia, Italy Corresponding author: Keywords: PID controllers, design, tuning, control structures.", "mime": "application/pdf"}, {"id": "ap-1658", "words": "4292", "extension": ".pdf", "flesch": "66", "author": "Votava, Ond\u0159ej", "title": "A Network Simulation Tool for Task Scheduling", "date": "2012", "keywords": "algorithms; application; computation; network; nodes; scheduling; simulation; systems; task; time", "summary": "Keywords: task scheduling, DAG scheduling, simulation, network simulation. Task scheduling is the viewpoint, where a distributed application can be described as a Directed Acyclic Graph and every node of the graph is executed independently.", "mime": "application/pdf"}, {"id": "ap-1660", "words": "3167", "extension": ".pdf", "flesch": "56", "author": "Weyer, S\u00f6ren; R\u00f6thlingsh\u00f6fer, Lisa; Walter, Marian; Leonhardt, Steffen", "title": "Evaluation of Bioelectrical Impedance Spectroscopy for the Assessment of Extracellular Body Water", "date": "2012", "keywords": "bis; body; cole; fluid; impedance; model; tissue; volume; water", "summary": "For -2\u00f3 +2\u00f3 Mean of fluid balance and BIS ECF [ ] l D iff e re n c e b e tw e e n f lu id b a la n ce a n d B IS E C F [ l ] 0 0.5 1 1.5 2 2.5 3 3.5 4 -1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 Figure 5: Bland-Altman plots illustrating the small- est and greatest difference between the changes in extracellular body fluid (ECF) estimated by BIS and the logged fluid balance plotted against the mean of the two methods. 1 Introduction Maintenance of a constant volume and stable composi- tion of body fluids is essential for homeostasis.", "mime": "application/pdf"}, {"id": "ap-1662", "words": "2190", "extension": ".pdf", "flesch": "61", "author": "Winkin, Nadine; Mokwa, Wilfried", "title": "Flexible Multi-Electrode Array for Medical Applications", "date": "2012", "keywords": "chip; electrodes; fig; figure; mea; polyimide", "summary": "Figure 4: Dummy stimulator chip (schematic). Keywords: flexible multi-electrode array, thinned silicon chip, electrical stimulation, retinal implant.", "mime": "application/pdf"}, {"id": "ap-1664", "words": "1614", "extension": ".pdf", "flesch": "66", "author": "Z\u00e1vodn\u00e1, Michaela", "title": "The Electrification of Tramways in Ostrava in 1900\u20131901", "date": "2012", "keywords": "company; electrification; moravsk\u00e1; ostrava; transport", "summary": "Electric trams were to be put into operation in Ostrava in October 1900 The first part of this paper deals with technical aspects of electrification the change-over from steam power to electric power, while the second section analyses the dealings between these private companies, subsequent municipalization and the involvement of the municipal self-government of Moravsk\u00e1 Ostrava.", "mime": "application/pdf"}, {"id": "ap-1666", "words": "3900", "extension": ".pdf", "flesch": "72", "author": "Kratochv\u00edl, Jan; Kru\u017e\u00edk, Martin", "title": "Energetic Approach to Large Strain Gradient Crystal Plasticity", "date": "2012", "keywords": "energy; plasticity; z(t", "summary": "[13] Giacomini, A., Lusardi L.: Quasistatic evolution for a model in strain gradient plasticity, SIAM J. Math. \u2208 \u2202\u03b4(z\u0307(t)), z(0) = z0, z \u2208 Z, (8) where z0 \u2208 Z is an initial condition for the internal variable.", "mime": "application/pdf"}, {"id": "ap-1668", "words": "3620", "extension": ".pdf", "flesch": "57", "author": "Demo, Pavel; Sveshnikov, Alexey; Ho\u0161kov\u00e1, \u0160\u00e1rka; Ladman, David; Tich\u00e1, Petra", "title": "Physical and Chemical Aspects of the Nucleation of Cement-Based Materials", "date": "2012", "keywords": "ca2; cement; concentration; ions; nucleation; paste; portlandite", "summary": "Possible connections with the corresponding properties for cement paste are discussed. Keywords: cement paste, induction period, calcium concentration, nucleation rate, time lag.", "mime": "application/pdf"}, {"id": "ap-1670", "words": "3932", "extension": ".pdf", "flesch": "64", "author": "\u0160milauer, V\u00edt; Hlav\u00e1\u010dek, Petr; Padev\u011bt, Pavel", "title": "Micromechanical Analysis of Cement Paste with Carbon Nanotubes", "date": "2012", "keywords": "cement; cnt; energy; fracture; paste; strength", "summary": "6/2012 CNT length w/c Compressive s. (MPa) Flexural s. (MPa) Ref. (\u00b5m) Plain CNT Plain CNT < 10 P 0.30 38.3\u00b1 8.2 61.8\u00b1 0.8 2.3\u00b1 0.4 2.3\u00b1 0.2 [2] < 30 P 0.30 \u2014 \u2014 9.2 12.6 [4] < \u223c10 M 0.40 28.9 54.3 6.0 8.23 [8] < 500 P 0.45 52.3\u00b1 0.7 62.1\u00b1 1.4 6.7 \u00b1 0.1 8.4\u00b1 0.2 [5] < 100 P 0.50 \u2014 \u2014 5.5 7.2 [9] < \u223c5 P \u2014 49 56 16 8 [12] Table 1: Summary of published data on strength gain when CNT is added to cement. There are controversial results for cement paste with admixed CNT up to 500\u00b5m in length.", "mime": "application/pdf"}, {"id": "ap-1672", "words": "5047", "extension": ".pdf", "flesch": "68", "author": "Ne\u017eerka, V\u00e1clav; Zeman, Jan", "title": "A Micromechanics-Based Model for Stiffness and Strength Estimation of Cocciopesto Mortars", "date": "2012", "keywords": "brick; cement; lime; matrix; model; mortars; phase; stiffness; strength", "summary": "These include estimates of the effective ther- mal conductivity of rubber-reinforced cement compos- ites [31], elasticity predictions for early-age cement [5] or alkali-activated [35] pastes, upscaling the compres- sive strength of cement mortars [26], and multi-scale simulations of three-point bending tests of concrete specimens Although these limi- tations have been overcome with the use of Portland cement in the last 50 years, lime mortars still find use in the restoration of historic structures.", "mime": "application/pdf"}, {"id": "ap-1674", "words": "6613", "extension": ".pdf", "flesch": "51", "author": "Rypl, Daniel; B\u00fdm, Tom\u00e1\u0161", "title": "Geometrical Modeling of Concrete Microstructure for the Assessment of ITZ Percolation", "date": "2012", "keywords": "aggregate; bounding; box; expansion; itz; particle; percolation; points; spheres; surface; volume", "summary": "[27] constructed over a set of particle surface points. This paper deals with geometrical modeling of the concrete microstructure using realistic shapes of aggregate particles, the geometry of which is represented in terms of spherical harmonic expansion.", "mime": "application/pdf"}, {"id": "ap-1676", "words": "5503", "extension": ".pdf", "flesch": "51", "author": "Valenta, Richard; \u0160ejnoha, Michal", "title": "Hierarchical Modeling of Mastic Asphalt in Layered Road Structures Based on the Mori-Tanaka Method", "date": "2012", "keywords": "analysis; asphalt; fig; method; model; mori; scale; sepuc; strain; tanaka", "summary": "A comparison with the application of macroscopic homogenized constitutive model for an asphalt mixture is also presented. The following representation is proposed \u03c9 = [ \u03c4 teq N\u03c40 / sinh ( \u03c4 teq N\u03c40 )]M , (3) where \u03c4eq is the current equivalent deviatoric stress andM,N are model parameters.", "mime": "application/pdf"}, {"id": "ap-1678", "words": "4141", "extension": ".pdf", "flesch": "49", "author": "Patz\u00e1k, Bo\u0159ek", "title": "OOFEM \u2014 an Object-oriented Simulation Tool for Advanced Modeling of Materials and Structures", "date": "2012", "keywords": "class; classes; concrete; design; element; finite; interface; load; model; parallel; problem", "summary": "The implementation of individual elements is further facilitated by the library of classes representing inte- gration points, integration rules, and finite element interpolation spaces. Derived classes do not inherit interfaces automatically; interface imple- mentation has to be declared by each class explicitly.", "mime": "application/pdf"}, {"id": "ap-1680", "words": "4369", "extension": ".pdf", "flesch": "57", "author": "Kruis, Jaroslav; Koudelka, Tom\u00e1\u0161; Krej\u010d\u00ed, Tom\u00e1\u0161", "title": "Hygro-Thermo-Mechanical Analysis of a Reactor Vessel", "date": "2012", "keywords": "concrete; containment; damage; heat; material; model; moisture; prestress; temperature", "summary": "The application of damage models is described in detail in [5]. Several damage models were used in the computer simulation.", "mime": "application/pdf"}, {"id": "ap-1682", "words": "5405", "extension": ".pdf", "flesch": "67", "author": "Posp\u00ed\u0161ilov\u00e1, Ad\u00e9la; Lep\u0161, Matej", "title": "Global Optima for Size Optimization Benchmarks by Branch and Bound Principles", "date": "2012", "keywords": "algorithm; bound; function; method; optimization; optimum; truss; value", "summary": "Keywords: benchmarks, discrete sizing optimization, branch and bound method, global optima, parallel programming. It is thus advan- tageous to decrease the upper bound on the basis of already obtained objective function values.", "mime": "application/pdf"}, {"id": "ap-1684", "words": "6123", "extension": ".pdf", "flesch": "65", "author": "Val\u00e1\u0161ek, Michael; \u0160ika, Zbynek", "title": "Synthesis of Mechanisms by Methods of Nonlinear Dynamics", "date": "2012", "keywords": "dimensions; j=1; mechanism; method; parameters; positions; synthesis; system", "summary": "(yA \u2212 yB)2 + (zA \u2212 zB)2 , cos\u03d5 = xD x2 D + z2 D , (20) `AB = \u221a (xA \u2212 xB)2 + (yA \u2212 yB)2 + (zA \u2212 zB)2, 0 = xA(xB \u2212 xA) + yA(yB \u2212 yA). In addition, the constraints (20) have been changed into the form cos\u03c8 = zB \u2212 zA\u221a (xB \u2212 xA)2 + (yB \u2212 yA)2 + (zB \u2212 zA)2 , cos\u03d5 = xD\u221a x2 D + z2 D , (24) `AB = \u221a (xB \u2212 xA)2 + (yB \u2212 yA)2 + (zB \u2212 zA)2, 0 = xA(xB \u2212 xA) + yA(yB \u2212 yA), \u03d5i = const., \u03c8i = const.", "mime": "application/pdf"}, {"id": "ap-1686", "words": "3174", "extension": ".pdf", "flesch": "61", "author": "Val\u00e1\u0161ek, Michael; Mr\u00e1z, Ladislav", "title": "Massive Parallelization of Multibody System Simulation", "date": "2012", "keywords": "body; dynamics; matrix; solution; system", "summary": "+ `i s\u03d5i, (6) and their time derivatives xBi = xi + `i\u03d5\u0307i c\u03d5i, yBi = yi + `i\u03d5\u0307i s\u03d5i, (7) Rewriting the EOM for the whole system using the equations of motion of single bodies obtained previously, the mass matrix (system matrix) has a block-diagonal structure (8), where each block corre- sponds to one body. 6/2012 Massive Parallelization of Multibody System Simulation Michael Val\u00e1\u0161ek, Ladislav Mr\u00e1z Department of Mechanics, Biomechanics and Mechatronics, Faculty of Mechanical Engineering, Czech Technical University in Prague Technick\u00e1 4, 166 07 Praha 6, Czech Republic Corresponding author: Michael.Valasek@fs.cvut.cz Abstract This paper deals with the decrease in CPU time necessary for simulating multibody systems by massive parallelization.", "mime": "application/pdf"}, {"id": "ap-1688", "words": "4076", "extension": ".pdf", "flesch": "74", "author": "Skal\u00e1k, Zdenek", "title": "The Asymptotic Properties of Turbulent Solutions to the Navier-Stokes Equations", "date": "2012", "keywords": "energy; equations; solutions; stokes", "summary": "[6] Kato, T.: Strong Lp\u2212 solutions of the Navier- Stokes equations in Rm, with applications to weak solutions, Math. [9] Miyakawa, T., Schonbek, M.: On optimal decay rates for weak solutions to the Navier-Stokes equations in Rn, Math.", "mime": "application/pdf"}, {"id": "ap-1690", "words": "6071", "extension": ".pdf", "flesch": "65", "author": "Sv\u00e1\u010dek, Petr; Hor\u00e1\u010dek, Jarom\u00edr; Honz\u00e1tko, Radek; Kozel, Karel", "title": "Simulation of Free Airfoil Vibrations in Incompressible Viscous Flow \u2014 Comparison of FEM and FVM", "date": "2012", "keywords": "angle; fem; flow; fvm; method; numerical; rotation; time; velocity", "summary": "This corresponds to the results of the numeri- cal simulations presented since the system was found stable for upstream flow velocity 35m/s and unstable for upstream flow velocity 40m/s in the case of FEM and 42.5m/s in the case of FVM. Symbol D denotes the diagonal matrix D = diag(0, 1, 1), non-dimensional time is denoted by t, and the non-dimensional space coordinates are denoted by x, y. Symbols u = (u, v)T and p stand for the dimensionless velocity vector and the dimen- sionless pressure, respectively.", "mime": "application/pdf"}, {"id": "ap-1692", "words": "2864", "extension": ".pdf", "flesch": "65", "author": "Bodn\u00e1r, Tom\u00e1\u0161; Bene\u0161, Ludek; Pirkl, Lubo\u0161; Gul\u00edkov\u00e1, Eva", "title": "A Numerical Study of Wind Flow Over a Coal Storage Shelter", "date": "2012", "keywords": "dispersion; figure; flow; numerical; shelter; variant; wind", "summary": "A wind tunnel study of turbulent flow over model hills. Similar problems of atmospheric flows over various obstacles are often studied in the available literature.", "mime": "application/pdf"}, {"id": "ap-1694", "words": "2818", "extension": ".pdf", "flesch": "66", "author": "Halama, Jan", "title": "Transonic Flow of Wet Steam \u2014 Numerical Simulation", "date": "2012", "keywords": "condensation; flow; method; model; numerical; phase", "summary": "6/2012 (a) inviscid flow model (b) laminar flow model Figure 2: Mach number isolines, single-phase flow case. and \u03c4xx = \u03b7 4 3\u2202xux \u2212 2 3\u03b7\u2202yuy, \u03c4xy 6/2012 (a) inviscid flow model (b) laminar flow model Figure 3: Mach number isolines, two-phase flow case.", "mime": "application/pdf"}, {"id": "ap-1696", "words": "1744", "extension": ".pdf", "flesch": "57", "author": "Anisimova, Elena; Bedn\u00e1\u0159, Jan; P\u00e1ta, Petr", "title": "The Point Spread Function Variations inside Wide-field Astonomical Images", "date": "2013", "keywords": "function; image; imaging; moffat; psf", "summary": "Moffat function shape depending on FWHM and atmospheric scattering coefficient \u03b2. Figure 2 shows examples of Moffat function shapes.", "mime": "application/pdf"}, {"id": "ap-1698", "words": "3935", "extension": ".pdf", "flesch": "68", "author": "Beskin, Grigorii; Greco, Giuseppe; Oganesyan, Gor; Karpov, Sergey", "title": "On Some Statistical Properties of GRBs with Measured Redshifts Having Peaks in Optical Light Curves", "date": "2013", "keywords": "gamma", "summary": "optical peaks arise during the main phases of the prompt gamma-ray emission; we will refer to these as prompt optical emission. We studied pair correlations of their gamma-ray and optical parameters, e.g. total energetics, peak optical luminosities, and durations.", "mime": "application/pdf"}, {"id": "ap-170", "words": "1435", "extension": ".pdf", "flesch": "54", "author": "Toman, J.; \u010cern\u00fd, R.", "title": "Thermal and Hygric Expansion of High Performance Concrete", "date": "2001", "keywords": "expansion; linear; \ufffd \ufffd", "summary": "(4) Defining the relative elongation as \ufffd \ufffd \ufffd\ufffdl l l l l l1 0 1 2 d , (5) we obtain \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdu T u T u TT u, , ,\ufffd \ufffd \ufffd0 0 \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd T T u u T u uT T Tu u T T T ud d d dl l l l T uu T u\ufffd \ufffd \ufffd \ufffd\ufffd 0 \ufffd \ufffd .", "mime": "application/pdf"}, {"id": "ap-1700", "words": "10332", "extension": ".pdf", "flesch": "62", "author": "Giovannelli, Franco", "title": "Astroparticle Physics Today", "date": "2013", "keywords": "astrophysics; eds; energy; et al; frontier; giovannelli; graziati; objects; particle; physics; ray; rays; sabau; sources; universe", "summary": "This enhances the efficiency of the process of mass transfer from the primary star onto the secondary collapsed star, as discussed by Giovannelli & Ziolkowski (1990) and by Giovannelli et al. (2007) in the case of A 0535+26. The emitted spectra of jets from cosmic sources of different nature are strongly dependent on the angle formed by the beam axis and the line of sight, and obviously by the Lorentz factor of the particles (e.g. Bednarek et al., 1990 and the references therein; Beall, Guillory & Rose, 1999, 2009; Beall, 2002, 2003, 2008, 2009; Beall et al., 2006, 2007).", "mime": "application/pdf"}, {"id": "ap-1702", "words": "1848", "extension": ".pdf", "flesch": "59", "author": "Hudec, Ren\u00e9; Hudec, Luk\u00e1\u0161", "title": "Finding Hidden Treasures: Investigations in US Astronomical Plate Archives", "date": "2013", "keywords": "archives; collections; czech; number; observatory; plate", "summary": "Suggested strategy Our suggested strategy for data mining and plate digitization in US plate archives is as follows. We report here on an ongoing investigation of US astronomical plate archives and tests of the suitability of transportable scanning devices for in situ digitization of archival astronomical plates.", "mime": "application/pdf"}, {"id": "ap-1704", "words": "1969", "extension": ".pdf", "flesch": "53", "author": "Hudec, Ren\u00e9; Kopel, Fabian; Macsics, Robert; Hadwige, Markus; Heber, Ulrich; Cay\u00e9, Walter", "title": "Classification of Variable Objects for Search for GRB Candidates on Bamberg Photographic Plates", "date": "2013", "keywords": "bamberg; images; objects; plates; sky", "summary": "We have re-analysed the objects recorded in 6 mea- surement books for southern sky surveys, with empha- sis on detailed investigation of non-classified objects suspected to occur only once (i.e., visible only on one plate and below the limit of other plates). The catalogue is divided according to classification types of non-classified objects, namely previously known and newly discovered variable stars, asteroids, emulsion defects, and true OT-GRB candidates.", "mime": "application/pdf"}, {"id": "ap-1706", "words": "1937", "extension": ".pdf", "flesch": "49", "author": "Hudec, Ren\u00e9; Petr\u00e1\u010dek, Vojt\u011bch; \u0160nita, Dalimil", "title": "Czech Contribution to LOFT", "date": "2013", "keywords": "czech; detector; loft; mission; prague; ray; sdd", "summary": "Acta Polytechnica Acta Polytechnica 53(1):30\u201332, 2013 \u00a9 Czech Technical University in Prague, 2013 available online at http://ctn.cvut.cz/ap/ CZECH CONTRIBUTION TO LOFT Ren\u00e9 Hudeca,b,\u2217, Vojt\u011bch Petr\u00e1\u010dekc, Dalimil \u0160nitad a Astronomical Institute, Academy of Sciences of the Czech Republic, CZ-25165 Ond\u0159ejov, Czech Republic b Czech Technical University in Prague, Faculty of Electrical Engineering, Technick\u00e1 2, CZ-16627 Prague, Czech Republic c Czech Technical University in Prague, Faculty of Nuclear Engineering, B\u0159ehov\u00e1 78/7, CZ-11000 Prague, Czech Republic d Institute of Chemical Technology, Technick\u00e1 5, CZ-16628 Prague,Czech Republic \u2217 corresponding author: rhudec@asu.cas.cz Abstract. Production expertise The collaboration teams also have the following pro- duction expertise: \u2022 prototype production of SDD for the ALICE exper- iment \u2013 ICM Prague; \u2022 Post-prototyping contacts in the ON Semiconduc- tor: Roznov, Czech Republic (together with our team, the company tested double-sided technology and later succesfully produced many of the pixel detectors for the ATLAS detector at LHC); \u2022 selection and detector tests \u2013 participation in de- tector construction (Trieste and Torino); \u2022 design and production of the low voltage power supply system for ALICE SDD. 4.", "mime": "application/pdf"}, {"id": "ap-1708", "words": "2371", "extension": ".pdf", "flesch": "60", "author": "Hudec, Ren\u00e9; P\u00edna, Ladislav; Inneman, Adolf; \u010cern\u00e1, Daniela; Mar\u0161\u00edkov\u00e1, Veronika; Tich\u00fd, Vladim\u00edr; M\u00edka, Martin", "title": "The Czech Contribution to Future Large X-Ray Astronomy Telescopes: Recent Progress", "date": "2013", "keywords": "czech; optics; ray; telescopes; wafers", "summary": "Keywords: X-ray astronomy, X-ray telescopes, X-ray optics. In order to achieve the very high accuracy required for future large space X-ray telescopes, the parameters of the Si wafers need to be optimized (for application in X-ray optics) at the production stage.", "mime": "application/pdf"}, {"id": "ap-1710", "words": "4437", "extension": ".pdf", "flesch": "58", "author": "Karpov, Sergey; Beskin, Grigory; Bondar, Sergey; Perkov, Alexey; Ivanov, Evgeny; Guarnieri, Adriano; Bartolini, Corrado; Greco, Giuseppe; Shearer, Andy; Sasyuk, Vyacheslav", "title": "Status and Perspectives of the Mini-MegaTORTORA Wide-field Monitoring System with High Temporal Resolution", "date": "2013", "keywords": "channel; detection; field; megatortora; monitoring; resolution; sky; time; transients", "summary": "Keywords: gamma-ray bursts, high time resolution, wide field photometry. [24, 25], but due to tech- nical limitations it has only been possible either to achieve high temporal resolution of tens of millisec- onds in monitoring of 5\u2032\u201310\u2032 fields, or to use 5\u201310 seconds time resolution in wider fields.", "mime": "application/pdf"}, {"id": "ap-1712", "words": "4123", "extension": ".pdf", "flesch": "64", "author": "Opiela, Rafa\u0142; Ma\u0142ek, Katarzyna; Mankiewicz, Lech; Siudek, Ma\u0142gorzata; Soko\u0142owski, Marcin; \u017barnecki, Aleksander Filip", "title": "Photometric Analysis of Pi of the Sky Data", "date": "2013", "keywords": "catalog; data; measurements; photometry; quality; sky; stars", "summary": "Precision dispersion of star brightness measurements from standard photometry for 200 s exposures (20 co-added frames) from the Pi of the Sky prototype at the Las Campanas Observatory in Chile. \u2022 Identification in the image by photometry with catalog stars from external star catalogs.", "mime": "application/pdf"}, {"id": "ap-1714", "words": "1795", "extension": ".pdf", "flesch": "54", "author": "Topinka, Martin; Hanlon, Lorraine; Meehan, Seamus", "title": "Integration of the Watcher Telescope into the Sierra Stars Observatory Network \u2013 Lessons Learned for GLORIA", "date": "2013", "keywords": "gloria; grb; network; sson; telescope; watcher", "summary": "Keywords: robotic telescope, gamma-ray burst afterglows, GLORIA, SSON. 2. GLORIA project GLORIA stands for \u201cGLObal Robotic-telescopes In- telligent Array\u201d and will be the first free and open access network of robotic telescopes in the world [4].", "mime": "application/pdf"}, {"id": "ap-1716", "words": "2314", "extension": ".pdf", "flesch": "56", "author": "Ulyanov, Alexei; Hanlon, Lorraine; McBreen, Sheila; Foley, Suzanne", "title": "Study of Silicon Photomultipliers for the GRIPS Calorimeter Module", "date": "2013", "keywords": "calorimeter; energy; grips; grm; ray; resolution; sensitivity", "summary": "On-axis point source sensitivity versus calorimeter energy resolution (in units of the baseline resolution) for a narrow line (106 s exposure) source and a continuum GRB spectrum (1 s exposure). On-axis continuum point source sensitivity for a 106 s exposure versus transverse crystal size (left) and versus calorimeter depth resolution (right); E\u22122 spectrum, 0.5 MeV < E < 1.5 MeV.", "mime": "application/pdf"}, {"id": "ap-1718", "words": "2952", "extension": ".pdf", "flesch": "49", "author": "\u017barnecki, Aleksander Filip; Piotrowski, Lech Wiktor; Mankiewicz, Lech; Ma\u0142ek, Sebastian", "title": "Luiza: Analysis Framework for GLORIA", "date": "2013", "keywords": "analysis; data; framework; gloria; image; luiza; marlin; processor", "summary": "The Luiza analysis framework for GLORIA is based on the Marlin package, which was originally developed for data analysis in the new High Energy Physics (HEP) project, International Linear Collider (ILC). The HEP experiments have to deal with enormous amounts of data and distributed data analysis is therefore essential.", "mime": "application/pdf"}, {"id": "ap-1719", "words": "2824", "extension": ".pdf", "flesch": "62", "author": "Bartlova, Milada; Aubrecht, Vladimir; Bogatyreva, Nadezhda; Holcman, Vladimir", "title": "Multigroup Approximation of Radiation Transfer in SF6 Arc Plasmas", "date": "2013", "keywords": "absorption; coefficients; emission; mean; planck; plasma; radiation", "summary": "Net emission coefficients Assuming local thermodynamic equilibrium, coeffi- cient of absorption \u03ba\u03bd is related to the coefficient of emission \u03b5\u03bd by Kirchhoff\u2019s law \u03b5\u03bd = B\u03bd\u03ba\u03bd . Net emission coefficients of SF6 plasma with radius 0.1 cm as a function of temperature for two different cuttings of the frequency interval and various absorption means; comparison with re- sults of Aubrecht", "mime": "application/pdf"}, {"id": "ap-172", "words": "1900", "extension": ".pdf", "flesch": "53", "author": "Toman, J.; \u010cern\u00fd, R.", "title": "Temperature and Moisture Dependence of the Specific Heat of High Performance Concrete", "date": "2001", "keywords": "heat; temperature; water; \ufffd \ufffd", "summary": "[Te, Ts], K is the heat capacity of the calorimeter, mw is the mass of the water, cw is the specific heat of water, Tw0 is the initial water temperature, L is the latent heat of evaporation of water, Qr is the reaction heat, \ufffdm is the mass of evaporated water, \ufffd \ufffd \ufffdm m m m m mcw s N sc\ufffd \ufffd \ufffd \ufffd \ufffd , (2) mcw is the mass of the calorimeter with water before the measurement, ms is the mass of the system calorimeter-wa- ter-sample after measurement, \ufffdmN is the mass of the water naturally evaporated during the measurement (this heat loss is already included in the heat loss calibration curve), \ufffdmsc is the change of mass due to the chemical reaction of the sample with water (e.g., hydrolysis). (3) However, from the physical point of view, it is more correct to determine the value of the specific heat \u201cpointwise\u201d, in accordance with the definition of specific heat, \ufffd \ufffd", "mime": "application/pdf"}, {"id": "ap-1721", "words": "4816", "extension": ".pdf", "flesch": "62", "author": "Batani, Dimitri; Hulin, Sebastien; Ducret, Jean Eric; d\u2019Humieres, Emmanuel; Tikhonchuk et al., Vladimir", "title": "Development of the PETAL Laser Facility and its Diagnostic Tools", "date": "2013", "keywords": "diagnostics; electron; energy; experiments; facility; ignition; interaction; laser; lmj; petal; physics; plasma; proton; target", "summary": "PETAL laser system The PETAL system, under construction on the LMJ site, has the ultimate goal to reach 7PW (3.5 kJ with 0.5 ps pulses). After a detailed char- acterization of particle emission from PETAL targets, the diagnostics will be used for plasma experiments.", "mime": "application/pdf"}, {"id": "ap-1723", "words": "1470", "extension": ".pdf", "flesch": "62", "author": "Bogachev, Nikolay N.; Bogdankevich, Irina L.; Gusein-zade, Namik G.; Tarakanov, Vladimir P.", "title": "Computer Simulation of a Plasma Vibrator Antenna", "date": "2013", "keywords": "antenna; metal; plasma; radiation", "summary": "Many experiments have been carried out with plasma antennas to transmit and receive signals. Keywords: computer simulation, plasma antenna, KARAT code, MMANA program.", "mime": "application/pdf"}, {"id": "ap-1725", "words": "2756", "extension": ".pdf", "flesch": "53", "author": "Bordusau, Siarhei; Madveika, Siarhei; Dostanko, Anatolii", "title": "The Process of Plasma Chemical Photoresist Film Ashing from the Surface of Silicon Wafers", "date": "2013", "keywords": "ashing; chemical; discharge; microwave; photoresist; plasma; wafers", "summary": "Peculiar features of microwave energy and silicon wafer interaction should be taken into consideration as well as used in developing and their processing in plasma microwave discharge. In order to improve the efficiency of microwave plasma chemical ashing of photoresist films from the surface of silicon wafers a two-stage process of treating was developed.", "mime": "application/pdf"}, {"id": "ap-1727", "words": "4177", "extension": ".pdf", "flesch": "62", "author": "Borgun, Ievgeniia V.; Azarenkov, Mykola O.; Hassanein, Ahmed; Tseluyko, Oleksandr F.; Maslov, Vasyl I.; Ryabchikovk, Dmitro L.", "title": "The Formation of a Power Multi-Pulse Extreme Ultraviolet Radiation in the Pulse Plasma Diode of Low Pressure", "date": "2013", "keywords": "anode; current; discharge; energy; plasma; radiation; range; wavelength", "summary": "Radiation energies (spike and wide pulse en- ergies) in the 12.2 \u00f7 15.8 nm wavelength range as func- tions of the stored energy for the different anode di- ametres: da = 1.5, 2.5, 5.0 mm. and third half-periods is high in spite of a much lower (as compared to the first half-period) energy pump, indicates that the number of particles in the dense radiating plasma remains nearly constant for a fairly long time (approximately 6 \u00b5s). The conversion efficiency of pumped energy into radiation energy at the double layer formation (beam mechanism of plasma heating) is essentially higher in comparison with ordinary heating by current, be- cause in first case approximately all energy is pumped in very small volume.", "mime": "application/pdf"}, {"id": "ap-1729", "words": "2992", "extension": ".pdf", "flesch": "63", "author": "Caniello, Roberto; Vassallo, Espedito; Cremona, Anna; Grosso, Giovanni; Dellasega, David; Canetti, Maurizio; Miorin, Enrico", "title": "Growth and Physical Structure of Amorphous Boron Carbide Deposited by Magnetron Sputtering on a Silicon Substrate with a Titanium Interlayer", "date": "2013", "keywords": "boron; carbide; coatings; films; structure; substrate", "summary": "Anodization of Ti thin film deposited on ITO. Langmuir 25(1):509\u2013514, 2009. Filament activated chemical vapor deposition of boron carbide coatings.", "mime": "application/pdf"}, {"id": "ap-1731", "words": "2281", "extension": ".pdf", "flesch": "55", "author": "Cech, Jan; Hanusova, Jana; Stahel, Pavel; Slavicek, Pavel", "title": "Diffuse Coplanar Surface Barrier Discharge in Nitrogen: Microdischarges Statistical Behavior", "date": "2013", "keywords": "current; discharge; half; input; period; voltage", "summary": "From the presented data the tendency is that the substantial number of microdischarges (identi- fied as discharge current peaks) do not form new mi- crochannels but rather prolongate or branch existing discharge microchannels. In past decades the importance of barrier discharges as the sources of non-equilibrium plasmas for material processing has raised [3].", "mime": "application/pdf"}, {"id": "ap-1733", "words": "1735", "extension": ".pdf", "flesch": "62", "author": "Cherednychenko, Tatyana N.; Garkusha, Igor E.; Chebotarev, Vladimir V.; Solyakov, Dmytro G.; Petrov, Yuriy V.; Ladygina, Maryna S.; Eliseev, Dmytro V.; Chuvilo, Alexander A.", "title": "Local Magnetohydrodynamic Characteristics of the Plasma Stream generated by MPC", "date": "2013", "keywords": "current; plasma; plasma stream; stream", "summary": "The spatial distributions of the electric current in plasma stream for the second operation mode; a) 6 \u00b5s, b) 10 \u00b5s. Figure 5. Discharge characteristics and dynamics of compressive plasma streams generated by a compact magnetoplasma compressor.", "mime": "application/pdf"}, {"id": "ap-1735", "words": "2764", "extension": ".pdf", "flesch": "62", "author": "Cikhardt, Jakub; Kl\u00edr, Daniel; Kube\u0161, Pavel; Krav\u00e1rik, Josef; Rez\u00e1c, Karel; \u0160\u00edla, Ondrej; Shishlov, Alexander V.; Labetsky, Alexey Yu.", "title": "The Construction of the Fast Resistive Bolometer for a SXR Measurement on the GIT-12 Facility", "date": "2013", "keywords": "bolometer; current; energy; foil; gas; time", "summary": "Introduction The ohmic bolometer is based on the principle of trans- formation of radiated energy into thermal energy. During the stagnation of the dense neon gas-puff, the most of kinetic energy of the Z-pinch is radiating in neon K-shell lines (h\u03bd \u223c= 0.9\u00f71.4 keV)", "mime": "application/pdf"}, {"id": "ap-1737", "words": "2588", "extension": ".pdf", "flesch": "57", "author": "Cutroneo, Mariapompea; Torrisi, Lorenzo; Ando\u2019, Lucio; Cavallaro, Salvatore; Ullschmied, Jiri; Krasa, Josef; Margarone, Daniele; Velyhan, Andreji; Pfeifer, Miroslav", "title": "Thomson Parabola Spectrometer for Energetic Ions Emitted from Sub-ns Laser Generated Plasmas", "date": "2013", "keywords": "charge; energy; ion; ions; laser; plasma; state", "summary": "Several homogeneous Au samples ranging in thickness from 0.6 to 50 mi- crons were irradiated at the same experimental and geometrical conditions for laser energy, focal position and magnetic-electric deflections. The lowermost parabola corresponds to the deflected protons, while the other parabolas corresponds to Au ions with high charge states.", "mime": "application/pdf"}, {"id": "ap-1739", "words": "2436", "extension": ".pdf", "flesch": "55", "author": "Fantova, Vladyslava; Buja\u010dek, Karol; K\u0159\u00edha, V\u00edt\u011bzslav; Jul\u00e1k, Jaroslav", "title": "Inactivation of Candida albicans by Corona Discharge: The Increase of Inhibition Zones Area After Far Subsequent Exposition", "date": "2013", "keywords": "dish; expositions; inhibition; plasma; treatment; zone", "summary": "The overlapping of inhibition zones was observed for the distance of 1 cm, where it was difficult to distinguish particular inhibition zones, therefore this sample was excluded from the data processing. In case of the four times exposed agars, we observed significant differences in inhibition zone areas, dependent not only on the exposition site distances, but also on the exposition order.", "mime": "application/pdf"}, {"id": "ap-174", "words": "1800", "extension": ".pdf", "flesch": "57", "author": "Toman, J.; \u010cern\u00fd, R.", "title": "Thermal Conductivity of High Performance Concrete in Wide Temperature and Moisture Ranges", "date": "2001", "keywords": "t t; t \ufffd; \ufffd d; \ufffd \ufffd", "summary": "There must exist one-to-one parametrizations x \ufffd x0(\ufffd, t), t \ufffd t0(\ufffd, x) where both x0 and t0 are monotonous functions. d \ufffd \ufffd \ufffd \ufffd\ufffd \ufffdI x t x tT \ufffd \ufffd \ufffd0 2 0 1, , .", "mime": "application/pdf"}, {"id": "ap-1741", "words": "1685", "extension": ".pdf", "flesch": "52", "author": "Godun, Dmitriy V.; Bordusov, Sergey. V.; Dostanko, Anatoliy P.", "title": "Systems of Electronic Overcurrent Protection in Pulse Power Generator Operating on Plasma Load", "date": "2013", "keywords": "current; power; protection; pulse; system", "summary": "The fast-acting complex protection system of pulse power generator is to ensure its blocking with the lapse of time not exceeding 100 nanoseconds. The application of fast-acting optical systems of data transfer in the composition of the current and thermal protection circuits allows to block the op- eration of pulse power generator with the lapse of time not exceeding 100 nanoseconds.", "mime": "application/pdf"}, {"id": "ap-1743", "words": "3395", "extension": ".pdf", "flesch": "64", "author": "Golosov, Dmitriy A.; Zavatskiy, Sergey M.; Melnikov, Sergey N.", "title": "Physical and Electrical Properties of Yttria-Stabilized Zirconia Thin Films Prepared by Radio Frequency Magnetron Sputtering", "date": "2013", "keywords": "films; structures; ysz", "summary": "In the present paper, the authors report the syn- thesis of YSZ thin films by RF magnetron sputtering and report the results of studying the structural and electrical properties of YSZ films. In order to form the crystalline structure, the deposited films were annealed in air over a temperature range of 700 \u00f7 900 \u25e6C. By XRD analysis it was established that as the deposited films were amorphous, they crystallized into a pure cubic structure as a result of annealing in air at a temperature above 820 \u25e6C. The electrophysical properties of YSZ films were investigated on structures such as Ni/YSZ/Pt/Ti/Si and Ni/YSZ/Si.", "mime": "application/pdf"}, {"id": "ap-1745", "words": "2454", "extension": ".pdf", "flesch": "60", "author": "Grigaitiene, Viktorija; Tamo\u0161iunas, Andrius; Valatkevi\u010dius, Pranas", "title": "The Research on Atmospheric Pressure Water Vapour Plasma Generation and Application for the Destruction of Wastes", "date": "2013", "keywords": "flow; plasma; s\u22121; torch; vapour; water", "summary": "Water vapour plasma torch in operation is showed in Fig. The chemical composition of water vapour plasma was established from the emission spectrum lines at 300 \u00f7 800 nm range.", "mime": "application/pdf"}, {"id": "ap-1747", "words": "4194", "extension": ".pdf", "flesch": "63", "author": "Gurin, Anatolii A.; Adamenko, Andrii S.; Adamenko, Stanislav V.; Kuzmenko, Mykola M.", "title": "Proton- and -radiation of the Micro-Pinch with the Boron-Containing Target", "date": "2013", "keywords": "energy; ions; micro; particles; plasma; protons; spot; target; tracks", "summary": "(This number is determined by counting the total number of proton tracks, de- flected by the magnetic field, directly in the magnet gap with an additional small 5mm aperture at the en- trance into magnet). In 5% of the shots, the presence of \u03b1-particles of energy up to 2MeV in the flux of fast ions is discovered by means of Thomson analyser equipped with track detectors.", "mime": "application/pdf"}, {"id": "ap-1749", "words": "2370", "extension": ".pdf", "flesch": "61", "author": "Hlavat\u00e1, Lucie; Serbanescu, Rodica; Hlochov\u00e1, Lenka; Koz\u00e1kov\u00e1, Zdenka; Kr\u010dma, Franti\u0161ek", "title": "Pin Hole Discharge Creation in Na2SO4 Water Solutions", "date": "2013", "keywords": "barrier; current; discharge; hole; pin; voltage", "summary": "Oscilloscope Tektronix TDS 1012B operating up to 100MHz with Tektronix P6015A high volt- age probe was used to obtain time resolved charac- teristics of discharge voltage and current with focus on the breakdown moment. Keywords: pin hole discharge, discharge in liquids, discharge breakdown.", "mime": "application/pdf"}, {"id": "ap-1751", "words": "2544", "extension": ".pdf", "flesch": "69", "author": "Hork\u00fd, Miroslav", "title": "Instability Growth Rate Dependence on Input Parameters During the Beam\u2013Target Plasma Interaction", "date": "2013", "keywords": "dependence; parameters; results", "summary": "\u2212\u21262 1\u03c9 2 c1 \u2212 \u21261\u03c9 2 c1k(G3) + ( \u03c92 c1k 2 c2 s1 + \u03c92 c1\u03c9 2 p1 ) (G2)2 ] \u00b7 [ \u2126 4 2 + i\u21262 2\u03c9c2ku2(G1)\u2212\u21262 2 ( c2 s2k 2 + 1 ) \u2212\u21262 2\u03c9 2 c2 \u2212 \u21262\u03c9 2 c2ku2(G3) + ( \u03c92 c2k 2 c2 s2 + \u03c92 c2 ) (G2)2 ] \u2212 [ \u03c92 p1 ( \u2126 2 1 \u2212 \u03c92 c1(G2)2 )] \u00b7 [ \u2126 2 2 \u2212 \u03c92 c2(G2)2 ] = 0, (5) where we denoted G1 = (cos \u03b8B sin\u03d5 sin \u03b8k), G2 = (cos\u03d5 sin \u03b8k sin \u03b8B + cos \u03b8k cos \u03b8B), G3 = (cos2 \u03b8B cos\u03d5 sin \u03b8k \u2212 cos \u03b8B cos \u03b8k sin \u03b8B), \u21261 = \u03c9 \u2212 k cos\u03d5 sin \u03b8k, \u21262 = \u03c9 \u2212 ku2 cos\u03d5 sin \u03b8k. [ iF (0) \u03b1 \u00b7 eB m\u03b1 + ( c2 s\u03b1k 2 + \u03c92 p\u03b1 ) k \u00b7 eB k2 ]} \u2212 2\u220f \u03b1=1 \u03c92 p\u03b1 k2 [ \u21262 \u03b1k 2 \u2212 \u03c92 c\u03b1 (eB \u00b7 k)2 ] = 0, (3) where \u2126\u03b1 = \u03c9 \u2212 k \u00b7 u(0) \u03b1 , (4) \u03c9c\u03b1 is the cyclotron frequency, F(0) \u03b1 is the Lorentz magnetic force, eB is the unit vector in the direc- tion of magnetic field and cs\u03b1 is the sound velocity.", "mime": "application/pdf"}, {"id": "ap-1753", "words": "4367", "extension": ".pdf", "flesch": "60", "author": "Jakubova, Ivana; Senk, Josef; Laznickova, Ilona", "title": "The Influence of Nitrogen in Ar+N2 Mixture on Parameters of High-Temperature Device with Electric Arc", "date": "2013", "keywords": "anode; arc; device; nitrogen; power", "summary": "Similarly, Figure 7 includes the data measured for 1.6 and 8% for variant B. Com- paring the efficiency of the device in both configura- tions, clearly better efficiency at the output of the an- ode channel for configuration B compared to configu- ration A is deteriorated by higher power loss of reac- tor 1 in variant B. Conclusions can be useful for the design of high temperature devices operating with argon/nitrogen mixture.", "mime": "application/pdf"}, {"id": "ap-1755", "words": "2073", "extension": ".pdf", "flesch": "68", "author": "Kortanek, Jiri; Kubes, Pavel", "title": "Calculation of the Inductance of Plasma Column at PF-1000 Device with Assumed Current Distribution", "date": "2013", "keywords": "column; current; inductance; plasma; shot", "summary": "Inductance of shots No. 9011 and No. 9013 using plasma border detection. These constants are set for the borders to follow the places where we see a sharp rise or drop in plasma density.", "mime": "application/pdf"}, {"id": "ap-1757", "words": "2420", "extension": ".pdf", "flesch": "60", "author": "Lee, Won-Ho; Lee, Jong-Chul", "title": "Atmospheric Argon Free burning Arcs with a Simplified Unified Model Using CFD-Arc Modeling", "date": "2013", "keywords": "anode; arc; arcs; burning; plasma; temperature", "summary": "The present results for 200A, com- pared with those of [3, 11] given in brackets, were maximum arc temperature 24 300K (23 700K), max- imum axial velocity 500m/s (500m/s) and arc volt- age 10.5V (12.9V). Free burning arcs, where the work piece acts as an anode, are frequently used for a number of applications.", "mime": "application/pdf"}, {"id": "ap-1759", "words": "2483", "extension": ".pdf", "flesch": "62", "author": "Makhlaj, Vadym A.; Garkusha, Igor E.; Aksenov, Nikolay N.; Chuvilo, Alexander A.; Landman, Igor S.", "title": "High-Speed Monitoring of Dust Particles in ITER ELMs Simulation Experiments with QSPA Kh-50", "date": "2013", "keywords": "dust; heat; particles; plasma; qspa; surface; tungsten", "summary": "It is interesting to compare the results of QSPA Kh-50 plasma exposures with performed ex- periments on erosion product monitoring in QSPA-T facility [3, 1]. The main parameters of QSPA plasma streams were as follows: ion impact energy about 0.4 \u00f7 0.6 keV, the maximum plasma pressure 3.2 bar, and the plasma stream diameter about 18 cm.", "mime": "application/pdf"}, {"id": "ap-176", "words": "2370", "extension": ".pdf", "flesch": "57", "author": "Vognar, M.; \u0160im\u00e1n\u011b, \u010c.; Chv\u00e1til, D.", "title": "Faraday Cup for Electron Flux Measurements on the Microtron MT 25", "date": "2001", "keywords": "beam; cup; electron; faraday; faraday cup; window", "summary": "AP1_01.vp \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ 11 Acta Polytechnica Vol. 41 No.1/2001 1 Introduction The study of electron induced radiation effects requires a good knowledge of the value of electron flux density during irradiation. Keywords: microtron, Faraday cup, electron beams, electron flux measurement Fig.", "mime": "application/pdf"}, {"id": "ap-1761", "words": "11523", "extension": ".pdf", "flesch": "54", "author": "Mat\u011bj\u00ed\u010dek, Ji\u0159\u00ed", "title": "Materials for Fusion Applications", "date": "2013", "keywords": "components; conductivity; demo; energy; et al; facing; fusion; heat; hydrogen; irradiation; iter; materials; neutron; nucl; plasma; properties; reactor; surface; temperature; tritium; tungsten; wall", "summary": "Design requirements for plasma facing materials in ITER. Interactions with Hydrogen Isotopes The interaction of fusion materials with hydrogen iso- topes is important from the point of view of the effects on materials properties and behavior, as well as for the fuel balance.", "mime": "application/pdf"}, {"id": "ap-1763", "words": "3818", "extension": ".pdf", "flesch": "63", "author": "Olszewski, Serge; Lisitchenko, Tamara; Yukhymenko, Vitalij", "title": "Long-Lived Plasma Process, Created by Impulse Discharge in Micro-Disperse Droplet Environment", "date": "2013", "keywords": "discharge; drops; field; liquid; plasma; process; spark; time", "summary": "Photo of plasma processes in micro-disperse droplet environment, a) spark discharge between metal electrodes, b) sliding discharge along inside surface working vessel between high-voltage electrode and wa- ter surface, c) long-lived plasma process with spectral properties different from the previous discharges types. The duration current impulse of spark discharge was \u2264 10 \u00b5s. Fig.", "mime": "application/pdf"}, {"id": "ap-1765", "words": "2660", "extension": ".pdf", "flesch": "60", "author": "Petit, Jean P.; Dore, Jean C.", "title": "Velikhov Electrothermal Instability Cancellation by a Modification of Electrical Conductivity Value in a Streamer by Magnetic Confinement", "date": "2013", "keywords": "instability; international; mhd; petit; shock; value; velikhov", "summary": "Theoretical analysis of shock wave anihilation with MHD force field. Shock wave annihilation by MHD action in supersonic flow.", "mime": "application/pdf"}, {"id": "ap-1767", "words": "3175", "extension": ".pdf", "flesch": "61", "author": "P\u00edchal, Jan; Klenko, Julia", "title": "Positioning of the Precursor Gas Inlet in an Atmospheric Dielectric Barrier Reactor, and its Effect on the Quality of Deposited TiOx Thin Film Surface", "date": "2013", "keywords": "deposition; film; plasma; reactor; slm; surface; ttip", "summary": "We used the plasma enhanced chemical vapour deposition (PECVD) method applying atmospheric dielectric barrier discharge (ADBD) plasma for TiOx thin films deposition, employing titanium isopropoxide (TTIP) and oxygen as reactants, and argon as a working gas. The XPS peak positions were referenced at the aliphatic carbon component at 285.0 eV. Due to inadequate equipment we were unfortunately not able to clean the film profile by sput- tering and perform XPS profile tests, so our research had to focus on film surface tests only.", "mime": "application/pdf"}, {"id": "ap-1769", "words": "2041", "extension": ".pdf", "flesch": "63", "author": "\u0160\u00edla, Ondrej; Kube\u0161, Pavel; Krav\u00e1rik, Josef; Rez\u00e1c, Karel; Kl\u00edr, Daniel; Cikhardt, Jakub", "title": "Estimation of Amount of Scattered Neutrons at Devices PFZ and GIT-12 by MCNP Simulations", "date": "2013", "keywords": "device; figure; neutrons; pfz; setup", "summary": "Neutron energy spectrum in place of three scintillation probes in PFZ experimental setup We calculated neutron energy spectrum in three places where we put probes in our experimental setup. For estimating of neutron energy we use time-of- flight method.", "mime": "application/pdf"}, {"id": "ap-1771", "words": "2417", "extension": ".pdf", "flesch": "54", "author": "\u0160m\u00edd, Michal; Antonelli, Luca; Renner, Oldoich", "title": "X-ray Spectroscopic Characterization of Shock-Ignition-Relevant plasmas", "date": "2013", "keywords": "electrons; laser; plasma; ray; shock; target", "summary": "Keywords: hot electrons, shock ignition, laser-produced plasma, X-ray spectroscopy, K\u03b1 radiation. Found values of plasma temperature 690 \u00b1 10 eV, electron density 3 \u00d7 1022 cm\u22123 and the effective energy of hot electrons 45 \u00b1 20 keV demonstrate the potential of X-ray methods in the characterization of the shock ignition environmental conditions.", "mime": "application/pdf"}, {"id": "ap-1773", "words": "2521", "extension": ".pdf", "flesch": "55", "author": "Tichy, David; Hajkova, Pavlina", "title": "Modification of Composite Material Fillers by Atmospheric Plasma Discharge", "date": "2013", "keywords": "effect; modification; plasma; sample; surface; textile; wettability", "summary": "This work is focused on the observation of the influence of cold atmospheric dielectric barrier discharge (DBD) on a modification of textile samples. Textile samples The modified samples were made from a commercial E-glass.", "mime": "application/pdf"}, {"id": "ap-1775", "words": "2823", "extension": ".pdf", "flesch": "55", "author": "Torrisi, Lorenzo; Cavallaro, Salvatore; Cutroneo, Mariapompea; Krasa, Josef", "title": "Nuclear Fusion Effects Induced in Intense Laser-Generated Plasmas", "date": "2013", "keywords": "deuterium; d\u2212d; energy; fusion; ions; laser; plasma; target", "summary": "Deuterium ions at kinetic energies above 4MeV have been measured by using ion collectors and SiC detectors in time-of-flight configuration. Thus protons and deuterium ions emitted from primary and sec- ondary targets, can be detected and their kinetic energy measured.", "mime": "application/pdf"}, {"id": "ap-1777", "words": "2790", "extension": ".pdf", "flesch": "65", "author": "Tur\u010di\u010dov\u00e1, Hana; Huynh, Jaroslav", "title": "Stimulated Raman Backscattering in Plasma \u2014 a Promising Tool for the Generation of Ultra-High Power Laser Beams", "date": "2013", "keywords": "amplification; beam; laser; plasma; pulse; pump; raman; seed", "summary": "Keywords: stimulated Raman scattering, laser plasma, high intensity lasers. In the last fifteen years again a new potentially revolutionary technique has emerged from theoretical studies of wave instabilities in laser plasma, which presents a possibility of the production of intense and ultrashort laser pulses even without the large compres- sors.", "mime": "application/pdf"}, {"id": "ap-1779", "words": "3273", "extension": ".pdf", "flesch": "64", "author": "Tutyk, Valery A.; Ovcharuk, Anatoliy N.; Gasik, Michail I.; Maslenikov, Dmitriy V.", "title": "Ignition Features of Plasma-Beam Discharge in Gas-Discharge Electron Gun Operation", "date": "2013", "keywords": "beam; discharge; electron; gas; ignition; pbd; plasma; vacuum", "summary": "The mea- surements of concentration of PBD plasma electrons were carried out under conditions of increasing pres- sure and they showed that electrons concentration was within the range of ne \u2248 1010 \u00f7 1011 cm\u22123. where \u03bden is collision frequency of plasma electrons with neutrals, \u03c9pe = 5.64 \u00d7 104n 1/2 e is Langmuire electron frequency of plasma.", "mime": "application/pdf"}, {"id": "ap-178", "words": "3491", "extension": ".pdf", "flesch": "71", "author": "\u0160im\u00e1n\u011b, \u010c.; Vognar, M.; Chv\u00e1til, D.", "title": "Some Aspects of Profiling Electron Fields for Irradiation by Scattering on Foils", "date": "2001", "keywords": "beam; electron; scattering; \ufffd \ufffd", "summary": "\ufffd \ufffd\ufffd0 2 137\ufffd \ufffdZe hc Z \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdg x E x E x sZx AE\ufffd \ufffd \ufffd \ufffd 0 01 0153 19 45. MeV \ufffd \ufffd \ufffd \ufffd\ufffd1 2 1 2 0 22\ufffd K f x mc \ufffd x = foil thickness", "mime": "application/pdf"}, {"id": "ap-1781", "words": "2691", "extension": ".pdf", "flesch": "66", "author": "Velardi, Luciano; Side, Domenico Delle; Marco, Massimo De; Nassisi, Vincenzo", "title": "Emittance Characterization of Ion Beams Provided by Laser Plasma", "date": "2013", "keywords": "beams; emittance; ion; laser; plasma; voltage", "summary": "Laser ion sources offer the possibility to obtain ion beams useful for particle accelerators. Keywords: LIS source, ion beam, emittance.", "mime": "application/pdf"}, {"id": "ap-1785", "words": "1892", "extension": ".pdf", "flesch": "70", "author": "Hubata-Vacek, V\u00e1clav; Kukal, Jarom\u00edr; Rusina, Robert; Buncov\u00e1, Marie", "title": "Fractal Dimension Estimation in Diagnosing Alzheimer\u2019s Disease", "date": "2013", "keywords": "entropy; estimates", "summary": "Dimension estimates via various entropy estimates. Estimated entropies from a limited data set are always biased.", "mime": "application/pdf"}, {"id": "ap-1787", "words": "5635", "extension": ".pdf", "flesch": "71", "author": "H\u00fcbner, Jakub; Vrba, Pavel", "title": "A Study of Coherent Radiation Generated in an Ablative Capillary Discharge", "date": "2013", "keywords": "capillary; gain; imax; time", "summary": "For capillary parameters N0 = 3 \u00b7 1017 cm\u22123, r0 = 0.6mm, Imax = 35 kA, t2 = 310 ns, carbon inner filling, and the alumina wall material. For capillary parameters N0 = 3 \u00b7 1017 cm\u22123, r0 = 0.6mm, Imax = 50 kA, t2 = 310 ns, carbon inner filling, and alumina wall material.", "mime": "application/pdf"}, {"id": "ap-1789", "words": "3990", "extension": ".pdf", "flesch": "59", "author": "Kutilek, Patrik; Viteckova, Slavka; Svoboda, Zdenek", "title": "Characterization of Human Gait using Fuzzy Logic", "date": "2013", "keywords": "angle; cyclogram; gait; inclination; speed; system; type; walking", "summary": "Fuzzy rule based expert system We can use fuzzy sets to evaluate the angle-angle di- agrams (cyclograms). Fuzzy sets of variables and linguistic expressions based on the area and the inclination angle of the cyclogram. toolboxes", "mime": "application/pdf"}, {"id": "ap-1791", "words": "2344", "extension": ".pdf", "flesch": "67", "author": "Tylova, Lucie; Kukal, Jaromir; Vysata, Oldrich", "title": "Predictive Models in Diagnosis of Alzheimer\u2019s Disease from EEG", "date": "2013", "keywords": "disease; eeg; model; predictive", "summary": "Keywords: Alzheimer\u2019s disease, EEG, linear predictive model, quasi-stationarity, robust statistics, multiple testing, FDR. Predictive model Let m be the length of a segment.", "mime": "application/pdf"}, {"id": "ap-1793", "words": "4291", "extension": ".pdf", "flesch": "61", "author": "Temmerman, Gregory De; Bystrov, Kirill; Liu, Feng; Liu, Wei; Morgan, Thomas; Tanyeli, Irem; Berg, Miranda van den; Xu, Haiyan; Zielinski, Jakub", "title": "Plasma\u2013Surface Interactions Under High Heat and Particle Fluxes", "date": "2013", "keywords": "conditions; fluxes; fusion; heat; nucl; particle; plasma; psi; surface; tungsten", "summary": "High-resolution SEM images of helium- induced nanostructures formed on (a) tungsten and (b) molybdenum surfaces after high flux plasma exposure. The linear plasma devices at FOM can generate plasma fluxes of up to 1025 m\u22122 s\u22121 in DC opera- tions and up to 1026 m\u22122 s\u22121 for ms durations when the plasma source is pulsed.", "mime": "application/pdf"}, {"id": "ap-1795", "words": "2978", "extension": ".pdf", "flesch": "60", "author": "Hlad\u00edk, Jakub; L\u00f3rencz, R\u00f3bert; \u0160ime\u010dek, Ivan", "title": "Clock Math \u2014 a System for Solving SLEs Exactly", "date": "2013", "keywords": "equations; gpu; linear; matrix; solving; system; vector", "summary": "As we now have a working system, we would like to proceed to: \u2022 add support for both single and double precision for matrix elimination, as the \u03b2 vector module count and GPU performance may differ; \u2022 add support for larger matrices than 4096\u00d7 4096 \u2013 optimize SMP shared memory usage; \u2022 add support for automatic kernel group size tuning for larger matrices, as the group size lowers the mem- ory access time on different GPUs/architectures; \u2022 examine the modulus operation performance across different GPU architectures and further opti- mize the SAXPY, respectively DAXPY functions (modm); \u2022 utilize OpenMPI library to add cluster support; \u2022 adjust and run the solver on our university STAR cluster to test AMD\u2019s OpenCL CPU implementa- tion. The goal of matrix scaling is to adjust all the floating-point numbers of the matrix to their corresponding integer versions.", "mime": "application/pdf"}, {"id": "ap-1797", "words": "6445", "extension": ".pdf", "flesch": "64", "author": "Cartarius, Holger; Dast, Dennis; Haag, Daniel; Wunner, G\u00fcnter; Eichler, R\u00fcdiger; Main, Jorg", "title": "Stationary and Dynamical Solutions of the Gross-Pitaevskii Equation for a Bose-Einstein Condensate in a PT symmetric Double Well", "date": "2013", "keywords": "equation; phys; pitaevskii; potential; solutions; symmetric; time; wave", "summary": "This is always fulfilled for PT symmetric wave functions. In this article, we will solve the Gross-Pitaevskii equation of such a system and show that it indeed supports PT symmetric solutions.", "mime": "application/pdf"}, {"id": "ap-1799", "words": "1550", "extension": ".pdf", "flesch": "70", "author": "Dey, Sanjib; Fring, Andreas", "title": "The Two-dimensional Harmonic Oscillator on a Noncommutative Space with Minimal Uncertainties", "date": "2013", "keywords": "oscillator; phys", "summary": "|00\u3009, a\u2020i |n1n2\u3009 = \u221a ni + 1 \u2223\u2223(n1 + \u03b4i1)(n2 + \u03b4i2) \u232a , ai|00\u3009 = 0, ai|n1n2\u3009 = \u221a ni \u2223\u2223(n1 \u2212 \u03b4i1)(n2 \u2212 \u03b4i2) \u232a , (9) for i = 1, 2, such thatH2D ho |nl\u3009 = E (0) nl |nl\u3009. Keywords: noncommutative space, non-Hermitian operators, 2D-systems.", "mime": "application/pdf"}, {"id": "ap-180", "words": "3387", "extension": ".pdf", "flesch": "62", "author": "Kop\u00e1\u010dkov\u00e1, M.", "title": "Critical Length of a Column in View of Bifurcation Theory", "date": "2001", "keywords": "s s; s \ufffd; \ufffd d; \ufffd sin; \ufffd u; \ufffd \ufffd", "summary": "Comparing the coefficients corresponding to the same power tn, n = 1, 2, 3, \u2026, we get an infinite system of equations, three of which are written below \ufffd \ufffd \ufffd \ufffd\ufffd\ufffd \ufffd \ufffdv s s v s0 0 0 0\ufffd , (21) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd\ufffd \ufffd \ufffd \ufffdu s s u s v s2 0 2 0\ufffd \ufffd , (22) \ufffd \ufffd \ufffd \ufffd\ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffdu s s u s s v v u v3 0 3 0 0 2 0 3 0 3 2 6 \ufffd \ufffd \ufffd \ufffd \ufffd . u0 is a solution of \ufffd \ufffd \ufffd \ufffd\ufffd\ufffd \ufffd \ufffdu s s u s\ufffd0 0, representing together with v0 a fundamental system of solu- tions to the above equation.", "mime": "application/pdf"}, {"id": "ap-1801", "words": "5366", "extension": ".pdf", "flesch": "70", "author": "Exner, Pavel; Barseghyan, Diana", "title": "Spectral Analysis of Schr\u00f6dinger Operators with Unusual Semiclassical Behavior", "date": "2013", "keywords": "operator", "summary": "Schr\u00f6dinger operators in cusps with non-trivial geometry In the second part of the paper we shall discuss Schr\u00f6dinger type operators H\u2126 = \u2212\u2206\u2126 D In this paper we discuss several examples of Schr\u00f6dinger operators describing a particle confined to a region with thin cusp-shaped \u2018channels\u2019, given either by a potential or by a Dirichlet boundary; we focus on cases when the allowed phase space is infinite but the operator still has a discrete spectrum.", "mime": "application/pdf"}, {"id": "ap-1803", "words": "1593", "extension": ".pdf", "flesch": "68", "author": "Hammou, Amine B.", "title": "Generalized Continuity Equation for Quasi-Hermitian Hamiltonians", "date": "2013", "keywords": "potential; relation", "summary": "Using a quasi-Hermitian toy model of discrete delta function potential, it was shown that the reflection and transmission coefficients computed using this current obey the unitarity relation. By an appropriate mod- ification of the inner product on the Hilbert space, quasi-Hermitian operators can be made Hermitian [8].", "mime": "application/pdf"}, {"id": "ap-1805", "words": "4808", "extension": ".pdf", "flesch": "67", "author": "Himmel, Martin", "title": "On the Solvability of Some Partial Differential Inequality", "date": "2013", "keywords": "differential; dulac; function; system; vector", "summary": "Thus, it is possible to interpret integrating factors and Dulac functions as invariant functions to certain cofactors: an inte- grating factor is nothing but an invariant function having cofactor k = \u2212divX (16) and a Dulac function is an invariant function with cofactor k = \u2212 divX + 1 f \u00b7 g, (17) The multiplier B \u2208W 1,p(\u2126,R) is called Dulac function of the planar dynamical system (1) in \u2126 \u2286 D if and only if there is a real-valued continuous function g > 0 having a positive sign in \u2126 except on a set of Lebesgue measure zero such that the equation div(BX)", "mime": "application/pdf"}, {"id": "ap-1809", "words": "5771", "extension": ".pdf", "flesch": "67", "author": "Kleefeld, Frieder", "title": "Complex Covariance", "date": "2013", "keywords": "complex; phys; space", "summary": "[38] being the vacuum speed of light and set \u03b3 = \u03b3 (See the discussion of Eq. 297 Frieder Kleefeld Acta Polytechnica \u2022 Option 2: Choose c and v to be (anti)parallel in the complex plane, i.e., c = \u00b1|c| \u00b7 v |v| = \u00b1 \u2223\u2223 c v \u2223\u2223 \u00b7 v with |c| = 299792458m/s [38] being the vacuum speed of light, and set \u03b3 = \u03b3 (See the discussion of Eq. (4.14)!).", "mime": "application/pdf"}, {"id": "ap-1811", "words": "2938", "extension": ".pdf", "flesch": "59", "author": "Leach, P. G. L.", "title": "Emmy Noether and Linear Evolution Equations", "date": "2013", "keywords": "equation; evolution; noether; symmetries; symmetry", "summary": "These each have an equivalent in the Schr\u00f6dinger Equation corresponding to the Lagrangian and by extension to linear evolution equations in general. The Black-Scholes-Merton Equation is but one of a number of evolution equations to be found in Financial 1One would hope that this initial condition would not apply in financial matters!", "mime": "application/pdf"}, {"id": "ap-1813", "words": "781", "extension": ".pdf", "flesch": "65", "author": "Mostafazadeh, Ali", "title": "Spectral Singularities do not Correspond to Bound States in the Continuum", "date": "2013", "keywords": "continuum; phys", "summary": "Spectral singularities appear for generic complex scattering potentials, while scattering potentials that involve bound states in the continuum are ex- tremely rare. Keywords: spectral singularity, bound state in continuum, resonance.", "mime": "application/pdf"}, {"id": "ap-1815", "words": "5524", "extension": ".pdf", "flesch": "75", "author": "Paseka, Jan; Rie\u010danov\u00e1, Zdenka", "title": "Inherited Properties of Effect Algebras Preserved by Isomorphisms", "date": "2013", "keywords": "algebras; effect", "summary": "[18] Rie\u010danov\u00e1 Z., Zajac M., Hilbert space effect-representations of effect algebras, Reports of Mathematical Physics, 70 (2012), 283\u2013290. 313 http://dx.doi.org/10.1007/BF02283036 http://dx.doi.org/10.1088/1751-8113/42/18/185206 http://dx.doi.org/10.1088/1751-8113/42/18/185206 doi: 10.1007/s00500-010-0561-7.DOI: 10.1007/s00500-010-0561-7 doi: 10.1007/s10701-011-9573-0 Acta Polytechnica 53(3):308\u2013313, 2013 1 Introduction 2 Basic definitions and some known facts 2.1 Effect algebras and generalized effect algebras 2.2 Topologies on ordered sets 2.3 Morphisms, embeddings and isomorphisms of effect algebras 3 Basic properties of isomorphisms of effect algebras and operator representations 4 Some properties of operator effect algebras that need not be preserved by effect algebraic isomorphisms Acknowledgements References Keywords: effect algebras; operator effect algebras; isomorphisms; operator representations of effect algebras..", "mime": "application/pdf"}, {"id": "ap-1817", "words": "2290", "extension": ".pdf", "flesch": "67", "author": "Rie\u010danov\u00e1, Zdenka; Zajac, Michal", "title": "Intervals in Generalized Effect Algebras and their Sub-generalized Effect Algebras", "date": "2013", "keywords": "algebra; effect", "summary": "[10] Polakovi\u010d, M.: Generalized effect algebras of bounded positive operators defined on Hilbert spaces, Reports on Mathematical Physics, 68 (2011), 241\u2013250. Recall that if (E;\u2295, 0, 1) is an effect algebra ((E;\u2295, 0) is a generalized effect algebra) then a subset G 6= \u2205 such that 1 \u2208 G (0 \u2208 G respectively) is a sub-effect algebra (sub-generalized effect algebra) of E iff 314 http://ctn.cvut.cz/ap/ vol.", "mime": "application/pdf"}, {"id": "ap-1819", "words": "3135", "extension": ".pdf", "flesch": "63", "author": "Znojil, Miloslav", "title": "Non-Hermitian Star-shaped Quantum Graphs", "date": "2013", "keywords": "graphs; phys; quantum; star; znojil", "summary": "[4] J. \u017delezn\u00fd, The Krein-space theory for non-Hermitian PT-symmetric operators (MSc thesis, FNSPE CTU, 2011); [5] P. Siegl, Non-Hermitian quantum models, indecomposable representations and coherent states quantization (PhD thesis, Univ. This being said, one of the most efficient ways of ad- dressing these technical challenges has been described in [11] and generalized, to nontrivial graphs, in its sequel [12].", "mime": "application/pdf"}, {"id": "ap-182", "words": "3731", "extension": ".pdf", "flesch": "64", "author": "Fo\u0159t, I.; Medek, J.; Ambros, F.", "title": "Erosion Wear of Axial Flow Impellersin a Solid-liquid Suspension", "date": "2001", "keywords": "blade; erosion; impeller; process; \ufffd \ufffd", "summary": "\ufffd \ufffd , rolled brass, \ufffd \ufffd \ufffd15\u00b0, 45\u00b0\ufffd (4a) \ufffd \ufffd\ufffd \ufffd \ufffdk 4 73 631. \ufffd \ufffd , construction steel, \ufffd \ufffd \ufffd20\u00b0, 45\u00b0\ufffd (4b) characterizes the relation between the erosion wear of the impeller blade and the corresponding (axial) component of the mean velocity in the discharge stream leaving a pitched blade impeller", "mime": "application/pdf"}, {"id": "ap-1823", "words": "5506", "extension": ".pdf", "flesch": "64", "author": "Be\u0148o, Jaroslav; Hilar, Matou\u0161", "title": "Steel Fibre Reinforced Concrete for Tunnel Lining \u2013 Verification by Extensive Laboratory Testing and Numerical Modelling", "date": "2013", "keywords": "concrete; fibres; lining; segments; sfrc; sfrc segments; steel; strength; tests", "summary": "Segment bending Segments were also tested under a load perpendicular to the longitudinal tunnel axis (Fig. 5b). Afterwards, SFRC segments were produced and then tested at the Klokner Institute of CTU.", "mime": "application/pdf"}, {"id": "ap-1825", "words": "3172", "extension": ".pdf", "flesch": "60", "author": "Bodl\u00e1k, Martin; Jar\u00fd, Vladim\u00edr; Konorov, Igor; Mann, Alexander; Nov\u00fd, Josef; Paul, Severine; Virius, Miroslav", "title": "Developing Control and Monitoring Software for the Data Acquisition System of the COMPASS Experiment at CERN", "date": "2013", "keywords": "compass; control; data; dim; experiment; message; server; software; system", "summary": "System stability. From the functionality point of view, the DATE package provides data flow control, event building, data quality monitoring, event sampling, information reporting, interactive configuration, and run control.", "mime": "application/pdf"}, {"id": "ap-1827", "words": "2105", "extension": ".pdf", "flesch": "79", "author": "Holub, \u0160tep\u00e1n", "title": "On an Algorithm for Multiperiodic Words", "date": "2013", "keywords": "word", "summary": "This can be succinctly stated as: FW(P, k)[i] = \uf8f1\uf8f4\uf8f2\uf8f4\uf8f3 FW(Q, k \u2212m)[i mod m] if (i mod m) < k \u2212m; If k \u2264 m, then Lemma 2 gives FW(P, k) = 0 \u00b7 1 \u00b7 \u00b7 \u00b7 (k\u2212 1).", "mime": "application/pdf"}, {"id": "ap-1829", "words": "8277", "extension": ".pdf", "flesch": "59", "author": "Kur\u00e1\u017e, Michal; Mayer, Petr", "title": "Algorithms for Solving Darcian Flow in Structured Porous Media", "date": "2013", "keywords": "condition; equation; mass; matrix; method; problem; richards; richards equation; solution; time", "summary": "preconditioner in the context of the conjugate gradient method for normal equations forms ATDTDA, and this form is not commonly used. However, it has been found that this standard method is highly efficient for solv- ing the systems of linear equations that arise from numerical approximation of the Richards equation.", "mime": "application/pdf"}, {"id": "ap-1831", "words": "3297", "extension": ".pdf", "flesch": "58", "author": "Kurian, Mat\u00fa\u0161; Krl\u00edn, Ladislav; Cahyna, Pavel; P\u00e1nek, Radom\u00edr", "title": "Particle Dynamics in the RMP Ergodic Layer under the Influence of Edge Plasma Turbulence", "date": "2013", "keywords": "diffusion; effect; particles; perturbation; potential; system; trajectories", "summary": "Since this procedure can be performed for particles of various mass, it is possible to compare the effect of electrostatic perturbation on heavy and light particles. The lower threshold of the effect of electrostatic perturbation on lithium is at 0.1-0.5V, and this matches well with the results obtained for carbon ions and protons.", "mime": "application/pdf"}, {"id": "ap-1833", "words": "4623", "extension": ".pdf", "flesch": "54", "author": "Kut\u00edlek, Patrik; V\u00edte\u010dkov\u00e1, Sl\u00e1vka; Svoboda, Zden\u011bk; Hejda, Jan", "title": "Application of Portable Force Platforms Equipped with a Device for Measuring Position and Orientation", "date": "2013", "keywords": "cop; cop position; force; force platforms; orientation; platforms; position; system", "summary": "We have designed and tested a new universal way to study the forces under the feet based on force platforms equipped with a device for measuring position and orientation. This technique uses force platforms to measure the forces exerted by the subject\u2019s feet [4].", "mime": "application/pdf"}, {"id": "ap-1835", "words": "1658", "extension": ".pdf", "flesch": "64", "author": "Michalec, Ivan; Mar\u00f4nek, Milan", "title": "Adhesive Bonding of Aluminium Alloy A5754 by Epoxy Resins", "date": "2013", "keywords": "adhesive; aluminium; hysol; joints", "summary": "Results of shear tests of bonded joints. even after the heating was stopped. [5] Beevers, A., Steidler, S. M., Duordola, J., Coackley, M.: Analysis of stiffness of adhesive joints in car bodies.", "mime": "application/pdf"}, {"id": "ap-1837", "words": "5901", "extension": ".pdf", "flesch": "59", "author": "Mike\u0161, Jan; Efmertov\u00e1, Marcela; Szedenik, Norbert; Kut\u00e1\u010d, Jir\u00ed", "title": "The Impact of Active Conductors on Czech and Hungarian Lightning Protection Legislation", "date": "2013", "keywords": "buildings; coll; conductors; czech; decree; lightning; lightning protection; protection; standards; technical; \u010dsn", "summary": "Development of lightning rod for lightning protection standard in Europe, especially in Czech lands. 3, H-1111 Budapest, Budapest, Hungary c Union of Court Experts, expert in the field of electrical engineering and electroenergetics, specialization in lightning protection and surge phenomena, Prague, Czech Republic \u2217 corresponding author: mikes.jan@fel.cvut.cz Abstract.", "mime": "application/pdf"}, {"id": "ap-1839", "words": "2201", "extension": ".pdf", "flesch": "74", "author": "N\u00e9met, Miroslav; Mihalikov\u00e1, M\u00e1ria", "title": "The Effect of Strain Rate on the Mechanical Properties of Automotive Steel Sheets", "date": "2013", "keywords": "dynamic; steel; strain; strength; tensile", "summary": "Dynamic tensile testing of sheet steels is growing in importance. High speed tensile test of steel sheets for the stress-strain curve at the intermediate strain rate.", "mime": "application/pdf"}, {"id": "ap-184", "words": "1336", "extension": ".pdf", "flesch": "62", "author": "\u0160im\u00e1n\u011b, \u010c.; Vognar, M.; K\u0159\u00ed\u017e, J.; N\u011bmec, V.", "title": "A Small Transfer and Distribution System for Liquid Nitrogen", "date": "2001", "keywords": "nitrogen; pump; valve", "summary": "The return of the plunger during the intake period is assured \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ 29 Acta Polytechnica Vol. 41 No.1/2001 A Small Transfer and Distribution System for Liquid Nitrogen \u010c. \u0160im\u00e1n\u011b, M. Vognar, J. K\u0159\u00ed\u017e, V. N\u011bmec A system for remotely controlled filling of small Dewars with liquid nitrogen from a central storage Dewar vessel is described, consisting of a plunger type pump with an electromechanical driver and electromechanical ball type valves for distribution of liquid nitrogen. Keywords: liquid nitrogen, transfer system, solenoid pump, solenoid valve, automatic level control.", "mime": "application/pdf"}, {"id": "ap-1841", "words": "3403", "extension": ".pdf", "flesch": "55", "author": "\u0160ulc, Radek; Sva\u010dina, Ond\u0159ej", "title": "The Effect of Kaolin Concentration on Flock Growth Kinetics in an Agitated Tank", "date": "2013", "keywords": "dimension; flocculation; flock; fractal; kaolin; size; time", "summary": "Keywords: flocculation, flock growth, flock size, mixing, Rushton turbine, kaolin slurry, fractal geometry, image analysis. Theoretical background The dependence of flock size on flocculation time can be expressed by a simple empirical formula, taking into account flock breaking [5]: 1 df = Af log2(NtF) +Bf log(NtF) +", "mime": "application/pdf"}, {"id": "ap-1843", "words": "1665", "extension": ".pdf", "flesch": "61", "author": "Mihalikov\u00e1, M\u00e1ria; N\u00e9met, Miroslav; Vojtko, Marek", "title": "IMPACT OF STRAIN RATE ON MICROALLOYED STEEL SHEET BREAKING", "date": "2014", "keywords": "loading; material; rate; steel; strain", "summary": "Keywords: strain rate, microalloyed steel, fracture surface. [5] N\u00e9met, M., Mihalikov\u00e1 M.: The effect of strain rate on the mechanical properties of automotive steel sheets, Acta Polytechnica, 53 (4), 2013, p. 384\u2013387.", "mime": "application/pdf"}, {"id": "ap-1847", "words": "2337", "extension": ".pdf", "flesch": "65", "author": "Bodner, Mark; Chadzitaskos, Goce; Patera, Ji\u0159\u00ed; Tereszkiewitz, Agnieszka", "title": "THE SHMUSHKEVICH METHOD FOR HIGHER SYMMETRY GROUPS OF INTERACTING PARTICLES", "date": "2013", "keywords": "group; representations; states", "summary": "[6] R. Marshak, E. Sudarshan, Introduction to Elementary Particles Physics, New York, Interscience Publishers, 1961 [7] R. V. Moody, J. Patera, General charge conjugation operators in simple Lie groups, J. Math. It is likely that practical exploitation of Shmushke- vich\u2019s idea for higher groups and possibly representa- tions of much higher dimensions, will not proceed by spelling out the large number of channels for each case and counting the number of occurrences of each state in all the channels.", "mime": "application/pdf"}, {"id": "ap-1851", "words": "8894", "extension": ".pdf", "flesch": "69", "author": "Exner, Pavel; Lipovsk\u00fd, Ji\u0159\u00ed", "title": "RESONANCES ON HEDGEHOG MANIFOLDS", "date": "2013", "keywords": "asymptotics; case; function; hedgehog; manifold; quantum; resonances", "summary": "Resonance asymptotics The aim of this section is to say something about the asymptotic behaviour of the resolvent poles with re- spect to an increasing family of regions which cover in the limit the whole complex plane. Resolvent and scattering resonances are shown to coincide in this situation.", "mime": "application/pdf"}, {"id": "ap-1852", "words": "4354", "extension": ".pdf", "flesch": "73", "author": "G\u00e1likov\u00e1, Veronika; Pre\u0161najder, Peter", "title": "COULOMB SCATTERING IN NON-COMMUTATIVE QUANTUM MECHANICS", "date": "2013", "keywords": "coulomb; matrix; non", "summary": "In [9] we gave an exact simple formula for the NC negative bound state energies, and in [10] we presented the full solution of the NC Coulomb problem. As the model is exactly solvable, we were able to find an exact formula for the NC Coulomb scattering matrix S\u03bbj (E) in j-th partial wave.", "mime": "application/pdf"}, {"id": "ap-1855", "words": "3502", "extension": ".pdf", "flesch": "65", "author": "Hlavat\u00fd, Ladislav; Navr\u00e1til, Josef; \u0160nobl, Libor", "title": "ON RENORMALIZATION OF POISSON\u2013LIE T-PLURAL SIGMA MODELS", "date": "2013", "keywords": "group; lie; models; poisson; renormalization", "summary": "The role of ambiguities in renormalization group equations of Poisson\u2013Lie sigma models with truncated matrices of parameters is investigated. Two-dimensional Poisson\u2013Lie \u03c3-models are given by Manin triples generated by Abelian or solvable Lie algebras with Lie products", "mime": "application/pdf"}, {"id": "ap-1858", "words": "3241", "extension": ".pdf", "flesch": "66", "author": "Chadzitaskos, Goce; Tolar, Ji\u0159\u00ed", "title": "PROPOSAL OF NEW OPTICAL ELEMENTS", "date": "2013", "keywords": "crystal; planes; ray; strip", "summary": "the cylinder is assembled from single crystal strips made from various materials and cut along different planes, so that the mutual distances between the atomic planes at one end of each strip fulfill Bragg\u2019s condition; (2.) Bent single crystal strips are fixed on the sides by brackets 3.", "mime": "application/pdf"}, {"id": "ap-1859", "words": "3304", "extension": ".pdf", "flesch": "77", "author": "Cheon, Taksu; Tanaka, Atushi; Turek, Ond\u0159ej", "title": "EXAMPLES OF QUANTUM HOLONOMY WITH TOPOLOGY CHANGES", "date": "2013", "keywords": "a(\u03b8; c(\u03b8; quantum", "summary": "Keywords: quantum graph, boundary condition, eigenvalue holonomy. Here we examine the influence of the topology of quantum graphs on spectral properties, taking inspi- ration from the works [1] and", "mime": "application/pdf"}, {"id": "ap-186", "words": "1939", "extension": ".pdf", "flesch": "61", "author": "El-Hady, H. M. Abd; Gr\u00fcnwald, A.; Vl\u010dkov\u00e1, K.; Zeithammerov\u00e1, J.", "title": "Lewatit S100 in Drinking Water Treatment for Ammonia Removal", "date": "2001", "keywords": "nh4; water", "summary": "The objec- tive of our work is to treat drinking water spiked with NH4 + (10\u00b10.5, 5\u00b10.5 and 2\u00b10.5) mg l\ufffd1, using Lewatit S100. Keywords: Lewatit S100, ion exchange, ammonia removal, drinking water.", "mime": "application/pdf"}, {"id": "ap-1860", "words": "4804", "extension": ".pdf", "flesch": "81", "author": "Mas\u00e1kov\u00e1, Zuzana; Pelantov\u00e1, Edita", "title": "ITINERARIES INDUCED BY EXCHANGE OF TWO INTERVALS", "date": "2013", "keywords": "interval; return", "summary": "This notion occurs in various con- texts such as return words, Abelian return words, or substitution invariance of the corresponding codings, i.e., Sturmian words. A characterization of Sturmian words by return words.", "mime": "application/pdf"}, {"id": "ap-1863", "words": "4655", "extension": ".pdf", "flesch": "79", "author": "Po\u0161ta, Severin; Havl\u00ed\u010dek, Miloslav", "title": "NOTE ON VERMA BASES FOR REPRESENTATIONS OF SIMPLE LIE ALGEBRAS", "date": "2013", "keywords": "algebras; bases; i\u22121; lie; math; representations; verma", "summary": "4. Conclusions Problems of unified construction of Verma bases for other series of simple Lie algebras (namely orthogonal and symplectic) and of an effective determination of matrix elements in these cases are still open. Keywords: Verma basis, enveloping algebra, Lie algebra.", "mime": "application/pdf"}, {"id": "ap-1865", "words": "4423", "extension": ".pdf", "flesch": "70", "author": "Rie\u010danov\u00e1, Zdenka; Janda, Ji\u0159\u00ed", "title": "MAXIMAL SUBSETS OF PAIRWISE SUMMABLE ELEMENTS IN GENERALIZED EFFECT ALGEBRAS", "date": "2013", "keywords": "algebra; effect; effect algebra; pairwise", "summary": "Further, let us investigate inter- vals in pairwise summable generalized effect algebras. In 1994, D. Foulis introduced al- gebraic structures called effect algebras.", "mime": "application/pdf"}, {"id": "ap-1866", "words": "7923", "extension": ".pdf", "flesch": "64", "author": "Znojil, Miloslav", "title": "NEW CONCEPT OF SOLVABILITY IN QUANTUM MECHANICS", "date": "2013", "keywords": "domain; hamiltonian; hermitian; hilbert; metric; model; phys; physical; quantum; space", "summary": "Non-Hermitian quantum models, indecomposable representations and coherent states quantization. The roots of the growth of popularity of the description of stable quantum systems using representations of observables which are non-Hermitian in an auxiliary Hilbert space H(F) may be traced back not only to the entirely abstract mathematical analyses of spectra of quasi-Hermitian operators [16] and of the operators which are self-adjoint in the so-called Krein spaces with indefinite metric [17] but also to the emergence of manageable non-Hermitian models in quantum field theory [18] or even in classical optics [19], etc.", "mime": "application/pdf"}, {"id": "ap-1870", "words": "4383", "extension": ".pdf", "flesch": "65", "author": "Levi, Decio; Winternitz, Pavel", "title": "LIE GROUPS AND NUMERICAL SOLUTIONS OF DIFFERENTIAL EQUATIONS: INVARIANT DISCRETIZATION VERSUS DIFFERENTIAL APPROXIMATION", "date": "2013", "keywords": "approximation; difference; differential; equations; group; invariant; order", "summary": "As far as applications to the numerical solu- tions of differential equations are concerned, the idea, originally due to Dorodnitsyn [12, 13], is to start from the differential equation, its symmetry group G and the Lie algebra L of G, realized by vector fields. [24] rather than to \u201cjet space\u201d as for differential equations", "mime": "application/pdf"}, {"id": "ap-1872", "words": "5821", "extension": ".pdf", "flesch": "71", "author": "Smirnov, Yuri F.; Turbiner, Alexander", "title": "gln+1 ALGEBRA OF MATRIX DIFFERENTIAL OPERATORS AND MATRIX QUASI-EXACTLY-SOLVABLE PROBLEMS", "date": "2013", "keywords": "algebra; differential; generators; matrix; operators; representation", "summary": "+M22, E12 = x1\u22022 +M12, E21 = x2\u22021 +M21, E0 = k \u2212 x1\u22021 \u2212 x2\u22022, T\u2212 1 = \u22021, T\u2212 2 = \u22022, T+ 1 = x1(k \u2212 x1\u22021 \u2212 x2\u22022)\u2212 x1M11 \u2212 x2M12, T+ 2 = x2(k \u2212 x1\u22021 \u2212 x2\u22022)\u2212 x1M21 \u2212 x2M22. We also can call it a scalar representation, since the generators E11 = x1\u22021, E22 = x2\u22022, E12 = x1\u22022, E21 = x2\u22021, E0 = k \u2212 x1\u22021 \u2212 x2\u22022, T\u2212 1 = \u22021, T\u2212 2 = \u22022, T+ 1 = x1(k \u2212 x1\u22021 \u2212 x2\u22022), T+ 2 = x2(k \u2212 x1\u22021 \u2212 x2\u22022), (12) act on one-component spinors or, in other words, on scalar functions (see e.g. [5]).", "mime": "application/pdf"}, {"id": "ap-1874", "words": "2188", "extension": ".pdf", "flesch": "70", "author": "Uhlmann, Armin", "title": "THE NUMBER OF ORTHOGONAL CONJUGATIONS", "date": "2013", "keywords": "anti; conjugations; hermitian; linear; skew", "summary": "Later on, F. Herbut and M. Vuji\u010di\u0107 were able to clarify the structure of anti-linear normal oper- ators, [4], by proving that such a decomposition also exists for anti-linear normal operators. Wigner also discovered the struc- ture of anti-unitary operators, [12], in finite dimen- sional Hilbert spaces.", "mime": "application/pdf"}, {"id": "ap-1876", "words": "615", "extension": ".pdf", "flesch": "50", "author": "Exner, Pavel", "title": "FOREWORD: THREE QUARTERS A CENTURY", "date": "2013", "keywords": "life; physics", "summary": "In cases like the jubilee that this Festschrift celebrates, there is indeed a lot to think about, because the life of Professor Miloslav Havl\u00ed\u010dek has been anything but boring. Acta Polytechnica doi:10.14311/AP.2013.53.0007 Acta Polytechnica 53(5), 2013 \u00a9 Czech Technical University in Prague, 2013 available online at http://ojs.cvut.cz/ojs/index.php/ap THREE QUARTERS A CENTURY Foreword to Special Issue Dedicated to Prof. Miloslav Havl\u00ed\u010dek Such a number of years makes one think, as the famous phrase in Some Like it Hot goes.", "mime": "application/pdf"}, {"id": "ap-1877", "words": "4099", "extension": ".pdf", "flesch": "69", "author": "Socha, Vladim\u00edr; Kut\u00edlek, Patrik; Smr\u010dka, Pavel; Socha, Lubo\u0161", "title": "A COMPARISON OF METHODS USING STRAIN GAUGES TO MONITOR PHYSIOLOGICAL MOVEMENTS ON A HOSPITAL BED", "date": "2014", "keywords": "bed; bending; change; deformation; movements; sensors; strain", "summary": "This paper presents a comparison of two types of strain gauge sensor configurations in order to decide which methods may be most appropriate for use in clinical practice. Table 1 shows the calculation of the stress or strain (due to the bending or twisting moment) from the measured change in the output voltage of strain gauges \u2206Uo or the measured change in strain \u03b5m of the full bridge or half bridge strain gauge circuit.", "mime": "application/pdf"}, {"id": "ap-1878", "words": "12380", "extension": ".pdf", "flesch": "65", "author": "Giovannelli, Franco", "title": "WHAT IS NEW IN ASTROPARTICLE PHYSICS", "date": "2013", "keywords": "apj; astrophysics; eds; energy; et al; giovannelli; graziati; high; mass; matter; particle; physics; ray; rays; sabau; sources; stars; universe", "summary": "[10] Albert, J. et al. [59] Dunkley, J. et al.: 2009, ApJ 701, 1804", "mime": "application/pdf"}, {"id": "ap-188", "words": "2327", "extension": ".pdf", "flesch": "54", "author": "Drchalov\u00e1, J.; Pod\u011bbradsk\u00e1, J.; Mad\u011bra, J.; \u010cern\u00fd, R.", "title": "Evaluation of Water Resistance and Diffusion Properties of Paint Materials", "date": "2001", "keywords": "capillarity; paint; water; \ufffd \ufffd", "summary": "D m Rd S M T C BA T \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd w \ufffd 1 10 , (9) where d is the thickness of the board-type specimen, M is the molar mass of water vapor, R is the universal gas constant, A, B, C are the constants in the empirical formula describing the dependence of the saturated water vapor pressure on temperature pv, s , p Tv s C BA T, \ufffd \ufffd \ufffd \ufffd10 , (10) A = 2900 K, B = 24.738, C = \u20134.65. Therefore, it appears reasonable to define the in- tegral capillarity Cint (see, e.g., [2\u20134]) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdC t C m t m S t d int \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 0 d , (2) where m is the mass of the moist specimen, and md is the mass of the dried specimen.", "mime": "application/pdf"}, {"id": "ap-1880", "words": "2556", "extension": ".pdf", "flesch": "51", "author": "Jones, Lawrence W.", "title": "THE FIRST CENTURY OF COSMIC RAYS, AN HISTORICAL OVERVIEW", "date": "2013", "keywords": "chamber; cosmic; particle; physics; ray; rays; research; studies", "summary": "53 supplement/2013 The First Century of Cosmic Rays, an Historical Overview hydrogen target served as a veto to restrict triggered events to unaccompanied incident cosmic ray particles (virtually all protons). The accelerator\u2013cosmic ray interaction 4 The Echo Lake and Mount Evans research program 5 Recent cosmic ray research References", "mime": "application/pdf"}, {"id": "ap-1881", "words": "5389", "extension": ".pdf", "flesch": "63", "author": "Shaviv, Giora", "title": "THE DISCOVERY OF THE CHANDRASEKHAR MASS AND THE CHANDRASEKHAR-EDDINGTON CONTROVERSY", "date": "2013", "keywords": "chandrasekhar; eddington; electrons; mass; paper; star; stoner; theory", "summary": "In the paper Eddington set out to look for flaws in the derivation of the result P \u223c \u03c14/3 for relativistic electrons. Until 1935, Eddington\u2019s attacks on Chandrasekhar were made in public and not in published papers.", "mime": "application/pdf"}, {"id": "ap-1883", "words": "3632", "extension": ".pdf", "flesch": "66", "author": "Kundt, Wolfgang", "title": "OUR GALACTIC CENTER \u2013 THE NEAREST BURNING DISK", "date": "2013", "keywords": "burning; center; disk; figure; jet; kpc; scale; sgra", "summary": "Keywords: galactic center, SgrA*, black holes, burning disk. In particular, supermassive BHs in the centers of galaxies were at some stage believed to be able to power gigantic outbursts, i.e. to help solving the energetics of galactic centers, before it became 508 vol.", "mime": "application/pdf"}, {"id": "ap-1884", "words": "3519", "extension": ".pdf", "flesch": "61", "author": "Strauss, Thomas", "title": "OPERA HIGHLIGHTS", "date": "2013", "keywords": "cern; decay; events; experiment; figure; neutrino; opera; time; vertex", "summary": "Acta Polytechnica doi:10.14311/AP.2013.53.0512 Acta Polytechnica 53(Supplement):512\u2013517, 2013 \u00a9 Czech Technical University in Prague, 2013 available online at http://ojs.cvut.cz/ojs/index.php/ap OPERA HIGHLIGHTS Thomas Strauss\u2217, for the OPERA collaboration Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics, University of Bern, Sidlerstrasse 5, CH-3012 Bern \u2217 corresponding author: thomas.strauss@lhep.unibe.ch Abstract. The OPERA experiment is a long baseline neutrino oscillation experiment aimed at observing the \u03bd\u00b5 \u2192 \u03bd\u03c4 neutrino oscillation in the CERN neutrino to Gran Sasso beamline in the appearance mode by detecting the \u03c4-decay.", "mime": "application/pdf"}, {"id": "ap-1887", "words": "4524", "extension": ".pdf", "flesch": "67", "author": "Straessner, Arno", "title": "HIGHLIGHTS FROM THE LHC", "date": "2013", "keywords": "atlas; cms; collaboration; data; exp; higgs; lhc; phys; theo", "summary": "Keywords: LHC, ATLAS, CMS, Standard Model measurements, SM Higgs boson, MSSM Higgs boson, supersymmetry, top quark, exotic particle searches. \u03c31 \u00b1 \u03c32 \u00b1 = 7 TeVs \u00ad1 Ldt = 4.6\u00ad4.9 fb\u222b ATLAS 2011 2011 Data CLs Limits Higgs boson mass (GeV) 100 200 300 400 500 S M \u03c3/ \u03c3 9 5 % C L l im it o n \u00ad110 1 10 Observed Expected (68%) Expected (95%) Observed Expected (68%) Expected (95%) \u00ad1L", "mime": "application/pdf"}, {"id": "ap-1888", "words": "2534", "extension": ".pdf", "flesch": "65", "author": "Bellotti, E; Broggini, C.; Di Carlo, G.; Laubenstein, M.; Menegazzo, R.", "title": "STUDY OF THE TIME DEPENDENCE OF RADIOACTIVITY", "date": "2013", "keywords": "137cs; activity; data; decay; detector; source; time", "summary": "Time modulations We searched for time variations with periods from 6 hours to 400 days. In total about 5100 energy spectra, one hour measuring time each, were collected and used to search for time variations of the decay constant with periods from a few hours to 1 year.", "mime": "application/pdf"}, {"id": "ap-1891", "words": "4614", "extension": ".pdf", "flesch": "73", "author": "Auriemma, Giulio", "title": "CP VIOLATIONS (AND MORE) AFTER THE FIRST TWO YEARS OF LHCB", "date": "2013", "keywords": "cpv; decay; higgs; lhcb; mass; universe", "summary": "The ATLAS and CMS data are at present not inconsistent with a SM Higgs mass in the range 115 \u2264 mh \u2264 126 GeV/c2 (see note 1) which is fa- vored by EW precision measurements J.-P. Francoise et al. eds.", "mime": "application/pdf"}, {"id": "ap-1892", "words": "2108", "extension": ".pdf", "flesch": "65", "author": "Gustavino, Carlo", "title": "THE 2H(\u03b1, \u03b3)6LI REACTION AT LUNA AND BIG BANG NUCLEOSYNTHETIS", "date": "2013", "keywords": "6li; beam; energy; kev; reaction", "summary": "Keywords: LUNA experiment, nuclear astrophysics, Big Bang nucleosynthesis, 6Li abundance, 2H(\u03b1, \u03b3)6Li reaction. Experimental set-up Figure 5 shows the experimental set-up used for the 2H(\u03b1, \u03b3)6Li reaction.", "mime": "application/pdf"}, {"id": "ap-1895", "words": "3966", "extension": ".pdf", "flesch": "73", "author": "Shaviv, Giora", "title": "THE HISTORY OF THE S PROCESS AND ITS PRESENT STATE", "date": "2013", "keywords": "elements; fig; figure; mixing; neutron; nuclei; process; shell; star", "summary": "Richter gave no information about anything unusual with respect to s-process elements. The full story of FG Sagittae has not yet been re- vealed [32], but the accepted view at the present time is that FG Sagittae experienced the last episode of s-process elements formation during the \u201clast ther- mal pulse\u201d and ejected the rest of the envelope as a planetary nebula.", "mime": "application/pdf"}, {"id": "ap-1897", "words": "3394", "extension": ".pdf", "flesch": "67", "author": "Morselli, Aldo", "title": "SEARCH FOR DARK MATTER WITH GAMMA-RAYS: A REVIEW", "date": "2013", "keywords": "coll; energy; fermi; gamma; lat; matter; ray", "summary": "[Fermi Coll.] [Fermi Coll.], Astroparticle Physics 35 (2012) 346\u2013353 [arXiv:1108.0201]", "mime": "application/pdf"}, {"id": "ap-1899", "words": "3199", "extension": ".pdf", "flesch": "66", "author": "Bisnovatyi-Kogan, Gennady S.; Chernin, Artur; Merafina, Marco", "title": "DARK ENERGY AND KEY PHYSICAL PARAMETERS OF CLUSTERS OF GALAXIES", "date": "2013", "keywords": "cluster; dark; density; energy", "summary": "Keywords: dark energy, equilibrium models, galaxy clusters. M = (0.6 \u00f7 1.2) \u00d7 1015M\ufffd [4], one finds the zero-gravity radius of the Virgo cluster: R\u039b = (9\u00f7 11)Mpc ' 10Mpc.", "mime": "application/pdf"}, {"id": "ap-190", "words": "2822", "extension": ".pdf", "flesch": "38", "author": "Dobrovsk\u00e1, D.", "title": "Management of People by Managers with a Technical Background - Research Results", "date": "2001", "keywords": "companies; company; employees; management; managers; personnel", "summary": "Benchmarking studies show that personnel managers of Czech companies, when compared with those in other European countries, are still obliged to spend a part of their working time on ineffective administra- tive procedures, dealing with problems of current concern of their company rather than addressing conceptual issues re- lated to the company\u2019s future strategy (according to a report by Price Waterhouse \u2013 Coopers, 1999). However, the ex- pectation that activities initiated by top management would be more effective than, for instance, activities initiated by personnel managers was not confirmed by our study.", "mime": "application/pdf"}, {"id": "ap-1900", "words": "3578", "extension": ".pdf", "flesch": "59", "author": "Persiani, Rino", "title": "RESULTS FROM THE XENON100 EXPERIMENT", "date": "2013", "keywords": "background; dark; data; detector; events; matter; search; shield; xenon100", "summary": "The electronic recoil band in log10(S2/S1) vs. en- ergy space defines the region of background events from \u03b2- and \u03b3-particles (blue dots in Fig. 3). live days DM search The last run of XENON100 represents 224.6 live days of dark matter search data.", "mime": "application/pdf"}, {"id": "ap-1903", "words": "9364", "extension": ".pdf", "flesch": "57", "author": "Colafrancesco, Sergio", "title": "THE SZ EFFECT IN THE PLANCK ERA: ASTROPHYSICAL AND COSMOLOGICAL IMPACT", "date": "2013", "keywords": "cluster; cmb; colafrancesco; distribution; electron; emission; frequency; galaxy; observations; planck; plasma; polarization; spectrum; sze; thermal", "summary": "Planck detected SZE clusters are followed-up with a multi-frequency observation program in the X-rays (XMM-Newton), SZE (AMI), optical (ENO, ESO, RTT, NOT, NOAO, among others) to obtain confirmation, redshift estima- tion and estimates of the global physical parameters. Future SZE cluster surveys have an en- hanced sensitivity to constrain primordial magnetic fields because of the z-independence of the SZE and of the smaller biases in the cluster mass reconstruc- tion.", "mime": "application/pdf"}, {"id": "ap-1904", "words": "3975", "extension": ".pdf", "flesch": "66", "author": "Whalen, Daniel J.", "title": "THE FIRST STARS", "date": "2013", "keywords": "apj; et al; iii; pop; stars", "summary": "Pop III stars are the key to the character of primeval galaxies, the first heavy elements, the onset of cosmological reionization, and the seeds of supermassive black holes. Later simulation campaigns in the same vein revealed a much broader range of final masses for Pop III stars, 30 \u00f7 300 M\ufffd [27], and that they could form as bina- ries in a fraction of the halos", "mime": "application/pdf"}, {"id": "ap-1906", "words": "2699", "extension": ".pdf", "flesch": "61", "author": "Lovisari, Lorenzo; Lagan\u00e1, Tatiana F.; Borm, Katharina; Schellenberger, Gerrit; Reiprich, Thomas H.", "title": "METALS IN THE ICM: WITNESSES OF CLUSTER FORMATION AND EVOLUTION", "date": "2013", "keywords": "clusters; enrichment; icm; metal; metallicity", "summary": "Furthermore, the ob- served evolution of metal abundances can trace the star formation rate and the element ratios, e.g. the ratio of Fe and \u03b1-elements can be used to obtain infor- mation on the different types of supernovae that have 580 vol. It is challenging to measure metal abundances in distant clusters, is challenging, and it requires very high quality data.", "mime": "application/pdf"}, {"id": "ap-1909", "words": "3937", "extension": ".pdf", "flesch": "70", "author": "Sato, Kosuke; Matsushita, Kyoko; Ishisaki, Yoshitaka; Yamasaki, Noriko Y.; Ohashi, Takaya", "title": "THERMAL AND CHEMICAL EVOLUTIONS OF GALAXY CLUSTERS OBSERVED WITH SUZAKU", "date": "2013", "keywords": "abundance; clusters; icm; mass; sne", "summary": "We studied the properties of the intracluster medium (ICM) of galaxy clusters to the outer regions observed with Suzaku. Keywords: galaxy clusters, X-rays, thermal evolution, chemical evolution.", "mime": "application/pdf"}, {"id": "ap-1911", "words": "4690", "extension": ".pdf", "flesch": "68", "author": "Bernabei, R.; Belli, P.; Cappella, F.; Caracciolo, V.; Cerulli, R.; Dai, C. J.; d\u2019Angelo, A.; Di Marco, A.; He, H. L.; Incicchitti, A.; Ma, X. H.; Montecchia, F.; Sheng, X. D.; Wang, R. G.; Ye, Z. P.", "title": "DAMA RESULTS: DARK MATTER IN THE GALACTIC HALO", "date": "2013", "keywords": "bernabei; dama; energy; et al; modulation; phys", "summary": "[22] See in: http://people.roma2.infn.it/dama [23] P. Belli et al.: 1996, Astropart. B 436, 379; P. Belli et al.: 1999, Phys.", "mime": "application/pdf"}, {"id": "ap-1912", "words": "4542", "extension": ".pdf", "flesch": "65", "author": "\u0160imon, Vojtech", "title": "NON-THERMAL EMISSION FROM CATACLYSMIC VARIABLES: IMPLICATIONS ON ASTROPARTICLE PHYSICS", "date": "2013", "keywords": "accretion; cvs; emission; gamma; radio; state", "summary": "[18] Harrison, T. E. et al., 2010, ApJ, 710, 325 [19] Heise, J. et al., 1985, A&A, 148, L14 [23] Jos\u00e9, J. et al., 2006, NuPhA, 777, 550", "mime": "application/pdf"}, {"id": "ap-1914", "words": "3477", "extension": ".pdf", "flesch": "56", "author": "Hudec, Ren\u00e9", "title": "ASTRONOMICAL PLATE ARCHIVES AND SUPERMASSIVE BLACK HOLE BINARIES", "date": "2013", "keywords": "archives; binary; blazars; data; light; plate; term", "summary": "Singapore: World Scientific Publishing, in 3 volumes, ISBN 981-256-667-8 (set), ISBN 981-256-980-4 (Part A), ISBN 981-256-979-0 (Part B), ISBN 981-256-978-2 (Part C), 2005, XLVIII + 2492 pp.: 2005 605 Acta Polytechnica 53(Supplement):601\u2013605, 2013 1 Introduction 2 Astronomical plate archives and HE/UHE astrophysics: motivation 3 Historical optical light curves and binary black holes in blazars 4 Example of plate archive data mining 5 Other examples of HE/VHE/UHE science with astronomical photographic plate archives 6 Conclusion Acknowledgements References Historical optical light curves and binary black holes in blazars This review focuses on the use of long-term data from astronomical plate archives for binary blazars.", "mime": "application/pdf"}, {"id": "ap-1916", "words": "4463", "extension": ".pdf", "flesch": "64", "author": "Panagia, Nino", "title": "SUPERNOVA 1987A: CELEBRATING A SILVER JUBILEE", "date": "2013", "keywords": "1987a; apj; et al; explosion; ring; star; supernova", "summary": "[34] Maran, S.P. et al. 2000, ApJ, 545, 390 [35] Mattila, S. et al. 2010, ApJ, 717, 1140 [55] Staveley-Smith, L. et al. 2007,in Supernova 1987A: Twenty Years After: Supernovae and Gamma-Ray Bursters, eds S. Immler, R. McCray & K.W. Weiler (AIP, New York), AIP Conf.", "mime": "application/pdf"}, {"id": "ap-1918", "words": "3055", "extension": ".pdf", "flesch": "66", "author": "Sasaki, Manami", "title": "GALACTIC AND EXTRAGALACTIC SUPERNOVA REMNANTS AS SITES OF PARTICLE ACCELERATION", "date": "2013", "keywords": "particles; ray; shock; snrs; supernova", "summary": "4 we compare the radial number distribution of X-ray SNRs in M31 to that of Galactic SNRs and of X-ray SNRs in M33 Middle: Composite image of the remnant of SN 1006 consisting of X-ray data from Chandra in blue, optical data from the University of Michigan\u2019s 0.9m Curtis Schmidt telescope at the Cerro Tololo Inter-American Observatory (yellow) and the Digitized Sky Survey (orange and light blue), and radio data from the Very Large Array and Green Bank Telescope in red.", "mime": "application/pdf"}, {"id": "ap-192", "words": "2867", "extension": ".pdf", "flesch": "70", "author": "El-Hady, H. M. Abd; Gr\u00fcnwald, A.; Vl\u010dkov\u00e1, K.; Zeithammerov\u00e1, J.", "title": "Clinoptilolite in Drinking Water Treatment for Ammonia Removal", "date": "2001", "keywords": "clino; nacl; nh4; water", "summary": "1 Solution volume \u2013 L 50 61 72 82 88.5 NH4 \ufffd eff. \u2013 mg l\ufffd1 0.06 0.088 0.094 0.29 0.503 BV 500 610 720 820 885 Table 2: Important parameters measured during the experiment using tap water spiked with ammonia Materials Clino. The processes used for the removal of ammonium ions from drinking waters include air stripping, nitrification, breakpoint chlorination, and ion exchange.", "mime": "application/pdf"}, {"id": "ap-1921", "words": "3826", "extension": ".pdf", "flesch": "65", "author": "Aschenbach, Bernd", "title": "RX-J0852\u22124622: THE NEAREST HISTORICAL SUPERNOVA REMNANT \u2013 AGAIN", "date": "2013", "keywords": "density; ray; snr; vela; wind", "summary": "Only at X-ray energies > 1.3 keV does Vela Jr. become X-ray visible. From X-ray measurements additional information is ob- tained for an upper limit of the ambient density of n0,x < 0.029 cm\u22123(d1 f)\u22121/2", "mime": "application/pdf"}, {"id": "ap-1923", "words": "4057", "extension": ".pdf", "flesch": "66", "author": "Ota, Naomi", "title": "THE IMPACT OF SUZAKU MEASUREMENTS ON ASTROPARTICLE PHYSICS", "date": "2013", "keywords": "clusters; emission; kev; model; ray; suzaku; thermal", "summary": "Objectives We search for non-thermal hard X-ray emission from merging clusters using Suzaku broad-band X-ray spec- troscopy to reveal the origin of hard X-ray emission and obtain new insight into the gas physics and the cluster dynamical evolution. Aiming at understanding the physics of gas heating/particle acceleration and the cluster dynamical evolution, we search for non-thermal hard X-ray emission from merging clusters, particularly A2163 and the Bullet Cluster, based on the Suzaku and XMM-Newton/Chandra joint analyses.", "mime": "application/pdf"}, {"id": "ap-1925", "words": "3904", "extension": ".pdf", "flesch": "64", "author": "Guainazzi, Matteo", "title": "XMM-NEWTON SCIENTIFIC HIGHLIGHTS: X-RAY SPECTROSCOPIC POPULATION STUDIES OF AGN", "date": "2013", "keywords": "agn; apj; disk; et al; mnras; ray; xmm", "summary": "Accretion disk inclination angle \u0131 derived from X-ray relativistic spectroscopy on the FERO and GREDOS samples X-ray relativistic spectroscopy is one of the few direct ways to measure the inclination of the innermost disk region, down to a few gravitational radii from the BH event horizon.", "mime": "application/pdf"}, {"id": "ap-1926", "words": "2028", "extension": ".pdf", "flesch": "67", "author": "Meintjes, Pieter J.; Nkundabakura, Pheneas", "title": "THE SEARCH FOR BLAZARS AMONG THE UNIDENTIFIED EGRET gamma-RAY SOURCES", "date": "2013", "keywords": "3eg; j0820\u22125705; pks; pmn; ray; sources; spectrum", "summary": "Optical photometry (B-band and R-band) of PKS J0820\u22125705 and PMN J0710\u22123850. Optical spectroscopy of PKS J0820\u22125705 shows a feature- less spectrum, shallow K4000 depression with broad absorption lines at z = 0.06 resembling an FSRQ, while the spectrum of PMN J0710\u22123850 shows broad and narrow emission lines at z = 0.129, resembling a LINER-Seyfert I galaxy.", "mime": "application/pdf"}, {"id": "ap-1928", "words": "3915", "extension": ".pdf", "flesch": "61", "author": "Krennrich, Frank", "title": "TeV GAMMA RAYS: OBSERVATIONS VERSUS EXPECTATIONS & THEORY", "date": "2013", "keywords": "ebl; emission; ray; rays; spectrum; tev", "summary": "However, an abundance of relativistic electrons, as indicated by non-thermal X-ray synchrotron ra- diation, provides an unwelcome background for the 635 http://dx.doi.org/10.14311/AP.2013.53.0635 http://ojs.cvut.cz/ojs/index.php/ap http://tevcat.uchicago.edu/ Frank Krennrich Acta Polytechnica search for \u03b3-ray emission of hadronic origin. Starburst (SB) galaxies offer a complementary \u201clab- oratory\u201d for probing the role of SNRs as cosmic-ray ac- celerators; \u03b3-ray emission from an SB galaxy provides a calorimetric measure of the cosmic-ray density in the star-forming region and can be used to establish the connection between star formation (e.g., SNRs) and cosmic-ray origin.", "mime": "application/pdf"}, {"id": "ap-1930", "words": "3364", "extension": ".pdf", "flesch": "61", "author": "Pittori, Carlotta", "title": "AGILE DATA CENTER AT ASDC AND AGILE HIGHLIGHTS", "date": "2013", "keywords": "100mev; agile; data; gamma; ray", "summary": "Moreover, AGILE has contributed to the discovery and study of new galactic gamma-ray source classes, of peculiar star systems and of mysterious galactic gamma-ray transients, including the observation that the energy spectrum of terrestrial gamma-ray flashes (TGF) ex- tends well above 40MeV. The 2012 Bruno Rossi international Prize was awarded to the PI, Marco Tavani, and the AGILE team for the discovery of rapid gamma-ray flares over daily timescales from the Crab Nebula, thought to be a steady enough source of energy in all wavebands from optical to gamma rays [15]. The AGILE Data Center, part of the ASI Science Data Center (ASDC) located in Frascati, Italy, is in charge of all the science oriented activities related to the analysis, archiving and distribution of AGILE data.", "mime": "application/pdf"}, {"id": "ap-1933", "words": "4282", "extension": ".pdf", "flesch": "69", "author": "Di Sciascio, Giuseppe", "title": "ARGO-YBJ: STATUS AND HIGHLIGHTS", "date": "2013", "keywords": "argo; energy; flux; ray; tev; ybj", "summary": "ARGO-YBJ is confronting various open problems in Cosmic Ray (CR) physics. Energy spectrum of MGRO J2031+41/TeV J2032+4130 as measured by ARGO-YBJ (magenta solid line).", "mime": "application/pdf"}, {"id": "ap-1935", "words": "5020", "extension": ".pdf", "flesch": "69", "author": "Brenneman, Laura", "title": "MEASURING SUPERMASSIVE BLACK HOLE SPINS IN AGN", "date": "2013", "keywords": "agn; disk; kev; line; spin", "summary": "[27] have done, re- quires the compTT component to possess significant curvature up into the Fe K band, reducing the need for the relativistic reflection to account for this same curvature seen in the data and thereby eliminating the requirement of high BH spin. I begin in \u00a72 with an examination of the spectral modeling techniques used to measure BH spin in AGN.", "mime": "application/pdf"}, {"id": "ap-1936", "words": "4920", "extension": ".pdf", "flesch": "61", "author": "D\u00edaz Trigo, Maria; Boirin, Laurence", "title": "DISC ATMOSPHERES AND WINDS IN X-RAY BINARIES", "date": "2013", "keywords": "disc; et al; line; lmxbs; plasma; wind", "summary": "These observations are in agreement with models of photoionised winds by Sim et al. In contrast, the same X-rays that prevent UV line opacity can heat low density gas to a temperature \u223c 107 K and potentially drive thermal winds.", "mime": "application/pdf"}, {"id": "ap-1939", "words": "5168", "extension": ".pdf", "flesch": "71", "author": "Zi\u00f3\u0142kowski, Janusz", "title": "POPULATION OF BLACK HOLES IN THE MILKY WAY AND IN THE MAGELLANIC CLOUDS", "date": "2013", "keywords": "apj; bhs; binaries; mass; ray", "summary": "In this review, I will briefly discuss the different types of black hole (BH) populations (supermassive, intermediate mass and stellar mass BHs) both in the Galaxy and in the Magellanic Clouds and compare them with each other. Stellar mass BHs 4.1.", "mime": "application/pdf"}, {"id": "ap-194", "words": "3924", "extension": ".pdf", "flesch": "46", "author": "Prokopska, A.", "title": "Application of Morphological Analysis Methodology in Architectural Design", "date": "2001", "keywords": "analysis; design; features; fig; method; methodology; process; solutions; technical", "summary": "In morphological analysis method, the examination of fragments of reality or their design, and regarding these fragments as a whole composed of various parts (e.g., architectural forms), corresponds with the modern level of complexity of design processes as intellectual processes, and the complexity of the design of technical objects, including architectural objects. Lull\u2019s art as the primary idea of morphological analysis, has been acknowledged as to an element corresponding with the specificity of architectural design.", "mime": "application/pdf"}, {"id": "ap-1940", "words": "4547", "extension": ".pdf", "flesch": "60", "author": "Beall, James H.", "title": "FROM GALACTIC TO EXTRAGALACTIC JETS: A REVIEW", "date": "2013", "keywords": "beall; data; jet; jets; radio; ray; variability", "summary": "676 Acta Polytechnica 53(Supplement):671\u2013676, 2013 1 Introduction 2 Concurrent radio and X-ray variability of Centaurus A (NGC 5128) as an indication of jet launch or jet\u2013cloud interactions? 3 A comment on particle acceleration in the jet\u2013ambient-medium interaction 4 Galactic microquasars and AGN jets 5 Concluding remarks Acknowledgements References An analysis of the data that have recently become available from observing campaigns, including VLA, VLBA, and satellite instruments, shows some remarkable similarities and significant differences in the data from some epochs of galactic microquasars, including GRS 1915+105, the concurrent radio and X-ray data", "mime": "application/pdf"}, {"id": "ap-1942", "words": "4416", "extension": ".pdf", "flesch": "57", "author": "Bisnovatyi-Kogan, Gennady; Klepnev, Alexandr S.; Lovelace, Richard V.E.", "title": "ACCRETION DISKS WITH A LARGE SCALE MAGNETIC FIELD AROUND BLACK HOLES", "date": "2013", "keywords": "accretion; bisnovatyi; disk; field; kogan; region; scale", "summary": "We consider accretion disks around black holes at high luminosity, and the problem of the formation of a large-scale magnetic field in such disks, taking into account the non-uniform vertical structure of the disk. Jets are observed in objects with black holes: collimated ejection from accretion disks.", "mime": "application/pdf"}, {"id": "ap-1945", "words": "2970", "extension": ".pdf", "flesch": "54", "author": "Beall, J. H.; Guillory, J.; Rose, D. V.; Wolff, Michael T.", "title": "MODELING JET INTERACTIONS WITH THE AMBIENT MEDIUM", "date": "2013", "keywords": "beall; code; energy; jet; jets; medium; plasma; simulations", "summary": "Solving the system of equations yields a time-dependent set of normal- ized wave energies (i.e., the ratio of the wave energy divided by the thermal energy of the plasma) that are generated as a result of jets interaction with the ambient medium. Recent high-resolution (see, e.g., [13]) observations of astrophysical jets reveal complex structures apparently caused by ejecta from the central engine as the ejecta interact with the surrounding interstellar material.", "mime": "application/pdf"}, {"id": "ap-1946", "words": "4816", "extension": ".pdf", "flesch": "55", "author": "Amati, Lorenzo; Dichiara, Simone", "title": "INVESTIGATING THE Ep, i \u2013Eiso CORRELATION", "date": "2013", "keywords": "correlation; eiso; eiso correlation; energy; fermi; grbs; redshift", "summary": "Fermi GRBs are marked with red (GBM detection) and blue (GBM + LAT detec- tion) color. Finally, based on time-resolved analysis of BATSE, BeppoSAX and Fermi GRBs, it was found that the Ep,i \u2013Liso correlation holds also within a good fraction of GRBs [20], which is robust evidence for a physical origin, also providing clues to its explanation.", "mime": "application/pdf"}, {"id": "ap-1948", "words": "3594", "extension": ".pdf", "flesch": "68", "author": "Stanev, Todor", "title": "ULTRAHIGH ENERGY COSMIC RAYS: REVIEW OF THE CURRENT SITUATION", "date": "2013", "keywords": "array; auger; energy; events; hires; telescope", "summary": "Keywords: high energy cosmic rays, hadronic interaction at very high energy, origin of the highest energy cosmic rays. At relatively low energy, the widths of the distribu- tions were more similar to proton showers, while at high energy the statistics is not enough to judge the distributions. 2.3.", "mime": "application/pdf"}, {"id": "ap-1951", "words": "3104", "extension": ".pdf", "flesch": "61", "author": "Grillo, Aurelio F.", "title": "THE MASS COMPOSITION OF ULTRA HIGH ENERGY COSMIC RAYS", "date": "2013", "keywords": "auger; composition; data; energy; mass; xmax", "summary": "[ g /c m m a x < X 650 700 750 800 850 1407 1251 998 781 619 457 331 230 188 143 186 106 47 EPOSv1.99 p Fe QGSJET01 p Fe SIBYLL2.1 p Fe QGSJETII p Fe EPOSv1.99 p Fe QGSJET01 p Fe SIBYLL2.1 p Fe QGSJETII p Fe Figure 3. Xmax (upper panel) and RMS(Xmax) com- pared with predicted values for pure compositions in different interaction models. Consequently they pro- vide different expectations for \u3008Xmax\u3009 and \u03c3(Xmax).", "mime": "application/pdf"}, {"id": "ap-1953", "words": "3012", "extension": ".pdf", "flesch": "56", "author": "Aloisio, Roberto", "title": "COMPUTATIONAL SCHEMES FOR THE PROPAGATION OF ULTRA HIGH ENERGY COSMIC RAYS", "date": "2013", "keywords": "disintegration; energy; kinetic; nuclei; photo; process", "summary": "2. One should distin- guish between primary nuclei, i.e. nuclei accelerated at the source and injected in the intergalactic space, and secondary nuclei and nucleons, i.e. particles pro- duced as secondaries in the photo-disintegration chain. In particular, the flux of secondary nuclei and nucleons produced in the photo-disintegration 705 Roberto Aloisio Acta Polytechnica chain of primary A0 is obtained by the numerical computation of A0 nested integrals and this computa- tion should be repeated each time the hypothesis on sources (injection and distribution) is changed.", "mime": "application/pdf"}, {"id": "ap-1954", "words": "3492", "extension": ".pdf", "flesch": "59", "author": "Petrukhin, Anatoly A.", "title": "INFLUENCE OF THE RESULTS OF UHECR DETECTION ON THE LHC EXPERIMENTS", "date": "2013", "keywords": "eas; energy; experiments; lhc; muons; nuclei; production", "summary": "The cosmic ray energy region 1015 \u00f7 1017 eV corresponds to LHC energies 1 \u00f7 14TeV in the center-of-mass system. Of course, there are many tasks connected with investigations of hadron-hadron interactions at LHC energies, tests of existing theoretical models be- havior at such energies, etc.", "mime": "application/pdf"}, {"id": "ap-1957", "words": "3820", "extension": ".pdf", "flesch": "59", "author": "Bruno, A.; Adriani, O.; Barbarino, G. C.; Bazilevskaya, G. A.; Bellotti, R.; Boezio, M.; Bogomolov, E. A.; Bongi, M.; Bonvicini, V.; Borisov, S.; Bottai, S.; Cafagna, F.; Campana, D.; Carbone, R.; Carlson, P.; Casolino, M.; Castellini, G.; Consiglio, L.; De Pascale, M. P.; De Santis, C.; De Simone, N.; Di Felice, V.; Galper, A. M.; Gillard, W.; Grishantseva, L.; Jerse, G.; Karelin, A. V.; Kheymits, M. D.; Koldashov, S. V.; Krutkov, S. Y.; Kvashnin, A. N.; Leonov, A.; Malakhov, V.; Marcelli, L.; Mayorov, A. G.; Menn, W.; Mikhailov, V. V.; Mocchiutti, E.; Monaco, A.; Mori, N.; Nikonov, N.; Osteria, G.; Palma, F.; Papini, P.; Pearce, M.; Picozza, P.; Pizzolotto, C.; Ricci, M.; Ricciarini, S. B.; Rossetto, L.; Sarkar, R.; Simon, M.; Sparvoli, R.; Spillantini, P.; Stozhkov, Y. I.; Vacchi, A.; Vannuccini, E.; Vasilyev, G.; Voronov, S. A.; Yurkin, Y. T.; Wu, J.; Zampa, G.; Zampa, N.; Zverev, V. G.", "title": "PRECISE COSMIC RAYS MEASUREMENTS WITH PAMELA", "date": "2013", "keywords": "cosmic; data; energy; et al; italy; pamela; results", "summary": "PAMELA data cover the largest energy range ever achieved, with no atmospheric overburden. 2.2.1. PAMELA data are consistent with those of other ex- periments, considering the statistical and systematic uncertainties of the various experiments [7, and refer- ences therein].", "mime": "application/pdf"}, {"id": "ap-1958", "words": "4773", "extension": ".pdf", "flesch": "69", "author": "Fargion, Daniele", "title": "RADIOACTIVE UHECR ASTRONOMY: CORRELATING GAMMA ANISOTROPY AND NEUTRINO PEV EVENTS", "date": "2013", "keywords": "anisotropy; auger; cena; energy; events; gamma; gzk; neutrino; nuclei; tev; uhecr", "summary": "Their connection to UHECR radioactive decay and scattering in flight is a possibility to be tested in future Cosmic ray anisotropy and UHECR maps. The recent absence of narrow angle clustering in UHECR maps, as it should be expected for protons, the missing of events along the nearest Cluster Virgo, the wide spread (nearly 16\u00b0 angle) of UHECR along CenA are in disagreement with the first proton\u2013UHECR AUGER understanding.", "mime": "application/pdf"}, {"id": "ap-196", "words": "1628", "extension": ".pdf", "flesch": "55", "author": "Haghi, A. K.", "title": "Experimental Investigations on Drying of Porous Media Using Infrared Radiation", "date": "2001", "keywords": "drying; fabric; image; rate; surface", "summary": "Where S = speed of fabric in the oven (m/s), L = fabric width (m), D = superficial weight of dry fabric (g/m2 ). Keywords: infrared dryer, porous media, drying rate, image analysis Table 1: Fabrics used in the drying study FABRIC FIBER WEIGHT, g/m2 A COTTON 130 B POLYESTER 150 In the drying process, water is evaporated from the ex- posed yarn surfaces and replaced by water migration from within the fabric structure.", "mime": "application/pdf"}, {"id": "ap-1961", "words": "2722", "extension": ".pdf", "flesch": "73", "author": "Erlykin, Anatoly D.; Wolfendale, Arnold W.", "title": "DO WE SEE THE \u2018IRON PEAK\u2019?", "date": "2013", "keywords": "energy; knee; mass; source; spectrum", "summary": "[3] Apel W.D. et al., 2009, Astropart. Cosm.Ray Conf., Beijing, 1, 209 [5] Berezhnev S.F.et al., 2011b, 32nd Int.", "mime": "application/pdf"}, {"id": "ap-1963", "words": "2132", "extension": ".pdf", "flesch": "61", "author": "Chiavassa, A.; Apel, W. D.; Arteaga-Vel\u00e1zquez, J. C.; Bekk, K.; Bertaina, M.; Bl\u00fcmer, J.; Bozdog, H.; Brancus, I. M.; Cantoni, E.; Cossavella, F.; Daumiller, K.; de Souza, V.; Di Pierro, F.; Doll, P.; Engel, R.; Engler, J.; Finger, M.; Fuchs, B.; Fuhrmann, D.; Garino, F.; Gils, H. J.; Glasstetter, R.; Grupen, C.; Haungs, A.; Heck, D.; H\u00f6randel, J. R.; Huber, D.; Huege, T.; Kampert, K.-H.; Kang, D.; Klages, H. O.; Link, K.; \u0141uczak, P.; Ludwig, M.; Mathes, H. J.; Mayer, H. J.; Melissas, M.; Milke, J.; Mitrica, B.; Morello, C.; Oehlschl\u00e4ger, J.; Ostapchenko, S.; Palmieri, N.; Petcu, M.; Pierog, T.; Rebel, H.; Roth, M.; Schieler, H.; Schoo, S.; Schr\u00f6der, F. G.; Sima, O.; Toma, G.; Trinchero, G. C.; Ulrich, H.; Weindl, A.; Wochele, J.; Wommer, M.; Zabierowski, J.", "title": "DETECTION OF A CHANGE OF SLOPE IN THE SPECTRUM OF HEAVY MASS COSMIC RAYS PRIMARIES BY THE KASCADE-GRANDE EXPERIMENT", "date": "2013", "keywords": "cic; energy; experiment; grande; heavy; kascade; knee; spectrum", "summary": "Keywords: cosmic rays, energy spectrum, extensive air showers. Reconstructed energy spectrum of the electron-poor and electron-rich components together with the all-particle spectrum for the angular range 0\u00b0 < \u03b8 < 40\u00b0.", "mime": "application/pdf"}, {"id": "ap-1965", "words": "2791", "extension": ".pdf", "flesch": "59", "author": "Tricomi, Alessia", "title": "RESULTS FROM LHCF EXPERIMENT", "date": "2013", "keywords": "data; energy; lhcf; models; spectra", "summary": "Single photon energy spectra measured by LHCf (black dots) in \u03b7 > 10.94 (left) and 8.81 < \u03b7 < 8.99 (right) bin, respectively, for 7TeV (top panel) and \u03b7 > 10.15 (left) and 8.77 < \u03b7 < 9.46 (right) bin, respectively, for 900GeV (bottom panel) p\u2013p collisions. Impact of LHCf results on HECR Physics The first LHCf results have attracted attention in the HECR community.", "mime": "application/pdf"}, {"id": "ap-1966", "words": "4624", "extension": ".pdf", "flesch": "60", "author": "van Putten, Maurice H.P.M.", "title": "SEARCH FOR GRAVITATIONAL WAVES FROM SUPERNOVAE AND LONG GRBS", "date": "2013", "keywords": "curve; energy; grbs; hole; light; neutron; supernovae; time; van", "summary": "We report on evidence for black hole spindown in the light curves of the BATSE catalogue of 1491 long GRBs by application of matched filtering. Frame dragging induced outflows According to the Kerr metric, the angular momen- tum of rotating black holes induces frame dragging.", "mime": "application/pdf"}, {"id": "ap-1968", "words": "2842", "extension": ".pdf", "flesch": "72", "author": "Milano, L.; Calloni, E.; De Rosa, R.; De Laurentis, M.; Di Fiore, L.; Garufi, F.", "title": "THE PAST AND THE FUTURE OF DIRECT SEARCH OF GW FROM PULSARS IN THE ERA OF GW ANTENNAS", "date": "2013", "keywords": "ligo; pulsars; virgo", "summary": "Figure 1 shows that the great majority of known pulsars (green diamonds) are below the present sen- sitivity curves of the LIGO and Virgo GW anten- nas, and only a few of them (shown in cyan) fall in the range of sensitivity of either Advanced LIGO or Advanced Virgo or in the range of the Einstein Telescope Hirakawa et al.", "mime": "application/pdf"}, {"id": "ap-1971", "words": "2649", "extension": ".pdf", "flesch": "48", "author": "Martini, M.; Dell\u2019Agnello, S.; Currie, D.; Delle Monache, G. O.; Vittori, R.; Berardi, S.; Boni, A.; Cantone, C.; Ciocci, E.; Lops, C.; Garattini, M.; Maiello, M.; Patrizi, G.; Tibuzzi, M.; Intaglietta, N.; Chandler, J.; Bianco, G.", "title": "MOONLIGHT: A NEW LUNAR LASER RANGING RETROREFLECTOR AND THE LUNAR GEODETIC PRECESSION", "date": "2013", "keywords": "apollo; arrays; laser; llr; lunar; ranging; scf", "summary": "[11] T. W. Murphy et al, Publications of The Astronomical Society of the Pacific, 121:29\u201340, 2009; The Apache Point Observatory Lunar Laser-ranging Operation (APOLLO): Two Years of Millimeter- Precision Measurements of the Earth-Moon Range [12] I. I. Shapiro, R. D. Reasenberg, J. F. Chandler, R. W. Babcock, PRL 61, 2643 (1988); Measurement of the de Sitter Precession of the Moon: a Relativistic Three-Body Effect [13] J. G. Williams, S. G. Turyshev, and D. H. Boggs, PRL 93, 261101 (2004) [14] Williams, J. G., Newhall, X. X., Dickey, J. O. Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 53, Issue 12, 15 June 1996, pp.6730\u20136739 06/1996; Relativity parameters determined from lunar laser ranging [15] Williams, James G., Newhall, X. X., Dickey, Jean O., Planetary and Space Science, v. 44, p. 1077\u20131080. 10/1996; Lunar moments, tides, orientation, and coordinate frames [16] Williams, J. G., Turyshev, S. G., Boggs, D. H., Ratcliff, J. T., Adv. Space Res. 37(1), 67\u201371, 2006; Lunar laser ranging science: gravitational physics and lunar interior and geodesy 749 http://iln.arc.nasa.gov/ Acta Polytechnica 53(Supplement):746\u2013749, 2013 1 Introduction 1.1 The Satellite/lunar laser ranging Characterization Facility (SCF) 1.2 The MoonLIGHT \u2013 ILN experiment 2 Analysis of lunar laser ranging data 3 Conclusions Acknowledgements References", "mime": "application/pdf"}, {"id": "ap-1973", "words": "3822", "extension": ".pdf", "flesch": "62", "author": "Grieder, Peter K. F.", "title": "RECENT DEVELOPMENTS IN ULTRA-HIGH ENERGY NEUTRINO ASTRONOMY", "date": "2013", "keywords": "cherenkov; energy; et al; ice; neutrino; proc; uhe", "summary": "Moreover, huge thick homogeneous surface layers or bodies of suitable target material, such as the Antarc- tic ice shelf or the giant Greenland ice cap, can be surveyed with balloon (ANITA, Gorham et al. 53 supplement/2013 Recent Developments in Ultra-High Energy Neutrino Astronomy [49] M\u00fcnch, K. et al.: 2005, Proc. ICRC 5,", "mime": "application/pdf"}, {"id": "ap-1974", "words": "3069", "extension": ".pdf", "flesch": "59", "author": "Maldera, S.", "title": "LIMIT ON UHE NEUTRINO FLUXES FROM THE PIERRE AUGER OBSERVATORY", "date": "2013", "keywords": "auger; earth; flux; limits; neutrino; showers", "summary": "Exposure of the surface detector for ES and DG neutrino induced showers, corresponding re- spectively to 3.5 and 2 years of the complete and fully efficient surface detector (the deployment of the SD was concluded by the end of 2008). Identification of \u03bd candidates Neutrino induced showers have to be extracted from a large background of cosmic ray showers (protons or heavier nuclei).", "mime": "application/pdf"}, {"id": "ap-1977", "words": "2898", "extension": ".pdf", "flesch": "65", "author": "Ronga, Francesco", "title": "ANALYSIS OF THE MACRO EXPERIMENT DATA TO COMPARE PARTICLE ARRIVAL TIMES UNDER GRAN SASSO", "date": "2013", "keywords": "analysis; data; macro; muons; neutrino; time; tracks", "summary": "Difference between track time and average time for multiple parallel muons with 2 or 3 tracks as function of cos(\u03b8). Difference between track time and average time for multiple muons with 2 or 3 tracks (continuos line) compared with a \u201csimulation\u201d using the data (dashed line).", "mime": "application/pdf"}, {"id": "ap-1978", "words": "3917", "extension": ".pdf", "flesch": "60", "author": "Katz, Uli F.", "title": "NEUTRINOS AS COSMIC MESSENGERS IN THE ERA OF ICECUBE, ANTARES AND KM3NET", "date": "2013", "keywords": ".1667em\\relax; \\kern; antares; icecube; km3net; neutrino; sea; sources; telescopes", "summary": "It is important to note that \u2013 at least for neutrino energies below a PeV \u2013 the field of view of neutrino telescopes is restricted to the lower hemisphere and therefore Galactic neutrino sources are difficult to observe from the South Pole. Keywords: neutrino astronomy, neutrino telescopes, ANTARES, IceCube, KM3NeT. 1.", "mime": "application/pdf"}, {"id": "ap-198", "words": "3584", "extension": ".pdf", "flesch": "60", "author": "Krat\u011bna, J.; Fo\u0159t, I.; Br\u016fha, O.", "title": "Dynamic Effect of Discharge Flow of a Rushton Turbine Impeller on a Radial Baffle", "date": "2001", "keywords": "baffles; discharge; impeller; radial; \ufffd \ufffd", "summary": "If we consider the total number of baffles nb, the moment transferred by the baffles is M F R nb av b b\ufffd \ufffd \ufffd , (28) and finally in dimensionless form M F R n N D n F R Db av b b b av b* * *\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 3 5 . (29) Similarly the portion of the reaction moment of the baffles corresponding to the mutual interference of nb baffles and the impeller discharge stream can be expressed in dimen- sionless form as M n F R Db d b d av b , * , *\ufffd \ufffd \ufffd , (30) where the quantity Fd av, * was calculated according to Eq.", "mime": "application/pdf"}, {"id": "ap-1983", "words": "4711", "extension": ".pdf", "flesch": "58", "author": "Desiati, Paolo", "title": "ICECUBE OBSERVATORY: NEUTRINOS AND THE ORIGIN OF COSMIC RAYS", "date": "2013", "keywords": "cosmic; energy; et al; high; icecube; neutrinos; phys; rays; sources", "summary": "IceTop, using events in coincidence with the deep IceCube array, provides the measurement of the spec- trum and mass composition of cosmic rays at the knee and up to about 1018 eV. The DeepCore sub-array, consisting of 6 densely instrumented strings located at the bottom-center of IceCube, lowers the obser- vatory neutrino energy threshold to about 10GeV. DeepCore uses the surrounding IceCube instrumented volume as a veto for the background of cosmic ray induced through-going muon bundles, thus enhancing the detection of down-going neutrinos within the Deep Core volume. Keywords: neutrinos, cosmic rays, anisotropy.", "mime": "application/pdf"}, {"id": "ap-1984", "words": "3491", "extension": ".pdf", "flesch": "54", "author": "Farnese, Christian", "title": "NEUTRINOS FROM ICARUS", "date": "2013", "keywords": "beam; cern; cngs; detector; events; icarus; lar; neutrino; time; tpc", "summary": "In particular for CNGS neutrino events, using the \u201cEarly Warning Signal\u201d sent from CERN to LNGS 80 ms be- fore each proton extraction, a 60\u00b5s gate is open at the expected proton extraction time, and the trigger is gen- erated when the PMT sum signal is present in at least one TPC chamber within the gate. Furthermore the experimental energy deposi- tion spectrum of neutrino events agrees with the MC expectation assuming \u03b4 = 0.", "mime": "application/pdf"}, {"id": "ap-1986", "words": "2769", "extension": ".pdf", "flesch": "63", "author": "Tomei, Claudia", "title": "STATUS OF THE CUORE EXPERIMENT", "date": "2013", "keywords": "background; cryostat; crystals; cuore; cuore-0; detector; experiment; mass; neutrino", "summary": "Some contributions to CUORE background are shown in Tab. 1, based on the pessimistic hypoth- esis that all the contributions observed in the R&D tests come from sources that will not improve with the geometry of CUORE. CUORE bolometers [10, 11] are tellurium dioxide crystals.", "mime": "application/pdf"}, {"id": "ap-1988", "words": "2332", "extension": ".pdf", "flesch": "69", "author": "Zavarise, Paolo", "title": "THE GERDA EXPERIMENT: STATUS AND FUTURE PLANS", "date": "2013", "keywords": "background; decay; detectors; energy; experiment; gerda; mass", "summary": "Keywords: neutrinoless double beta decay, Majorana neutrino, low background experiment, germa- nium 76. Full energy spectrum of enriched detectors.", "mime": "application/pdf"}, {"id": "ap-1991", "words": "1723", "extension": ".pdf", "flesch": "60", "author": "Ferroni, Fernando", "title": "NEUTRINOLESS DOUBLE BETA DECAY: AN EXTREME CHALLENGE", "date": "2013", "keywords": "background; decay; energy; mass; neutrino", "summary": "The problem The challenge is in the very fact that the sensitivity of this kind of experiment, as previously seen, improves only with the square root of the selected isotope mass, running time, decrease of background index and im- provement of energy resolution. Also background level (b) and energy resolution (\u0394E) behaves as a square root.", "mime": "application/pdf"}, {"id": "ap-1992", "words": "3941", "extension": ".pdf", "flesch": "61", "author": "Boller, Thomas", "title": "EROSITA: AGN SCIENCE, BACKGROUND DETERMINATION, AND OPTICAL FOLLOW-UP SPECTROSCOPY", "date": "2013", "keywords": "background; erosita; galaxies; hole; ray; survey", "summary": "eROSITA black hole growth studies and multi-wavelength follow-up work The study of the black hole growth over cosmic time is one of the key science issues which are of relevance for the core science of the eROSITA mission. 3. eROSITA background determination The eROSITA background has been simulated based on photon and high-energy particle spectral compo- nents.", "mime": "application/pdf"}, {"id": "ap-1993", "words": "2950", "extension": ".pdf", "flesch": "59", "author": "Hudec, Ren\u00e9; \u0160imon, Vojtech; Hudec, Luk\u00e1\u0161", "title": "GRB INVESTIGATIONS BY ESA GAIA AND LOFT", "date": "2013", "keywords": "dispersion; gaia; grbs; loft; oas; ray", "summary": "53 supplement/2013 GRB Investigations by ESA Gaia and LOFT the algorithms developed for the plates for Gaia. An interesting feature of Gaia BP and RP instruments will be the study of highly redshifted triggers.", "mime": "application/pdf"}, {"id": "ap-1994", "words": "2066", "extension": ".pdf", "flesch": "70", "author": "Maeda, Yoshitomo; Takahashi, Tadayuki; Mitsuda, Kazuhisa; Kelley, Richard", "title": "THE ASTRO-H MISSION", "date": "2013", "keywords": "astro; kev; ray; spie", "summary": "[12] H. Tsunemi et al., \u201cSoft X-ray imager (SXI) onboard ASTRO-H\u201d, Proc. SPIE, 8443, submitted (2012) \u201cRapid X-ray flaring from the direction of the supermassive black hole at the Galactic Centre\u201d Nature 413, 45\u201348 (2001) 806 Acta Polytechnica 53(Supplement):803\u2013806, 2013 1 Introduction and current status 2 Spacecraft and instruments 3 Expected Scientific Performance Acknowledgements References", "mime": "application/pdf"}, {"id": "ap-1996", "words": "2351", "extension": ".pdf", "flesch": "61", "author": "Yashin, I. I.; Ampilogov, N. V.; Astapov, I.I.; Barbashina, N.S.; Borog, V.V.; Dmitrieva, A.N.; Kokoulin, R.P.; Kompaniets, K.G.; Mannocchi, G.; Mikhailenko, A.S.; Petrukhin, A.A.; Saavedra, O.; Shutenko, V.V.; Trinchero, G.; Yakovleva, E.I.", "title": "LARGE AREA HODOSCOPES FOR MUON DIAGNOSTICS OF HELIOSPHERE AND EARTH\u2019S MAGNETOSPHERE", "date": "2013", "keywords": "jul; muon; uragan; variations", "summary": "Keywords: cosmic rays, muons, muon hodoscope, angular variations of muon flux, solar, terrestrial connections, heliosphere, magnetosphere. To carry out muon diagnostics, special detectors \u2013 muon hodoscopes \u2013 which can detect muons from any direction with good angular resolution in real-time mode are required.", "mime": "application/pdf"}, {"id": "ap-1998", "words": "2122", "extension": ".pdf", "flesch": "62", "author": "Bertaina, Mario; Ebisuzaki, Toshikazu; Galeotti, Piero; Kajino, Fumiyoshi", "title": "THE JEM-EUSO MISSION", "date": "2013", "keywords": "energy; euso; jem; mission", "summary": "Introduction The Extreme Universe Space Observatory \u2013 EUSO is the first space mission devoted to exploring the Universe through the detection of the extreme energy (E > 50EeV) cosmic rays (EECRs) and neutrinos [1\u2013 5]; it looks downward from the International Space Station (ISS). In 2006, Japanese and U.S. teams redefined the mission as an observatory attached to KIBO, the Japanese Experiment Module (JEM) of ISS.", "mime": "application/pdf"}, {"id": "ap-200", "words": "3774", "extension": ".pdf", "flesch": "71", "author": "John, J.", "title": "Nonlinear Continuous System Identification by Means of Multiple Integration II", "date": "2001", "keywords": "t t; t \ufffd; \ufffd d; \ufffd g; \ufffd u; \ufffd x; \ufffd y; \ufffd \ufffd", "summary": "(7) From (3), (4), (7) follows \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd\ufffd \ufffdx t i f t (11) Let us denote the weighted sum of multiple determined integrals (6 ) (after enumeration of this expression we obtain a scalar constant) as \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffdx", "mime": "application/pdf"}, {"id": "ap-2000", "words": "2033", "extension": ".pdf", "flesch": "66", "author": "Antonelli, Antonella", "title": "THE NA62 EXPERIMENT AT CERN AND THE MEASUREMENT OF THE ULTRA-RARE DECAY K\u207a\u2192\u03c0\u207a v \u0304v", "date": "2013", "keywords": "beam; level; na62; system; veto", "summary": "The Level 0 (L0) trigger algorithm is based on the presence of a charged particle in the RICH and veto conditions on LKr, LAV and muon veto detector, and is performed by dedicated custom hardware modules, with a maxi- mum output rate of 1MHz and a maximum latency of 1ms. Rejection of background from nuclear interactions of charged beam particles other than K+ will be guar- anteed by a differential Cherenkov counter (CEDAR) placed before kaons enter the decay region: Cherenkov photons radiated in a 6m long vessel, filled with he- lium gas, are focussed by an optimised optical system on eight fast PMTs.", "mime": "application/pdf"}, {"id": "ap-2002", "words": "2779", "extension": ".pdf", "flesch": "62", "author": "March, Riccardo; Bellettini, Giovanni; Tauraso, Roberto; Dell\u2019Agnello, Simone", "title": "CONSTRAINING SPACETIME TORSION WITH THE MOON, MERCURY AND LAGEOS", "date": "2013", "keywords": "precession; tensor; torsion", "summary": "As a consequence, spacetime torsion would be observation- ally negligible in the solar system. Gravitational forces are due entirely to spacetime torsion and not to curvature.", "mime": "application/pdf"}, {"id": "ap-2003", "words": "2559", "extension": ".pdf", "flesch": "52", "author": "Garattini, M.; Dell\u2019Agnello, S.; Currie, D.; Delle Monache, G. O.; Tibuzzi, M.; Patrizi, G.; Berardi, S.; Boni, A.; Cantone, C.; Itaglietta, N.; Lops, C.; Maiello, M.; Martini, M.; Vittori, R.; Bianco, G.; March, R.; Bellettini, G.; Tauraso, R.", "title": "MOONLIGHT: A NEW LUNAR LASER RANGING RETROREFLECTOR INSTRUMENT", "date": "2013", "keywords": "apollo; ccr; laser; llr; lunar; new; ranging", "summary": "Since 1969 Lunar Laser Ranging (LLR) to the Apollo Cube Corner Reflector (CCR) arrays has supplied several significant tests of gravity: Geodetic Precession, the Strong and Weak Equivalence Principle (SEP, WEP), the Parametrized Post Newtonian (PPN) parameter \u03b2, the time change of the Gravitational constant (G), 1/r2 deviations and new gravitational theories beyond General Relativity (GR), like the unified braneworld theory (G. Dvali et al., 2003). Keywords: Lunar Laser Ranging, general relativity, gravitation, equivalence principle, geodetic precession, gravitational constant variation, PPN parameters, APOLLO station, International Lunar Network, Cube Corner Retroreflector.", "mime": "application/pdf"}, {"id": "ap-2004", "words": "2586", "extension": ".pdf", "flesch": "56", "author": "Weidenhaupt, Klaus", "title": "THE AUGER ENGINEERING RADIO ARRAY", "date": "2013", "keywords": "aera; air; auger; cosmic; emission; pierre; radio", "summary": "Radio detector stations and calibration The hardware design of the autonomous radio-detector stations (RDSs) evolves from various prototype setups at the Pierre Auger Observatory. [2] use arrays of radio antennas to detect coherent VHF (10\u00f7100MHz) radio emission from extensive air showers induced by cosmic rays.", "mime": "application/pdf"}, {"id": "ap-2007", "words": "1882", "extension": ".pdf", "flesch": "49", "author": "Federici, Memmo; Martino, Bruno L.", "title": "A COMPUTER CLUSTER SYSTEM FOR PSEUDO-PARALLEL EXECUTION OF GEANT4 SERIAL APPLICATION", "date": "2013", "keywords": "cluster; geant4; simulation; software; system; user", "summary": "\u2022 Intensive reuse of serial simulation software. Simulation of the interactions between particles and matter in studies for developing X-rays detectors generally requires very long calculation times (up to several days or weeks).", "mime": "application/pdf"}, {"id": "ap-2008", "words": "4932", "extension": ".pdf", "flesch": "64", "author": "Bressler, Smadar; Shaviv, Giora; Shaviv, Nir J.", "title": "THE SENSITIVITY OF THE GREENHOUSE EFFECT TO CHANGES IN THE CONCENTRATION OF GASES IN PLANETARY ATMOSPHERES", "date": "2013", "keywords": "atmosphere; effect; greenhouse; model; surface; temperature; \u03c4fir; \u03c4vis", "summary": "Keywords: greenhouse effect, radiative transfer, earth like planets, surface temperature. Radiative models which are essentially transmit- tance models like the LBL, cannot predict the result- ing temperature changes, as they do not impose an energy balance equation.", "mime": "application/pdf"}, {"id": "ap-2010", "words": "4152", "extension": ".pdf", "flesch": "66", "author": "Antink, Christoph Hoog; Leonhardt, Steffen", "title": "QUANTIFICATION OF RESPIRATORY SINUS ARRHYTHMIA WITH HIGH-FRAMERATE ELECTRICAL IMPEDANCE TOMOGRAPHY", "date": "2013", "keywords": "bbi; crs; ecg; eit; heart; impedance; rate; run; time", "summary": "In te rv a l [m s ] RMSE = 23.0382 ms, r = 0.91413 CRS ECG 0 20 40 60 80 100 120 150 200 250 300 P e a k D e la y [m s ] Time [seconds] t delay,mean = 203.683 ms ECG to EIT Figure 5. In te rv a l [m s ] RMSE = 33.4943 ms, r = 0.9393 CRS ECG 0 20 40 60 80 100 120 150 200 250 300 350 P e a k D e la y [m s ] Time [seconds] t delay,mean = 218.0469 ms ECG to EIT Figure 6.", "mime": "application/pdf"}, {"id": "ap-2012", "words": "4367", "extension": ".pdf", "flesch": "59", "author": "Lavi\u010dka, Hynek; Novotn\u00fd, Jan", "title": "EMPLOYMENT, PRODUCTION AND CONSUMPTION WITH RANDOM UPDATE: NON-EQUILIBRIUM STATIONARY STATE EQUATIONS", "date": "2013", "keywords": "agent; equations; model; state; system; turn; wage", "summary": "Introduction In recent years, the emergence of cheap computational power and progress in big data science has resulted in the appearance of multi-agent computational models in the economic and social sciences, see [4]. By contrasts, multi-agent computational models have to be perceived as complex systems, see [5\u20137], and this requires a specific set of tools.", "mime": "application/pdf"}, {"id": "ap-2014", "words": "3412", "extension": ".pdf", "flesch": "64", "author": "B\u00f6hm, Anna; Br\u00fcser, Christoph; Leonhardt, Steffen Leonhardt", "title": "A NOVEL BCG SENSOR-ARRAY FOR UNOBTRUSIVE CARDIAC MONITORING", "date": "2013", "keywords": "bcg; beat; channel; heart; intervals; rate; sensor; signal; time", "summary": "However, optical sensors are prone to movement artifacts, as are other BCG sensors. Raw BCG signal.", "mime": "application/pdf"}, {"id": "ap-2015", "words": "2571", "extension": ".pdf", "flesch": "84", "author": "Frougny, Christiane; Klouda, Karel", "title": "FACTOR AND PALINDROMIC COMPLEXITY OF THUE-MORSE\u2019S AVATARS", "date": "2013", "keywords": "complexity; factor; word", "summary": "Keywords: factor complexity, palindromic complexity, univoque numbers, Thue-Morse word. Factor complexity The following lemma points out the similarity between the languages of the words uTM and wa.", "mime": "application/pdf"}, {"id": "ap-2017", "words": "2534", "extension": ".pdf", "flesch": "58", "author": "Jiroutov\u00e1, Dita; Vok\u00e1\u010d, Miroslav", "title": "ANALYSIS OF THE ACCURACY OF FIBRE-OPTIC STRAIN GAUGES", "date": "2013", "keywords": "fibre; length; optic; sofo; strain", "summary": "The most widely used deformation sensors include resistance strain gauges, capacity and induc- tion displacement sensors, and video strain gauges. The spreads of the calibration constants show that it is necessary to calibrate SOFO strain gauges, and to determine their calibration constant, before they are used.", "mime": "application/pdf"}, {"id": "ap-2018", "words": "3019", "extension": ".pdf", "flesch": "60", "author": "Mike\u0161, Jan; Kreibich, Ondrej; Neu\u017eil, Jan", "title": "A LIGHTNING CONDUCTOR MONITORING SYSTEM BASED ON A WIRELESS SENSOR NETWORK", "date": "2013", "keywords": "buildings; lightning; node; prague; protection; sensor; strikes; system", "summary": "This paper presents ways to carry out wireless monitoring of lightning strikes on buildings and to deal with their impact on lightning conductors. Monitored building The proposed solution was developed by implement- ing a wireless sensor into a device used commercially for making a statistical record of lightning strikes on lightning conductors.", "mime": "application/pdf"}, {"id": "ap-202", "words": "3216", "extension": ".pdf", "flesch": "60", "author": "Vognar, M.; Fi\u0161er, M.; \u0160im\u00e1n\u011b, \u010c.; Chv\u00e1til, D.", "title": "Filling and Recycling Apparatus of a Cyclotron Target with Enriched Krypton for Production of Radiopharmaceuticals", "date": "2001", "keywords": "apparatus; container; gas; heating; pressure; target; \ufffd \ufffd", "summary": "The design and construction makes use of previous experience in the construction and operation of two analogue apparatuses for Xe124 high pressure gas targets, but major modifications have been incorporated, evoked by the different physical properties of Kr, by the character of the nuclear reaction, and by the demand for automation from the side of the end user. Keywords: generator, Kr gas target, 36K 82(p, 2n) 37Rb81 reaction.", "mime": "application/pdf"}, {"id": "ap-2021", "words": "4146", "extension": ".pdf", "flesch": "60", "author": "Neusser, Zdenek; Val\u00e1\u0161ek, Michael", "title": "CONTROL OF THE DOUBLE INVERTED PENDULUM ON A CART USING THE NATURAL MOTION", "date": "2013", "keywords": "cart; control; motion; pendulum; position; system", "summary": "Second, the system is stabilized and controlled exactly into the equilibrium at the upper position by NQR control. The input variable u is therefore plotted in the same figure, based on the acceleration of the cart (4) when using NQR control and based on the NQR algorithm in the vicinity of the unstable equilibrium.", "mime": "application/pdf"}, {"id": "ap-2022", "words": "2856", "extension": ".pdf", "flesch": "63", "author": "Patel, Rachana U.; Deheri, G. M.", "title": "EFFECT OF SLIP VELOCITY ON THE PERFORMANCE OF A SHORT BEARING LUBRICATED WITH A MAGNETIC FLUID", "date": "2013", "keywords": "bearing; capacity; load; magnetic", "summary": "Keywords: short bearing, magnetic fluid, slip velocity, load carrying capacity. The distribution of load carrying capacity with re- spect to magnetization \u00b5\u2217 for various values of m, s, L/h2 and h2/B is presented in Figures 2\u20135.", "mime": "application/pdf"}, {"id": "ap-2024", "words": "4266", "extension": ".pdf", "flesch": "57", "author": "Pomprapa, Anake; Misgeld, Berno; Sorgato, Ver\u00f3nica; Stollenwerk, Andr\u00e9; Walter, Marian; Leonhardt, Steffen", "title": "ROBUST CONTROL OF END-TIDAL CO\u2082 USING THE H\u221e LOOP-SHAPING APPROACH", "date": "2013", "keywords": "control; controller; etco2; hammerstein; linear; loop; model; shaping; system", "summary": "Evaluation of model structure Both the linear and nonlinear model structures are used to describe this system. 900 Acta Polytechnica 53(6):895\u2013900, 2013 1 Introduction 2 System modeling 2.1 System configuration 2.2 Static nonlinearity 2.3 Linear affine model 2.4 Nonlinear Hammerstein model 2.5 Evaluation of model structure 3 Design of robust controller 3.1 Loop-shaping design using H infty 3.2 Step response simulation 3.3 Evaluation of closed-loop control ventilation 4 Discussion 5 Conclusion Acknowledgements References", "mime": "application/pdf"}, {"id": "ap-2026", "words": "2792", "extension": ".pdf", "flesch": "57", "author": "Sovj\u00e1k, Radoslav; Vogel, Filip; Beckmann, Birgit", "title": "TRIAXIAL COMPRESSIVE STRENGTH OF ULTRA HIGH PERFORMANCE CONCRETE", "date": "2013", "keywords": "compressive; concrete; loading; strength; triaxial; uhpc", "summary": "strength tests, as it has been found that fibres have no effect on triaxial compressive strength Triaxial compressive strength of the UHPC.", "mime": "application/pdf"}, {"id": "ap-2028", "words": "3302", "extension": ".pdf", "flesch": "60", "author": "Vl\u010dek, Petr; Sko\u010dilas, Jan; Jirout, Tom\u00e1\u0161", "title": "CFD SIMULATION OF A STIRRED DISHED BOTTOM VESSEL", "date": "2013", "keywords": "flow; impeller; model; number; order; vessel", "summary": "The objectives of the paper are to determine complex dimensionless characteristics \u2014 power number and impeller flow rate number \u2014 by carrying out investigations of the velocity field within the stirred vessel using a simulation of the equipment. This study deals with simulation of the flow in stirred vessels.", "mime": "application/pdf"}, {"id": "ap-2030", "words": "4618", "extension": ".pdf", "flesch": "56", "author": "Wirth, Ulrich; Shirali, Nuri; K\u0159\u00edstek, Vladim\u00edr; Kurth, Helmut", "title": "HYBRID SHEARWALL SYSTEM \u2014 SHEAR STRENGTH AT THE INTERFACE CONNECTION", "date": "2013", "keywords": "bars; column; interface; shear; specimen; test; wall", "summary": "shear wall and the interface behavior. In addi- tion, the failure of reinforced concrete shear walls has been found to be caused by local failure of the edge- member columns (flanges).", "mime": "application/pdf"}, {"id": "ap-2035", "words": "5162", "extension": ".pdf", "flesch": "63", "author": "P\u011bni\u010dka, Michal; Hoffman, Pavel; Fo\u0159t, Ivan", "title": "STIRRED FLUIDIZED-BED DRYER OF REGENERATED ION EXCHANGER PARTICLES", "date": "2014", "keywords": "air; bed; drying; fig; layer; particles; period; point; process; rate; surface", "summary": "This paper describes the intensification of the fluidized-bed drying process for regenerated spherical-shape ion exchanger particles in batch mode, achieved by a mechanical stirrer in the fluidized bed layer of dried particles. The drying rate for the first period of fluidized-bed drying is determined according to formula (10), where mS represents dry material mass and As12 is the total area of dried particles determined using formulas (11), (12), (13) and (9) for the studied periods.", "mime": "application/pdf"}, {"id": "ap-2038", "words": "2211", "extension": ".pdf", "flesch": "61", "author": "Beniak, Juraj; Kri\u017ean, Peter; Mat\u00fa\u0161, Milo\u0161; Kov\u00e1\u010dov\u00e1, Monika", "title": "THE OPERATING LOAD OF A DISINTEGRATION MACHINE", "date": "2014", "keywords": "area; material; sample; surface; wedge", "summary": "Figures 3 and 4 show the relation of the measured values of torque Mk to the surface area of the sam- ple material Sm. For various surface areas of the cross-sections, the following torque measurements were taken [6,7,8]: \u2022 Mk1,1, Mk1,2, . . .", "mime": "application/pdf"}, {"id": "ap-2039", "words": "1713", "extension": ".pdf", "flesch": "50", "author": "Br\u00e1zdil, Marian; \u0160najd\u00e1rek, Ladislav; Krac\u00edk, Petr; Posp\u00ed\u0161il, Jir\u00ed", "title": "AUTOMATIC BIOMASS BOILER WITH AN EXTERNAL THERMOELECTRIC GENERATOR", "date": "2014", "keywords": "gas; heat; modules; power; temperature", "summary": "In the near future, thermoelectric generators could completely eliminate the dependence an automated domestic boiler system on the power supply from the electricity grid, and could ensure comfortable operation in the event of an unexpected power grid failure. Keywords: Thermoelectric generator, thermoelectricity, waste heat, biomass boiler.", "mime": "application/pdf"}, {"id": "ap-204", "words": "8799", "extension": ".pdf", "flesch": "57", "author": "Elminir, Hamdy K.; Benda, V.; Kudl\u00e1\u010dek, I.", "title": "Actual Optical and Thermal Performance of Photovoltaic Modules", "date": "2001", "keywords": "angle \ufffd; degrees \ufffd; eo \ufffd; f \ufffd; h \ufffd; m \ufffd; sin \ufffd; t \ufffd; \ufffd cos; \ufffd e; \ufffd ef; \ufffd j; \ufffd k; \ufffd oi; \ufffd q; \ufffd z; \ufffd \ufffd", "summary": "For the meshes at the gap \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffdQ K A h T T K A h T Ti, j, k th yz x i, j, k i 1, j, k th zy x i, j, k im m\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd +1, j, k th xz y i, j, k i, j+1, k th zx y i, j, km m \ufffd \ufffd \ufffd \ufffd \ufffdK A h T T K A h T T\ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd i, j 1, k th xy z i, j, k i, j, k 1 gap yx i, j, k im \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdK A h T T h A T T\ufffd \ufffd\ufffd \ufffd, j, k+1 (35) Where: hx width of mesh in x, hy width of mesh in y, hz width of mesh in z, Axz hxhz, Axy hxhy, Ayz hyhz, m material number, nx total No. of meshes in x-direction, ny total No. of meshes in y-direction and nz total No. of meshes in z-direction. 3: The electric fields at an interface ( f) sandwiched between a pair of outer (o) and inner (i) media: \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdE E M N M E E o + o of E f E fi E i + i \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd .", "mime": "application/pdf"}, {"id": "ap-2041", "words": "2259", "extension": ".pdf", "flesch": "47", "author": "Chr\u00edbik, Andrej; Pol\u00f3ni, Mari\u00e1n; Lach, J\u00e1n; Ragan, Branislav", "title": "THE EFFECT OF ADDING HYDROGEN ON THE PERFORMANCE AND THE CYCLIC VARIABILITY OF A SPARK IGNITION ENGINE POWERED BY NATURAL GAS", "date": "2014", "keywords": "gas; hydrogen; ignition; increases; mixture; pressure", "summary": "As can be seen, with an increasing content of hydrogen the mass lower heating value increases, while the fuel density de- creases, so that the final fuel energy density decreases as the proportion of hydrogen increases. As the proportion of hydrogen increases, the maxi- mum pressure value also increases, and the position of this pressure is lifted closer to TDC, or, more pre- cisely, before TDC, at an unchanged angle of ignition advance.", "mime": "application/pdf"}, {"id": "ap-2043", "words": "1911", "extension": ".pdf", "flesch": "56", "author": "Gajdo\u0161, Mat\u00fa\u0161", "title": "LABORATORY EQUIPMENT FOR AUTOTHERMAL REFORMING OF ORGANIC MATTER IN SUPERCRITICAL WATER", "date": "2014", "keywords": "pressure; reactor; temperature; water", "summary": "Suitable input materials are mainly industrial waste or biomass with high water content. Fluid water in this state is called supercritical water (SCW), and values of its physical properties are included among the values of such properties for liquid phase and gaseous phase.", "mime": "application/pdf"}, {"id": "ap-2044", "words": "1571", "extension": ".pdf", "flesch": "54", "author": "Horvat, Frantisek; Cekan, Michal; Soltes, Lukas; Biath, Peter; Hucko, Branislav; Jedinak, Igor", "title": "CURRENT WAYS TO HARVEST ENERGY USING A COMPUTER MOUSE", "date": "2014", "keywords": "circuit; energy; mouse; piezomaterial", "summary": "Possible energy harvesting systems, PVF2 \u2013 piezomaterial, LT \u2013 circuit required for EH, C \u2013 ca- pacitor, B \u2013 battery, S \u2013 input to mouse system. in an open cavity of the mouse body, as is also shown in Figure 4. Studies have already been made for the potential application of EH circuits based on a piezomaterial, and have shown the possibility of applying it for battery management of cardiostimulators [2].", "mime": "application/pdf"}, {"id": "ap-2045", "words": "1946", "extension": ".pdf", "flesch": "65", "author": "Hrn\u010d\u00ed\u0159ov\u00e1, Michaela; \u0160pil\u00e1\u010dek, Michal; Posp\u00ed\u0161il, Ji\u0159\u00ed", "title": "SIZE ANALYSIS OF SOLID PARTICLES AT THE EXPERIMENTAL DEVICE FOR MULTI-STAGE BIOMASS COMBUSTION", "date": "2014", "keywords": "device; figure; laser; particles; results; size", "summary": "The device utilizes laser diffraction for particle size analysis. The laser analyser shows the results on data sheets, where the frequency of the corresponding range of particle sizes to the whole sample is displayed.", "mime": "application/pdf"}, {"id": "ap-2046", "words": "3604", "extension": ".pdf", "flesch": "68", "author": "Kov\u00e1\u010dov\u00e1, Monika; Mat\u00fa\u0161, Milo\u0161; Kri\u017ean, Peter; Beniak, Juraj", "title": "DESIGN THEORY FOR THE PRESSING CHAMBER IN THE SOLID BIOFUEL PRODUCTION PROCESS", "date": "2014", "keywords": "chamber; pressing", "summary": "Forces in cylindrical pressing chamber. \u2212 d2 2)\u2212 dpa d2 2 = pa(2 tan\u03b1 dx d2 + 4 tan2 \u03b1dx2)\u2212 dpa d2 2.", "mime": "application/pdf"}, {"id": "ap-2048", "words": "2945", "extension": ".pdf", "flesch": "53", "author": "Kri\u017ean, Peter; Mat\u00fa\u0161, Milo\u0161; Beniak, Juraj; Kov\u00e1\u010dov\u00e1, Monika", "title": "STABILIZATION TIME AS AN IMPORTANT PARAMETER AFTER DENSIFICATION OF SOLID BIOFUELS", "date": "2014", "keywords": "briquette; compacting; density; dilatation; pressure; stabilization", "summary": "In the ex- periment we can distinguish between two basic types of briquette dilatation: Dilatation with decreasing briquette density \u2014 when the diameter and the length of the briquette increase and the weight of the briquette decreases (associated effects are crack formation, material fragmentation and briquette decomposition); Dilatation with increasing briquette density \u2014 when the diameter and length of the briquette de- crease and the weight of the briquette increases (an associated effect is briquette shrinkage and in- creased hardness); Both of these types of dilatation effects are signifi- cantly influenced by the type of pressed material, the material moisture, the input fraction size, the applied compacting pressure, the applied pressing tempera- ture during pressing, and the duration of the briquette holding time. It is very important to consider the stabilization time or briquette dilatation mainly due to the changes in briquette density.", "mime": "application/pdf"}, {"id": "ap-2051", "words": "4955", "extension": ".pdf", "flesch": "62", "author": "Lis\u00fd, Martin; Bal\u00e1\u0161, Marek; \u0160pil\u00e1\u010dek, Michal; Sk\u00e1la, Zdenek", "title": "TECHNICAL AND ECONOMIC OPTIMIZATION OF COGENERATION TECHNOLOGY USING COMBUSTION AND GASIFICATION", "date": "2014", "keywords": "air; efficiency; energy; flue; flue gas; gas; heat; solutions; technology", "summary": "88\u201395 51 http://www.tzb-info.cz/2834-orc-technologie-v-realizaci-ii-trhove-sviny-srovnani http://www.tzb-info.cz/2834-orc-technologie-v-realizaci-ii-trhove-sviny-srovnani Acta Polytechnica 54(1):42\u201351, 2014 1 Introduction \u2014 microcogeneration 2 Design and balance calculations for a microcogeneration unit 2.1 Partial evaluation of basic solutions 2.2 Specification and extension of the designed solutions 2.3 Overall evaluation and a comparison of the solutions 3 Economic comparison of the proposed solutions 4 Overall evaluation and a comparison between the options 5 Conclusions Acknowledgements References A decrease in flue gas temperature was achieved via higher amounts of excess air during the combustion process; however, this requires bigger dimensions of the exchanger.", "mime": "application/pdf"}, {"id": "ap-2053", "words": "3149", "extension": ".pdf", "flesch": "52", "author": "Mat\u00fa\u0161, Milo\u0161; Kri\u017ean, Peter; Kov\u00e1\u010dov\u00e1, Monika; Beniak, Juraj", "title": "THE INFLUENCE OF SIZE FRACTION ON THE COMPRESSIBILITY OF PINE SAWDUST AND THE EFFECTIVENESS CRITERION FOR DENSIFICATION", "date": "2014", "keywords": "compressibility; densification; fraction; matter; particulate; sawdust", "summary": "The basic parameter describing the densification process of particulate matter is its compressibility, quantified by the coefficient of compressibility. Raw material (dendro- mass or phytomass) treated in this way has properties similar to those of particulate matter.", "mime": "application/pdf"}, {"id": "ap-2055", "words": "2211", "extension": ".pdf", "flesch": "46", "author": "Onderov\u00e1, Iveta; Koll\u00e1th, Ludov\u00edt; Plosku\u0148\u00e1kov\u00e1, Lucia", "title": "EXPERIMENTAL VERIFICATION OF THE STRUCTURAL AND TECHNOLOGICAL PARAMETERS OF THE PKS", "date": "2014", "keywords": "accuracy; position; positioning; telescopic", "summary": "Unidirectional position repeatability is calculated as follows: RP = l\u0304 + 3Sl, where l\u0304 = 1 n n\u2211 j=1 lj , lj = \u221a (xj \u2212 x\u0304)2 + (yj \u2212 y\u0304)2 + (zj \u2212 z\u0304)2, Sl Positioning accuracy and position repeatability 4.1.", "mime": "application/pdf"}, {"id": "ap-2057", "words": "1950", "extension": ".pdf", "flesch": "45", "author": "Onderov\u00e1, Iveta; \u0160oo\u0161, Lubom\u00edr", "title": "ANALYSIS OF PARAMETERS AFFECTING THE QUALITY OF A CUTTING MACHINE", "date": "2014", "keywords": "accuracy; axis; machine; positioning", "summary": "Scheme of measurement axes Y . Scheme of measurement axes X. out in both directions, i.e. from the right (marked as \u2212) and from the left (marked as +).", "mime": "application/pdf"}, {"id": "ap-2059", "words": "3164", "extension": ".pdf", "flesch": "55", "author": "\u0160tefanica, Ji\u0159\u00ed; Hrdli\u010dka, Jan", "title": "NOx PREDICTION FOR FBC BOILERS USING EMPIRICAL MODELS", "date": "2014", "keywords": "boilers; coal; combustion; fbc; fuel; model; nox; parameters; prediction", "summary": "Authors of NOX prediction models for FBC usually combine a kinetic modelling approach with FBC hydrodynamic models. Combustion parameters.", "mime": "application/pdf"}, {"id": "ap-206", "words": "2027", "extension": ".pdf", "flesch": "52", "author": "Ho\u0161kov\u00e1, \u0160.; Kapi\u010dkov\u00e1, O.; Trt\u00edk, K.; Vod\u00e1k, F.", "title": "Effect of Thermal Cycling on the Strength and Texture of Concrete for Nuclear Safety Structures", "date": "2001", "keywords": "concrete; cycles; number; strength; temel\u00edn; volume", "summary": "These are the only similar factors: TEMEL\u00cdN concrete belongs to class B 40, while PENLY concrete is prepared as so-called high-resist- ance concrete (the uniaxial compression strength is higher than 60 MPa) Acta Polytechnica Vol. 41 No. 2/2001 17 Effect of Thermal Cycling on the Strength and Texture of Concrete for Nuclear Safety Structures \u0160. Ho\u0161kov\u00e1, O. Kapi\u010dkov\u00e1, K. Trt\u00edk, F. Vod\u00e1k The effect of thermal cycling (freezing and thawing) on the texture and strength of two types of concrete is studied:", "mime": "application/pdf"}, {"id": "ap-2061", "words": "2921", "extension": ".pdf", "flesch": "56", "author": "Skopec, Pavel; Hrdli\u010dka, Jan; Kav\u00e1lek, Michal", "title": "SPECIFIC EMISSIONS FROM BIOMASS COMBUSTION", "date": "2014", "keywords": "boiler; combustion; emissions; fuel; pellets; value; wood", "summary": "Developments in boiler construc- tion leading to better efficiency and lower emissions should have been reflected in lower specific emissions in the EEA data, which was gathered six years later than the CHMI data. Keywords: specific emissions, biomass combustion, small-scale boilers.", "mime": "application/pdf"}, {"id": "ap-2064", "words": "5756", "extension": ".pdf", "flesch": "86", "author": "Ram\u00edrez, Jos\u00e9 Luis; Rubiano, Gustavo Nevardo", "title": "BIPERIODIC FIBONACCI WORD AND ITS FRACTAL CURVE", "date": "2015", "keywords": "f(a; fibonacci; word", "summary": "Keywords: Fibonacci word, biperiodic Fibonacci word, biperiodic Fibonacci curve. The words fn are called finite Fibonacci words.", "mime": "application/pdf"}, {"id": "ap-2067", "words": "4363", "extension": ".pdf", "flesch": "59", "author": "Kratky, Lukas; Jirout, Tom\u00e1\u0161", "title": "IMPROVING SPECIFIC POWER CONSUMPTION FOR MECHANICAL MIXING OF THE FEEDSTOCK IN A BIOGAS FERMENTER BY MECHANICAL DISINTEGRATION OF LIGNOCELLULOSE BIOMASS", "date": "2014", "keywords": "batch; consumption; impeller; mixing; power; power consumption; straw", "summary": "Keywords: fermenter, lignocellulose biomass, mixing, specific power consumption, wheat straw. Dependence of power consumption on impeller speed.", "mime": "application/pdf"}, {"id": "ap-2070", "words": "3998", "extension": ".pdf", "flesch": "53", "author": "Loufek, Jan; Kr\u00e1lovcov\u00e1, Ji\u0159ina", "title": "SIMULATION OF RADIATIVE HEAT FLUX DISTRIBUTION UNDER AN INFRARED HEAT EMITTER", "date": "2015", "keywords": "distribution; figure; flux; heat; heat flux; model; reflector; surface; temperature", "summary": "Keywords: radiative heat transfer; simulations; optimization; heat flux distribution. This tool is helpful in providing heat flux distribution functions under various configurations (heater reflector shape, heated surface shape and inclination, distance) and under various input parameters (temperature, emissivity).", "mime": "application/pdf"}, {"id": "ap-2073", "words": "3662", "extension": ".pdf", "flesch": "65", "author": "Bagchi, Bijan; Modak, Subhrajit; Panigrahi, Prasanta K.", "title": "TRACKING DOWN LOCALIZED MODES IN PT-SYMMETRIC HAMILTONIANS UNDER THE INFLUENCE OF A COMPETING NONLINEARITY", "date": "2014", "keywords": "doi; lett; nonlinear; phys; potential; rev", "summary": "Class II solutions On the other hand, if we choose the extended Rosen- Morse potential to have the form V (x) = \u2212a(a+ 1) sech2 x\u2212 V1 sech 2 \u03ba x, W (x) = 2b tanh x, \u03ba \u2208 R \\ {0} (8) then Eq. (3) enjoys a solution \u03a6(x) = \u03a60 sech 1 \u03ba x ei\u00b5x (9) 80 vol. The figure at the right corresponds to the evaluation of Class II solution under the same parametrizations.", "mime": "application/pdf"}, {"id": "ap-2074", "words": "6607", "extension": ".pdf", "flesch": "56", "author": "Bishop, Raymond F.; Znojil, Miloslav", "title": "THE COUPLED-CLUSTER APPROACH TO QUANTUM MANY-BODY PROBLEM IN A THREE-HILBERT-SPACE REINTERPRETATION", "date": "2014", "keywords": "ccm; cluster; doi; hamiltonian; hermitian; hilbert; operator; quantum; space; state; ths", "summary": "Sub- sequently, in section 3 an overall review of the key ideas of CCM constructions will be recalled, and their reinterpretation within the general THS scheme will be described. doi: 10.1103/PhysRevA.55.2686 92 http://dx.doi.org/10.1016/0003-4916(83)90284-1 http://dx.doi.org/10.1103/PhysRevA.36.2519 http://dx.doi.org/10.1007/BF01119617 http://dx.doi.org/10.1016/0003-4916(92)90284-S http://dx.doi.org/10.3842/SIGMA.2009.001 http://dx.doi.org/10.1088/1751-8113/41/24/244026 http://dx.doi.org/10.1016/0375-9474(71)90122-9 http://dx.doi.org/10.1103/PhysRevLett.80.5243 http://dx.doi.org/10.1088/0034-4885/70/6/r03 http://dx.doi.org/10.1088/1751-8113/40/32/R01 http://dx.doi.org/10.1142/S0219887810004816 http://dx.doi.org/10.1088/1751-8113/44/41/415305 http://dx.doi.org/10.1088/1751-8113/42/15/153001 http://dx.doi.org/10.1023/B:CJOP.0000044002.05657.04 http://dx.doi.org/10.1038/nphys1515 http://dx.doi.org/10.1103/PhysRevA.83.042111 http://dx.doi.org/10.1103/PhysRevA.36.2539 http://dx.doi.org/10.1007/978-3-642-61330-2_4 http://dx.doi.org/10.1103/PhysRevA.55.2686 Acta Polytechnica 54(2):85\u201392, 2014 1 Introduction 2 THS representation of a quantum system 2.1 Inspiration: Fourier transform 2.2 Non-unitary mappings Omega = exp(S) 2.2.1 Crypto-Hermitian IBM method 2.2.2 PT-symmetric models 2.2.3 Towards the complex energy spectra. 3 THS interpretation of CCM constructions 3.1 Brief introduction to CCM constructions 3.2 CCM\u2013THS correspondence 4 Discussion 4.1 A CCM\u2013THS fusion? 4.2 Towards the infinite-dimensional Hilbert spaces 4.3 Outlook Acknowledgements References", "mime": "application/pdf"}, {"id": "ap-2077", "words": "3472", "extension": ".pdf", "flesch": "61", "author": "Esina, Anna I.; Shafarevich, Andrei I.", "title": "SEMICLASSICAL ASYMPTOTICS OF EIGENVALUES FOR NON-SELFADJOINT OPERATORS AND QUANTIZATION CONDITIONS ON RIEMANN SURFACES", "date": "2014", "keywords": "equation; graph; operator; spectrum; surface", "summary": "[13] A. A. Shkalikov. doi: 10.4213/im399 [16] A. V. D\u2019yachenko, A. A. Shkalikov.", "mime": "application/pdf"}, {"id": "ap-2078", "words": "5895", "extension": ".pdf", "flesch": "67", "author": "Eleuch, Hichem; Rotter, Ingrid", "title": "EXCEPTIONAL POINTS IN OPEN AND PT-SYMMETRIC SYSTEMS", "date": "2014", "keywords": "eigenfunctions; eigenvalues; eps; quantum; states; symmetric; system", "summary": "Exceptional points (EPs) determine the dynamics of open quantum systems and cause also PT symmetry breaking in PT symmetric systems. Keywords: exceptional points, open quantum systems; PT symmetry breaking, dynamical phase transition, non-Hermitian quantum physics, phase rigidity.", "mime": "application/pdf"}, {"id": "ap-208", "words": "3566", "extension": ".pdf", "flesch": "56", "author": "Kalouskov\u00e1, M.; Novotn\u00e1, E.; \u0160ejnoha, J.", "title": "Reliability - Based Designof Precast Buildings", "date": "2001", "keywords": "b c; c c; fig; joints; \ufffd \ufffd", "summary": "The corresponding stiffness matrix [KBT] of the equiva- lent beam and truss element (see Fig. 5) is given by \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdK E A h E I E Expanding the function g into the Taylor series up to the second order terms and introducing certain orthogonal transformations, the failure surface can be written as: \ufffd \ufffd\ufffd \ufffdg U Un", "mime": "application/pdf"}, {"id": "ap-2081", "words": "2269", "extension": ".pdf", "flesch": "66", "author": "Fern\u00e1ndez, Francisco M.", "title": "ON THE REAL MATRIX REPRESENTATION OF PT-SYMMETRIC OPERATORS", "date": "2014", "keywords": "antiunitary; basis; matrix; operator; set", "summary": "There- fore \u3008\u03d52n|p\u03022|\u03d52m\u3009 = \u3008\u03c62n|p\u03022|\u03c62m\u3009 \u3008\u03d52n|p\u03022|\u03d52m+1\u3009 = \u3008\u03c62n|p\u03022|\u03c62m+1\u3009 = 0 \u3008\u03d52m+1|p\u03022|\u03d52n\u3009 = \u3008\u03c62m+1|p\u03022|\u03c62n\u3009 = 0 \u3008\u03d52n+1|p\u03022|\u03d52m+1\u3009 = \u3008\u03c62n+1|p\u03022|\u03c62m+1\u3009 (23) and \u3008\u03d52n|V |\u03d52m\u3009 = \u3008\u03c62n|<V |\u03c62m\u3009 \u3008\u03d52n+1|V |\u03d52m\u3009 = \u3008\u03c62n+1|=V |\u03c62m\u3009 \u3008\u03d52n|V |\u03d52m+1\u3009 = \u3008\u03c62n+1|<V |\u03c62m+1\u3009 (24)", "mime": "application/pdf"}, {"id": "ap-2083", "words": "4249", "extension": ".pdf", "flesch": "63", "author": "Haag, Daniel; Cartarius, Holger; Wunner, G\u00fcnter", "title": "A BOSE-EINSTEIN CONDENSATE WITH PT-SYMMETRIC DOUBLE-DELTA FUNCTION LOSS AND GAIN IN A HARMONIC TRAP: A TEST OF RIGOROUS ESTIMATES", "date": "2014", "keywords": "delta; eigenvalues; functions", "summary": "Bound states of n-dimensional harmonic oscillator decorated with dirac delta functions. two real eigenvalues the lower of which remains real for any \u03b3, while the higher after a small interval of \u03b3 coalesces with the real eigenvalue of the second excited state and a new pair of complex eigenvalues is born.", "mime": "application/pdf"}, {"id": "ap-2085", "words": "1406", "extension": ".pdf", "flesch": "76", "author": "Jones, H. F.", "title": "THE FLOQUET METHOD FOR PT-SYMMETRIC PERIODIC POTENTIALS", "date": "2014", "keywords": "phys", "summary": "This phenomenon is particularly interesting for the case of periodic PT -symmetric potentials, where unusual band structures may occur [7, 8]. Keywords: band structure, PT symmetry, Floquet method.", "mime": "application/pdf"}, {"id": "ap-2086", "words": "2187", "extension": ".pdf", "flesch": "74", "author": "Kibler, Maurice R.", "title": "ON TWO WAYS TO LOOK FOR MUTUALLY UNBIASED BASES", "date": "2014", "keywords": "d\u22121\u2211; vectors", "summary": "Keywords: finite-dimensional quantum mechanics, quantum information, MUBs, SIC POVMs, equiangular lines, equiangular vectors. Concluding remarks The equivalence discussed in this work of the two ways of looking at MUBs amounts in some sense to the equivalence between the search for equiangular lines in Cd and for equiangular vectors in Cd2 (cf.", "mime": "application/pdf"}, {"id": "ap-2088", "words": "1899", "extension": ".pdf", "flesch": "59", "author": "Leach, P. G. L.", "title": "DIRAC AND HAMILTON", "date": "2014", "keywords": "dirac; equation; hamiltonian; mechanics", "summary": "Dirac devised his theory of Quantum Mechanics and recognised that his operators resembled the canonical coordinates of Hamiltonian Mechanics. Now Hamiltonian Mechanics provided a lodestone to the new Quantum Mechanics. 2.", "mime": "application/pdf"}, {"id": "ap-2090", "words": "2786", "extension": ".pdf", "flesch": "77", "author": "Lee, M. Howard", "title": "CAN ONE REALLY STUDY CHAOS ANALYTICALLY?", "date": "2014", "keywords": "cycle; map", "summary": "Conclusion: aleph cycle and chaotic trajectories Phys. 57, 617 (1985) doi: 10.1103/RevModPhys.57.617 132 http://dx.doi.org/10.1016/0370-1573(82)90057-6 http://dx.doi.org/10.1103/PhysRevLett.87.250601 http://dx.doi.org/10.1103/PhysRevLett.98.110403 http://dx.doi.org/10.1103/RevModPhys.57.617 Acta Polytechnica 54(2):130\u2013132, 2014 1 Introduction 2 One-dimensional continuous map of real numbers in an interval 3 Logistic map 4 Solving the sextic equation: preliminaries 5 Solving the sextic equation: an internal degree of freedom 6 Conclusion: aleph cycle and chaotic trajectories Acknowledgements References", "mime": "application/pdf"}, {"id": "ap-2092", "words": "4647", "extension": ".pdf", "flesch": "67", "author": "L\u00f6hle, Andreas; Cartarius, Holger; Haag, Daniel; Dast, Dennis; Main, J\u00f6rg; Wunner, G\u00fcnter Wunner", "title": "STABILITY OF BOSE-EINSTEIN CONDENSATES IN A PT-SYMMETRIC DOUBLE-\u03b4 POTENTIAL CLOSE TO BRANCH POINTS", "date": "2014", "keywords": "bifurcation; doi; phys; stability; symmetric", "summary": "133 http://dx.doi.org/10.14311/AP.2014.54.0133 http://ojs.cvut.cz/ojs/index.php/ap A. L\u00f6hle, H. Cartarius, D. Haag et al. For increasing 135 A. L\u00f6hle, H. Cartarius, D. Haag et al. Acta Polytechnica 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 \u03ba , \u03c9 \u03b3 \u03b3 \u03ba Re(\u03c9) Im(\u03c9) Re(\u03ba)", "mime": "application/pdf"}, {"id": "ap-2095", "words": "1640", "extension": ".pdf", "flesch": "70", "author": "Mostafazadeh, Ali", "title": "A DIFFERENTIAL INTEGRABILITY CONDITION FOR TWO-DIMENSIONAL HAMILTONIAN SYSTEMS", "date": "2014", "keywords": "hamiltonian", "summary": "The study of integrable Hamiltonian systems has been a subject of active research since the nineteenth century. References [1] R. S. Kaushal and H. J. Korsch, \u201cSome remarks on complex Hamiltonian systems,\u201d Phys.", "mime": "application/pdf"}, {"id": "ap-2097", "words": "5601", "extension": ".pdf", "flesch": "66", "author": "Ohya, Satoshi", "title": "A SIMPLE DERIVATION OF FINITE-TEMPERATURE CFT CORRELATORS FROM THE BTZ BLACK HOLE", "date": "2014", "keywords": "ads3; hole; point; so(1; so(2", "summary": "= \u2206 2 \u22121\u2212ikR \u2212\u2206 2 \u2212ikR G\u2206(kL, kR \u2212 i) gives GR\u2206(kL, kR) Let us first focus on the case where the point (\u03c4, \u03b8) on the AdS3 boundary (\u2202AdS3) lies inside the future light-cone xL = \u03c4 + \u03b8 > 0 and xR = \u03c4 \u2212 \u03b8 > 0.", "mime": "application/pdf"}, {"id": "ap-2099", "words": "5111", "extension": ".pdf", "flesch": "67", "author": "Pre\u0161najder, Peter; G\u00e1likov\u00e1, Veronika; Kov\u00e1\u010dik, Samuel", "title": "LAPLACE-RUNGE-LENZ VECTOR IN QUANTUM MECHANICS IN NONCOMMUTATIVE SPACE", "date": "2014", "keywords": "lrl; operators; space; vector", "summary": "NC operators revisited Now we rewrite the Hamiltonian, the velocity operator and the NC LRL vector in terms of the new auxiliary operators which have been introduced. The Hilbert space of wave functions in NC space and the NC generalizations of important operators (Hamil- tonian, angular momentum, coordinate and velocity) are introduced.", "mime": "application/pdf"}, {"id": "ap-210", "words": "10242", "extension": ".pdf", "flesch": "55", "author": "Tesa\u0159, V.", "title": "Two-equation Turbulence Model Similarity Solution of the Axisymmetric Fluid Jet", "date": "2001", "keywords": "equation; f \ufffd; fig; jet; model; rate \ufffd; solution; turbulence; velocity; z \ufffd; \ufffd c; \ufffd e; \ufffd p; \ufffd t; \ufffd u; \ufffd w; \ufffd \ufffd", "summary": "The discussions presented e.g. in [1] and [2], supported by experimental verifications, indicate that there is \ufffd \ufffd1 (23) and from constancy of axial momentum flow rate [1] there is \ufffd \ufffd \ufffd1. . It may be decomposed into: \ufffd \ufffdP\ufffd \ufffdt t\ufffd \ufffd\ufffd \ufffd\ufffdw 2 2 (2) where the first term, in the present two-dimensional context equal to\ufffdw \ufffd \ufffd \ufffd \ufffd1 1 2 2w w , is a scalar product of two vectors, \ufffd and w.", "mime": "application/pdf"}, {"id": "ap-2101", "words": "8281", "extension": ".pdf", "flesch": "77", "author": "Turgut, Osman Teoman Turgut Teoman; Er\u00f6ncel, Cem", "title": "EXACT RENORMALIZATION GROUP FOR POINT INTERACTIONS", "date": "2014", "keywords": "group; renormalization", "summary": "= \u222b R d\u03be\u2032E0(z0, \u03c4 \u2032, \u03be\u2032)E0(z0, \u03c4 \u2032, \u03be\u2032) g\u039b(\u03c4, \u03c4 \u2032)\u03c4 \u2032 sinh(\u03c0\u03c4 \u2032)\u03d1(\u03c4, \u03c4 \u2032; \u03be) + d\u039b g\u039b(\u03c4,\u039b)\u039b sinh(\u03c0\u039b)\u03d1(\u03c4,\u039b; \u03be) ) , (3.44) and for \u03c4 = \u039b we obtain( \u039b2 + a2) \u03c6\u0303(\u039b, \u03be) = 2 \u03c02 (\u222b \u039b\u2212d\u039b 0 d\u03c4 \u2032 g\u039b(\u039b, \u03c4 \u2032)\u03c4 \u2032 sinh(\u03c0\u03c4 \u2032)\u03d1(\u039b, \u03c4 \u2032; \u03be) + d\u039b g\u039b(\u039b,\u039b)\u039b sinh(\u03c0\u039b)\u03d1(\u039b,\u039b; \u03be) ) .", "mime": "application/pdf"}, {"id": "ap-212", "words": "2865", "extension": ".pdf", "flesch": "51", "author": "B\u00f6sz\u00f6rm\u00e9nyi, G.; B\u00f6sz\u00f6rm\u00e9nyi, L.", "title": "Some Problems of the Integration of Heat Pump Technology into a System of Combined Heat and Electricity Production", "date": "2001", "keywords": "energy; heat; heating; pump; stage; steam", "summary": "If as planned, geothermal heat is fed directly into the district heating network the efficiency would be greatly reduced. In winter, only one housing estate in Ko\u0161ice city would be supplied with heat power (~65 MW) by the heat pump.", "mime": "application/pdf"}, {"id": "ap-2122", "words": "2682", "extension": ".pdf", "flesch": "64", "author": "Dorner, Daniela; Biland, A.; Bretz, T.; Buss, J.; Einecke, S.; Eisenacher, D.; Hildebrand, D.; Knoetig, M. L.; Kr\u00e4henb\u00fchl, T.; Lustermann, W.; Mannheim, K.; Meier, K.; Neise, D.; Overkemping, A.-K.; Paravac, A.; Pauss, F.; Rhode, W.; Ribordy, M.; Steinbring, T.; Temme, F.; Thaele, J.; Vogler, P.; Walter, R.; Weitzel, Q.; Z\u00e4nglein, M.", "title": "FACT \u2014 STATUS AND FIRST RESULTS", "date": "2014", "keywords": "cherenkov; collaboration; data; fact; light; telescope", "summary": "FACT \u2014 First G-APD Cherenkov Telescope With the aim to monitor bright active galactic nu- clei (AGN) in the very high energy (VHE) range, the First G-APD Cherenkov Telescope (FACT) was designed for stable and robust operation. Inexpensive, small telescopes like FACT are ideal systems for extended monitoring of bright TeV blazars and multi-wavelength campaigns.", "mime": "application/pdf"}, {"id": "ap-2124", "words": "2193", "extension": ".pdf", "flesch": "63", "author": "Eikmann, Wiebke; Wilms, J\u00f6rn; Smith, Randall K.; Lee, Julia C.", "title": "X-RAY TRANSMISSION AND REFLECTION THROUGH A COMPTON-THICK MEDIUM VIA MONTE-CARLO SIMULATIONS", "date": "2014", "keywords": "absorption; compton; geometry; line; scattering; spectrum", "summary": "The shape of the fluorescent lines also changes since scattered line photons form several Compton-shoulders which are very prominent especially for Compton-thick sources. The first term describes the number of line photons that was created within \u03c4 and the second term describes the subsequent absorption.", "mime": "application/pdf"}, {"id": "ap-2125", "words": "3309", "extension": ".pdf", "flesch": "60", "author": "Helmich, Martin", "title": "STATIC TESTS OF UNCONVENTIONAL PROPULSION UNITS FOR ULTRALIGHT AIRPLANES", "date": "2014", "keywords": "channel; engine; nozzle; outlet; propulsion; speed; thrust; unit", "summary": "Dimensionless thrust at various engine speeds, depending on the diameter of the exit nozzle. We performed experiments to verify the propulsion functionality and a measurement procedure to determine the available thrust of the propulsion unit and its dependence on engine speed.", "mime": "application/pdf"}, {"id": "ap-2127", "words": "3787", "extension": ".pdf", "flesch": "54", "author": "Karas, Vladim\u00edr; Bakala, Pavel; T\u00f6r\u00f6k, Gabriel; Dov\u010diak, Michal; Wildner, Martin; Wzientek, Dalibor; \u0160r\u00e1mkov\u00e1, Eva; Abramowicz, Marek; Goluchov\u00e1, Kate\u0159ina; Mazur, Grzegorz P.; Vincent, Fr\u00e9d\u00e9ric H.", "title": "DISTINGUISHING BETWEEN SPOT AND TORUS MODELS OF HIGH-FREQUENCY QUASIPERIODIC OSCILLATIONS", "date": "2014", "keywords": "doi; figure; frequency; pds; rxte; signal; spot; torus", "summary": "On the other hand, the LOFT PDS clearly reveal the presence/absence of the harmonics additional to the 3:2 peaks representing the signature of spot motion. Conclusions We can identify the signatures of spot motion mostly with the harmonic content of the observable signal.", "mime": "application/pdf"}, {"id": "ap-2128", "words": "5960", "extension": ".pdf", "flesch": "62", "author": "Kut\u00edlek, Patrik; H\u00fdbl, Jan; Mare\u0161, Jakub; Socha, Vladim\u00edr; Smr\u010dka, Pavel", "title": "A MYOELECTRIC PROSTHETIC ARM CONTROLLED BY A SENSOR-ACTUATOR LOOP", "date": "2014", "keywords": "arm; control; emg; envelope; map; myoelectric; pds; sensor; signal; system", "summary": "Keywords: prosthetic arm; electromyography; sensor system; occupancy grid mapping; fuzzy logic. [26, 27]: Map(x, y, z)\u2032 = ps Map(x, y, z) ps Map(x, y, z) + (1\u2212 ps)(1\u2212Map(x, y, z)) , where Map(x, y, z)\u2032 represents an updated value of the cell in position [x, y, z] after integration of a new sensory reading into the map, Map(x, y, z) represents the previous value, and ps = P [ Map(x, y, z) = OCC \u2223\u2223 {r}] is the probability that the cell is occupied (OCC) according to sensor range reading r, i.e., the sensor model (Fig. 4).", "mime": "application/pdf"}, {"id": "ap-2129", "words": "2479", "extension": ".pdf", "flesch": "58", "author": "Majcher, Ariel; Cwiek, Arkadiusz; Cwiok, Miko\u0142aj; Mankiewicz, Lech; Zaremba, Marcin; Zarnecki, Aleksander F.", "title": "\u201cPI OF THE SKY\u201d OFF-LINE EXPERIMENT WITH GLORIA", "date": "2014", "keywords": "analysis; data; gloria; line; luiza; sky", "summary": "Demonstrator experiments GLORIA allows users to run experiments in the net- work. To present the network capabilities and the perfor- mance of the tools, demonstrator experiments have been created in both categories.", "mime": "application/pdf"}, {"id": "ap-2131", "words": "2270", "extension": ".pdf", "flesch": "68", "author": "Meier, Katja; Biland, A.; Bretz, T.; Buss, J.; Dorner, D.; Einecke, S.; Eisenacher, D.; Hildebrand, D.; Knoetig, M. L.; Kr\u00e4henb\u00fchl, T.; Lustermann, W.; Mannheim, K.; Neise, D.; Overkemping, A.-K.; Paravac, A.; Pauss, F.; Rhode, W.; Ribordy, M.; Steinbring, T.; Temme, F.; Thaele, J.; Vogler, P.; Walter, R.; Weitzel, Q.; Z\u00e4nglein, M.", "title": "FACT \u2014 LONGTERM MONITORING OF BRIGHT TeV BLAZARS", "date": "2014", "keywords": "blazars; cherenkov; fact; longterm; markarian; monitoring; telescope", "summary": "The FACT collaboration was founded in 2008 with the aim to examine these silicon photodectectors for use in Cherenkov telescopes and to monitor bright TeV blazars in the longterm. One major task of the large currently operating Cherenkov telescopes, is to search for new sources.", "mime": "application/pdf"}, {"id": "ap-2132", "words": "3109", "extension": ".pdf", "flesch": "67", "author": "Oberhuber, Tom\u00e1\u0161; Ku\u010dera, Slavom\u00edr; Louck\u00fd, Jakub; S\u00fakupov\u00e1, Lucie; Tint\u011bra, Jaroslav", "title": "SEGMENTING TAGGED CARDIAC MRI DATA USING A LOCAL VARIANCE FILTER", "date": "2014", "keywords": "data; graph; grid; image; method; mri; segmentation", "summary": "Keywords: image segmentation, medical data processing, tagged MRI data, local variance filter, graph cuts. Detection of the ventricles from the tagged MRI data In image segmentation, we aim to find one or more regions in the image such that their borders are de- fined by the edges in the image, and the intensity function is homogeneous inside this region.", "mime": "application/pdf"}, {"id": "ap-2135", "words": "2230", "extension": ".pdf", "flesch": "55", "author": "Ondru\u0161ka, Michal; Drienovsk\u00fd, Mari\u00e1n; \u010ci\u010dka, Roman; Mar\u00f4nek, Milan; N\u00e1plava, Anton\u00edn", "title": "OPTIMIZING THE WELDING OF PLASTICS WITH THE USE OF DIFFERENTIAL SCANNING CALORIMETRY AND THERMOGRAVIMETRIC ANALYSIS", "date": "2014", "keywords": "analysis; atmosphere; dsc; plastics; sample; welding", "summary": "Thermal welding methods have a number of advan- tages and disadvantages. The measured values can determine the optimal temperature parameters for plastic welding.", "mime": "application/pdf"}, {"id": "ap-2137", "words": "3077", "extension": ".pdf", "flesch": "62", "author": "Opiela, Rafa\u0142; Ma\u0142ek, Katarzyna; Mankiewicz, Lech; Siudek, Ma\u0142gorzata; Soko\u0142owski, Marcin; Zarnecki, Aleksander Filip", "title": "PHOTOMETRIC ANALYSIS OF PI OF THE SKY DATA", "date": "2014", "keywords": "catalog; data; quality; sky; stars", "summary": "Histograms of the percentage of bad catalog stars in a single frame. The detector response is correlated with the spectral type (B \u2212 V or J \u2212K) of catalog stars.", "mime": "application/pdf"}, {"id": "ap-2138", "words": "5443", "extension": ".pdf", "flesch": "65", "author": "S\u0142awomir, Wojnar; Rohal-Ilkiv, Boris; \u0160imon\u010dic, Peter; Honek, Marek; Jozef, Csamb\u00e1l", "title": "IN-CYLINDER MASS FLOW ESTIMATION AND MANIFOLD PRESSURE DYNAMICS FOR STATE PREDICTION IN SI ENGINES", "date": "2014", "keywords": "air; control; cylinder; dynamics; engine; estimation; flow; fuel; intake; manifold; mass; model; pressure", "summary": "Air mass flow prediction on a desired amount of assumed intake strokes. no. 0/0000 Example of an Article with a Long Title 100 14.7 1514 50 NOX CO HC C on ve rs io n % Air fuel ratio (-) 7 Figure 1.", "mime": "application/pdf"}, {"id": "ap-214", "words": "8722", "extension": ".pdf", "flesch": "58", "author": "Elminir, Hamdy K.; Rahuma, U. A.; Benda, V.", "title": "Comparison Between Atmospheric Turbidity Coefficients of Desert and Temperate Climates", "date": "2001", "keywords": "air; atmosphere; czech; data; energy; factor; helwan; radiation; turbidity; values; vol; \ufffd \ufffd", "summary": "The beam transmittance may be expected to follow a Bougurer\u2019s Law dependence on atmospheric extinction and air mass, such that: \ufffd \ufffd\ufffd \ufffdb \ufffd \ufffd \ufffdexp m . TL Prague (9) The relation of Equation (9) is similar to the model reported for Avignon, France: \ufffd \ufffd \ufffd \ufffd0103 0052. .", "mime": "application/pdf"}, {"id": "ap-2140", "words": "4441", "extension": ".pdf", "flesch": "72", "author": "\u0160imon, Vojt\u011bch", "title": "LOW-MASS BINARY X-RAY SOURCES: MONITORING WITH VARIOUS SATELLITES", "date": "2014", "keywords": "asm; band; bat; data; monitors; outburst; ray; rxte; time", "summary": "A very hard X-ray band like the one in BAT/Swift sometimes maps quite a different activity (probably coming from a different spectral component) than that detected by monitors observing in soft X-ray band. When some critical mass density of the disk is reached, strong accretion of matter from the disk onto the central com- pact object triggers the outburst, hence a fast increase of X-ray intensity", "mime": "application/pdf"}, {"id": "ap-2143", "words": "2698", "extension": ".pdf", "flesch": "60", "author": "Stuchlik, Zdenek; Schee, Jan", "title": "ON OBSERVATIONAL PHENOMENA RELATED TO KERR SUPERSPINARS", "date": "2014", "keywords": "energy; keplerian; kerr; superspinars", "summary": "We conclude that near-extreme superspinning Kerr geometries are much more efficient for the occurrence of ultra-high energy collisions then the vicinity of the 255 Zdenek Stuchlik, Ultra-high energy collisions in the superspinning kerr geometry.", "mime": "application/pdf"}, {"id": "ap-2144", "words": "2000", "extension": ".pdf", "flesch": "64", "author": "Shershunova, Ekaterina Alexandrovna; Malashin, Maxim; Moshkunov, Sergei; Khomich, Vladislav", "title": "DIFFUSE DBD IN ATMOSPHERIC AIR AT DIFFERENT APPLIED PULSE WIDTHS", "date": "2015", "keywords": "air; current; dbd; discharge; pulse; voltage", "summary": "As a rule, diffuse high-current DBD in atmospheric air is realized by applying voltage pulses of submi- crosecond duration to the electrodes. Many re- searchers have shown that the diffuse mode of DBD with two discharge peaks per one voltage pulse can be ignited at low pressure, and even at atmospheric pressure, in gases such as neon, argon and helium by applying high voltage pulses with short durations to the electrodes", "mime": "application/pdf"}, {"id": "ap-2147", "words": "2538", "extension": ".pdf", "flesch": "65", "author": "Domonkos, M\u00e1ria; I\u017e\u00e1k, Tibor; \u0160tolcov\u00e1, Lucie; Pro\u0161ka, Jan; Demo, Pavel; Kromka, Alexander", "title": "STRUCTURING OF DIAMOND FILMS USING MICROSPHERE LITHOGRAPHY", "date": "2014", "keywords": "diamond; etching; films; mask; plasma; structuring", "summary": "For example, increasing the surface area-to-volume ratio of diamond films improves the field-emission proper- ties by introducing the enhancement effect of the local field near the tips Generally, various nanostruc- tures can be fabricated from diamond films known as nanowires, nanorods, nanoneedles, etc.", "mime": "application/pdf"}, {"id": "ap-2155", "words": "4705", "extension": ".pdf", "flesch": "54", "author": "Indrov\u00e1, Kate\u0159ina; Pro\u0161ek, Zden\u011bk; Topi\u010d, Jaroslav; Ryparov\u00e1, Pavla; Ne\u017eerka, V\u00e1clav; Tes\u00e1rek, Pavel", "title": "MECHANICAL PROPERTIES OF PVA NANOFIBER TEXTILES WITH INCORPORATED NANODIAMONDS, COPPER AND SILVER IONS", "date": "2015", "keywords": "ions; nanofiber; ndp; properties; pva; solution; textiles; vol", "summary": "Keywords: PVA nanofiber textiles; nanodiamonds; ions; mechanical properties; tensile strength. Our study investigates PVA nanofiber textiles based on an aqueous solution for their specific properties and with a view to low cost production.", "mime": "application/pdf"}, {"id": "ap-2156", "words": "3852", "extension": ".pdf", "flesch": "57", "author": "Kulveit, Jan", "title": "ISING MODEL SIMULATIONS AS A TESTBED OF NUCLEATION THEORY", "date": "2015", "keywords": "clusters; energy; ising; model; nucleation; phase; physical; rate; review; theory", "summary": "3. Improvements to nucleation theory In the development of nucleation theory, there is obvi- ously a huge space for extensions and improvements of classical theory. Testbed systems and results Even in a simulation, when modeling real systems us- ing molecular dynamics, nucleation theory gets tested along with various other simulation properties (e.g., a description of interatomic forces).", "mime": "application/pdf"}, {"id": "ap-2159", "words": "6435", "extension": ".pdf", "flesch": "57", "author": "Pro\u0161ek, Zden\u011bk; Kr\u00e1l\u00edk, Vlastimil; Topi\u010d, Jaroslav; Ne\u017eerka, V\u00e1clav; Indrov\u00e1, Kate\u0159ina; Tes\u00e1rek, Pavel", "title": "MICROSTRUCTURE DESCRIPTION AND MICROMECHANICAL PROPERTIES OF SPRUCE WOOD", "date": "2015", "keywords": "cell; earlywood; figure; indentation; latewood; modulus; nanoindentation; properties; stiffness; vol; wall; wood", "summary": "Experimental micromechanical characterisation of wood cell walls. doi:10.1007/s00339\u2013004\u20132864-y [15] Gindl, W. and Sch\u00f6berl, T.: The significance of the elastic modulus of wood cell walls obtained from nanoindentation measurements.", "mime": "application/pdf"}, {"id": "ap-216", "words": "1774", "extension": ".pdf", "flesch": "43", "author": "Svoboda, V.; \u0160iktancov\u00e1, D.", "title": "Determining the Permeable Efficiency of Elements in Transport Networks", "date": "2001", "keywords": "network; permeability; system; time; transport", "summary": "Keywords: the transport networks, elements in transport network, disintegration of transport flow in transport networks, permeability of elements in transport network, permeability of networks, determining of the permeability of edges, deterministic and stochastic work regimes, systems of queuing theory, a transcendental equation. In order to determine the permeability of the trans- port net element with a stochastic work regime, operations research methods were mainly used, in particular queuing theory for typical service systems and stock theory for systems where the transport sets are made up of transport elements.", "mime": "application/pdf"}, {"id": "ap-2160", "words": "2076", "extension": ".pdf", "flesch": "51", "author": "Remes, Zden\u011bk; Novak, Tomas; Stuchlik, Jiri; Stuchlikova, The-ha; D\u0159\u00ednek, Vladislav; Fajgar, Radek; Zhuravlev, Konstantin", "title": "INFRARED PHOTOLUMINESCENCE SPECTRA OF PBS NANOPARTICLES PREPARED BY LANGMUIR\u2013BLODGETT AND LASER ABLATION METHODS", "date": "2014", "keywords": "ablation; infrared; laser; nanoparticles; pbs; photoluminescence; spectra", "summary": "The infrared photoluminescence spectra of PbS nanoparticles prepared by the Langmuir-Blodgett technique show higher photoluminescence intensity and a shift to shorter wavelengths than the infrared photolumines- cence spectra of PbS nanoparticles prepared by laser ablation from a PbS target. We also have proved that PbS nanoparticles prepared in the form of thin layers have high stability.", "mime": "application/pdf"}, {"id": "ap-2164", "words": "2094", "extension": ".pdf", "flesch": "51", "author": "Sveshnikov, Alexey; Demo, Pavel; Ko\u017e\u00ed\u0161ek, Zden\u011bk; Tich\u00e1, Petra", "title": "SHAPE OF A NUCLEUS GROWING ON STRONGLY CURVED SURFACE OF A NANOFIBER", "date": "2014", "keywords": "nanofiber; nucleation; nucleus; shape; surface", "summary": "This assumption leads to the conclusion that growing nuclei have the shape of a spherical cap. Taking into account huge amount of money paid every year for restoration of surface of civil constructions every factor which can reduce the rate of required treatment will lead to appreciable savings.", "mime": "application/pdf"}, {"id": "ap-2166", "words": "7376", "extension": ".pdf", "flesch": "63", "author": "Topi\u010d, Jaroslav; Pro\u0161ek, Zden\u011bk; Indrov\u00e1, Kate\u0159ina; Plach\u00fd, Tom\u00e1\u0161; Ne\u017eerka, V\u00e1clav; Kopeck\u00fd, Lubom\u00edr; Tes\u00e1rek, Pavel", "title": "EFFECT OF PVA MODIFICATION ON PROPERTIES OF CEMENT COMPOSITES", "date": "2015", "keywords": "cement; et al; figure; modulus; pastes; properties; pva; sample; strength; vol; water", "summary": "Discussion The reduced workability of PVA-rich cement pastes is caused by the high viscosity of the PVA solution. The increase in PVA-rich samples (DS), in comparison with PVA-poor samples (BS) as demonstrated in Figure 14, confirms the hardening mechanism theory proposed by some authors [4, 7, 8].", "mime": "application/pdf"}, {"id": "ap-2169", "words": "2412", "extension": ".pdf", "flesch": "73", "author": "Gromada, Daniel; Po\u0161ta, Severin", "title": "AUTOMORPHISMS OF ALGEBRAS AND ORTHOGONAL POLYNOMIALS", "date": "2014", "keywords": "algebra; polynomials", "summary": "[HP\u22121]jk = (N \u2212 2k)[P\u22121]kj , construct a recurrence relation j[P\u22121]k,j\u22121 \u2212 (N \u2212 2k)[P\u22121]k,j + (N \u2212 j)[P\u22121]k,j+1 = 0 (2) and compare it with general recurrence for Krawt- chouk polynomials, j(p\u2212 1)Kj\u22121(x)\u2212 ( j(p\u2212 1) + N \u2212 1 0 . .", "mime": "application/pdf"}, {"id": "ap-2173", "words": "11813", "extension": ".pdf", "flesch": "51", "author": "Karas, Vladim\u00edr; Kop\u00e1\u010dek, Ond\u0159ej; Kunneriath, Devaky", "title": "OBLIQUE MAGNETIC FIELDS AND THE ROLE OF FRAME DRAGGING NEAR ROTATING BLACK HOLE", "date": "2014", "keywords": "accretion; black; chaos; electromagnetic; equatorial; field; hole; karas; kerr; motion; particles; rotating; structure; system; test", "summary": "Keywords: accretion; black holes; gravitation; magnetic fields. Their dynamic properties (e.g., resonances) will therefore leave their imprint on the observed spectra. 399 V. Karas, O. Kop\u00e1\u010dek, D. Kunneriath, J. Hamersk\u00fd Acta Polytechnica The role of magnetic fields near strongly gravitating objects has been the subject of many investigations", "mime": "application/pdf"}, {"id": "ap-2179", "words": "8962", "extension": ".pdf", "flesch": "62", "author": "Zajacek, Michal; Karas, Vladimir; Kunneriath, Devaky", "title": "GALACTIC CENTER MINISPIRAL: INTERACTION MODES OF NEUTRON STARS", "date": "2015", "keywords": "center; distribution; field; figure; galactic; interaction; interaction modes; minispiral; modes; neutron; neutron stars; pressure; pulsar; radius; stars", "summary": "Keywords: galaxy center; individual objects; Sagittarius A; neutron stars. The same order is ex- pected for neutron stars based on multiwavelength statistical studies [11].", "mime": "application/pdf"}, {"id": "ap-218", "words": "3720", "extension": ".pdf", "flesch": "55", "author": "Vorel, M.; Leidich, E.", "title": "Accuracy of Determining Stress Intensity Factors in Some Numerical Programs", "date": "2001", "keywords": "crack; factors; franc3d; intensity; marc; mesh; programs; stress; \ufffd \ufffd", "summary": "False values at crack edges are generally caused by some unsuitable treatment of the singularities which always exist at the ends of a crack front To take advantage of the programs\u2019 ex- tensive functions and high reliability a number of user subroutines for solving stress intensity factors need to be programmed.", "mime": "application/pdf"}, {"id": "ap-2180", "words": "2875", "extension": ".pdf", "flesch": "63", "author": "Sovj\u00e1k, Radoslav; Ra\u0161\u00ednov\u00e1, Jana; M\u00e1ca, Petr", "title": "EFFECTIVE FRACTURE ENERGY OF ULTRA-HIGH-PERFORMANCE FIBRE-REINFORCED CONCRETE UNDER INCREASED STRAIN RATES", "date": "2014", "keywords": "energy; fibre; figure; fracture; rates; strain; uhpfrc", "summary": "This is because when there is a higher fibre volume fraction the maximum pull- out capacity on each individual fibre is reduced; its sensitivity to higher strain rates is therefore also reduced. It is therefore highly desirable to extend the scope of our study presented here, and to verify the effective fracture energy of fibre-reinforced cementitious composites under higher strain rates above 10\u22122 s\u22121.", "mime": "application/pdf"}, {"id": "ap-2195", "words": "4227", "extension": ".pdf", "flesch": "56", "author": "Pikna, Peter; P\u00ed\u010d, Vlastimil; Benda, V\u00edt\u011bzslav; Fejfar, Anton\u00edn", "title": "ANNEALING OF POLYCRYSTALLINE THIN FILM SILICON SOLAR CELLS IN WATER VAPOUR AT SUB-ATMOSPHERIC PRESSURES", "date": "2014", "keywords": "cell; detector; light; lock; method; solar; suns; temperature; voc; voltage", "summary": "Keywords: passivation, water vapour, thin film solar cell, polycrystalline silicon (poly-Si), multicrys- talline silicon (m-Si), Suns-VOC . Sufficient photovoltaic efficiency of thin film solar cells in connection with a sufficiently low production price is the key condition for compet- itiveness on the market dominated by wafer-based solar cells.", "mime": "application/pdf"}, {"id": "ap-2197", "words": "2562", "extension": ".pdf", "flesch": "57", "author": "Cutroneo, Mariapompea; Torrisi, Lorenzo; Mackova, Anna; Velyhan, Andriy", "title": "POLYMERS CONTAINING Cu NANOPARTICLES IRRADIATED BY LASER TO ENHANCE THE ION ACCELERATION", "date": "2015", "keywords": "energy; laser; mylar; plasma; target; thickness", "summary": "The composition and the geometry of the target absorb high laser energy and generate hot plasmas and high charge separation, inducing high ion acceleration, as will be reported. Such a thin film produces high laser absorption due to the presence of the metal which absorbs the IR laser radiation and also due to the Cu nanoparticles in which surface plasmon resonant absorption effects are induced by the laser electromagnetic wave", "mime": "application/pdf"}, {"id": "ap-2199", "words": "2594", "extension": ".pdf", "flesch": "56", "author": "Torrisi, Lorenzo; Cutroneo, Mariapompea; Ullschmied, Jiri", "title": "HYDROGENATED TARGETS FOR HIGH ENERGY PROTON GENERATION FROM LASER IRRADIATING IN TNSA REGIME", "date": "2015", "keywords": "acceleration; energy; ions; laser; plasma; proton", "summary": "MeV pro- ton beams can be applied in various areas of interest, from biomedicine (hadron therapy) to nuclear physics (nuclear fusion processes), from microelectronics (semi- conductor doping) to laser ion source (ion injection in accelerators) and to other fields Higher ion acceleration is therefore expected, as reported in Fig.", "mime": "application/pdf"}, {"id": "ap-220", "words": "4004", "extension": ".pdf", "flesch": "51", "author": "Elsayed, Ashraf El-Shahat; Gr\u00fcnwald, A.; Dvo\u0159\u00e1k, D.", "title": "Pollutant Removal from Highway Runoff Using Retention/Detention Units", "date": "2001", "keywords": "constituents; detention; grit; highway; oil; runoff; solids; units", "summary": "Numerous factors may affect the presence of these constitu- ents and the quality of highway runoff, including: traffic volume, precipitation characteristics, roadway surface type, the nature of the pollutants themselves, surrounding land use, and seasonal considerations. Highway runoff contains to- tal suspended solids, hydrocarbons, oil and greases, chloride, and other contaminants that are transported in solution and particulate forms to adjacent floodplains, roadside swales, and retention/detention ponds.", "mime": "application/pdf"}, {"id": "ap-2200", "words": "2515", "extension": ".pdf", "flesch": "61", "author": "Kurbanismailov, Vali Suliymanovich; Omarov, Omar Alievich; Ragimkhanov, Gadjimirza Balaglanovich; Aliverdiev, Abutrab Alexandrovich", "title": "ABOUT THE UNIFORMITY AND THE STABILITY OF A VOLUME DISCHARGE IN HELIUM IN NEAR-ATMOSPHERIC PRESSURE", "date": "2015", "keywords": "current; discharge; gas; phys; plasma; pressure; voltage; volume", "summary": "Keywords: discharge formation; volume discharge; streamer; discharge plasma. Introduction One of the applications of volume discharges in inert gases is gas laser pumping.", "mime": "application/pdf"}, {"id": "ap-2201", "words": "2926", "extension": ".pdf", "flesch": "65", "author": "Caballero-Garcia, Maria D.; Jelinek, M.; Castro-Tirado, A.; Hudec, R.; Cunniffe, R.; Rabaza, O.; Sabau-Graziati, L.", "title": "INITIAL FOLLOW-UP OF OPTICAL TRANSIENTS WITH COLORES USING THE BOOTES NETWORK", "date": "2015", "keywords": "bootes-2; colores; grb; optical; telescopes", "summary": "In spite of constituting the best tool for deep studies of individual targets, they are not properly suited for the discovery of optical transient sources. Observations of GRB optical counterparts.", "mime": "application/pdf"}, {"id": "ap-2203", "words": "6080", "extension": ".pdf", "flesch": "66", "author": "Domalapally, Phani Kumar; Entler, Slavomir", "title": "COMPARISON OF COOLING SCHEMES FOR HIGH HEAT FLUX COMPONENTS COOLING IN FUSION REACTORS", "date": "2015", "keywords": "cooling; design; divertor; engineering; figure; flow; flux; fusion; heat; helium; tube", "summary": "Some components of fusion reactors receive high heat fluxes either during startup and shutdown, or while the machine is in operation. Liquid metals are proposed as coolants because of their high thermal conductivity and high heat capacity, which enable them to accommodate high heat fluxes (HHF) with relatively low velocities.", "mime": "application/pdf"}, {"id": "ap-2210", "words": "5243", "extension": ".pdf", "flesch": "71", "author": "Beskin, Gregory; Oganesyan, Gor; Greco, Giuseppe; Karpov, Sergey", "title": "STATISTICAL PROPERTIES OF GRB AFTERGLOW PARAMETERS AS EVIDENCE OF COSMOLOGICAL EVOLUTION OF THEIR HOST GALAXIES", "date": "2014", "keywords": "a(u; afterglow; burst; et al; gamma; grb; ray; redshift", "summary": "Prompt optical events (P) are pre- sumably produced as a result of collisions of internal shells in GRB sources, while the afterglows are formed as the shock wave enters the interstellar medium. Pair correlations for different classes of GRB optical counterparts with correlation coefficients greater than 0.5 and significances better than 1%.", "mime": "application/pdf"}, {"id": "ap-2212", "words": "2924", "extension": ".pdf", "flesch": "65", "author": "Beuchert, Tobias; Wilms, J\u00f6rn; Kadler, Matthias; Longinotti, Anna Lia; Guainazzi, Matteo; Miniutti, Giovanni; de la Calle, Ignacio", "title": "X-RAY VARIABILITY STUDY OF POLAR SCATTERED SEYFERT1 GALAXIES", "date": "2014", "keywords": "absorber; galaxies; line; mrk; seyfert; variability", "summary": "As X-ray sources of AGN are assumed to have a diameter of 10rS, the cloud diameter must be > 10rS in order to cover the central source [10]. The shortest measured timescale of 5 days is due to warm absorber variability.", "mime": "application/pdf"}, {"id": "ap-2214", "words": "2892", "extension": ".pdf", "flesch": "57", "author": "Karpov, Sergey; Beskin, Grigory; Plokhotnichenko, Vladimir", "title": "SEARCH FOR ISOLATED BLACK HOLES: PAST, PRESENT, FUTURE", "date": "2014", "keywords": "accretion; emission; flow; hole; horizon; mass; objects; time", "summary": "It uses photometric observations of candidate objects with high time resolution, special hardware and data analysis methods [14, 15], and is based on the fact that fast variability is the critical property of isolated black hole emission. A large fraction of black hole emission is generated inside the 2rg sphere, and so carries information about the physical conditions of space-time very close to the event horizon.", "mime": "application/pdf"}, {"id": "ap-2216", "words": "4211", "extension": ".pdf", "flesch": "59", "author": "Koeny, Marcus; Blanik, Nikolai; Yu, Xinchi; Czaplik, Michael; Walter, Marian; Rossaint, Rolf; Blazek, Vladimir; Leonhardt, Steffen", "title": "USING PHOTOPLETHYSMOGRAPHY IMAGING FOR OBJECTIVE CONTACTLESS PAIN ASSESSMENT", "date": "2014", "keywords": "ani; beat; ecg; figure; heart; pain; ppg; ppgi; rate; signal", "summary": "Data recordings in the University Hospital in Aachen The ECG and PPG signals used to develop and evalu- ate the described algorithms were recorded over a time period of two months anonymously at the University Hospital of Aachen, Germany, after approval by the local ethics committee. HRV signals of ECG, PPG and PPGI.", "mime": "application/pdf"}, {"id": "ap-2218", "words": "3615", "extension": ".pdf", "flesch": "61", "author": "Schillaci, Francesco; Cirrone, Giuseppe A. P.; Korn, George; Maggiore, Mario; Margarone, Daniele; Calabretta, Luciano; Cavallaro, Salvatore; Cuttone, Giacomo; Gammino, Santo; Krasa, Josef; Prokupek, Jan; Velyhan, Andriy; Renis, Marcella; Romano, Francesco; Tomasello, Barbara; Torrisi, Lorenzo; Cutroneo, Mariapompea; Tramontana, Antonella", "title": "ELIMED: MEDICAL APPLICATION AT ELI-BEAMLINES. STATUS OF THE COLLABORATION AND FIRST RESULTS", "date": "2014", "keywords": "beam; beamlines; eli; elimed; energy; laser; mev; proton; system", "summary": "Proton beams with energy up to 60 MeV will be produced. Proton beams with energy up to 100 MeV will be produced.", "mime": "application/pdf"}, {"id": "ap-222", "words": "2579", "extension": ".pdf", "flesch": "55", "author": "Gr\u00fcnwald, A.; \u0160\u0165astn\u00fd, B.; Slav\u00ed\u010dkov\u00e1, K.; Slav\u00ed\u010dek, M.", "title": "Effect of the Distribution System on Drinking Water Quality", "date": "2001", "keywords": "chlorine; solids; time; water; \ufffd \ufffd", "summary": "The overall rate of chlorine decay can be expressed as follows: \ufffd \ufffd\ufffdc b f H w\ufffd \ufffd \ufffd \ufffdk k R c c where \ufffd is the rate of chlorine decay in mg\ufffdl\ufffd1 \ufffdd\ufffd\ufffd, kb first order decay coefficient in d\ufffd\ufffd, c chlorine concentration in bulk flow in mg\ufffdl\ufffd1, kf mass transfer coefficient in m\ufffdd\ufffd1, RH hydraulic radius in m, cw chlorine concentration at the pipe wall in mg\ufffdl\ufffd1. 3 Modeling of chlorine decay The first method for the decrease in chlorine in the bulk flow is based on first order kinetics [3]: c c k t t e\ufffd \ufffd \ufffd 0 1 where ct is the chlorine concentration in time t, in mg\ufffdl\ufffd\ufffd, c0 chlorine concentration in time t = 0, in mg\ufffdl\ufffd\ufffd, t time in days, k1 first order decay coefficient in d\ufffd1.", "mime": "application/pdf"}, {"id": "ap-2220", "words": "2616", "extension": ".pdf", "flesch": "57", "author": "Sl\u00e1ma, Jan; Kr\u00edha, V\u00edtezslav", "title": "INHIBITION OF CANDIDA ALBICANS GROWTH ON SURFACES TREATED BY DIELECTRIC BARRIER DISCHARGE WITH VARIOUS BARRIERS", "date": "2014", "keywords": "agar; albicans; barrier; discharge; inhibition; plasma", "summary": "Keywords: low temperature plasma, dielectric barrier discharge, inhibition, Candida albicans, treat- ment, biological surface. Cultivation, logging and storing After plasma surface treatment, the agar wafers were stacked on an empty Petri dish (Fig. 4) which was placed into the thermostatic chamber.", "mime": "application/pdf"}, {"id": "ap-2221", "words": "3901", "extension": ".pdf", "flesch": "64", "author": "Socha, Vladimir; Kutilek, Patrik; Cakrt, Ondrej; Cerny, Rudolf", "title": "COMPARATIVE MEASUREMENTS OF HEAD ANGULAR MOVEMENTS USING A CAMERA SYSTEM AND A GYROSCOPE SYSTEM", "date": "2014", "keywords": "mean; pitch; roll; subjects; system; traces; velocity", "summary": "These include: mean displacement velocity, total length of the CoP trajectory, movement area, planar deviation, etc. Keywords: head orientation, camera system, orientation tracker, pitch versus roll plots.", "mime": "application/pdf"}, {"id": "ap-2222", "words": "2280", "extension": ".pdf", "flesch": "67", "author": "Sochora, Vjaceslav; Karas, Vladim\u00edr; Svoboda, Jir\u00ed; Dovciak, Michal", "title": "BEYOND THE STANDARD MODEL OF THE DISC\u2013LINE SPECTRAL PROFILES FROM BLACK HOLE ACCRETION DISCS", "date": "2014", "keywords": "accretion; background; black; hole; model; spectrum", "summary": "Model spectrum considering background 3.1. Here we explore the fact that an accretion disc emission can be mathematically imagined as a superposition of radiating accretion rings that extend from the inner edge to the outer rim of the disc, with some radially varying emissivity.", "mime": "application/pdf"}, {"id": "ap-2224", "words": "8221", "extension": ".pdf", "flesch": "77", "author": "Vojta, Vladim\u00edr", "title": "FRACTIONAL CALCULUS AND LAMBERT FUNCTION I. LIOUVILLE\u2013WEYL FRACTIONAL INTEGRAL", "date": "2014", "keywords": "function; integral; laplace; transform; w0(eu; \u222b \u221e", "summary": "du, using the linear substitution x = y + u/W0(1) and the relation ln(W0(1))/W0(1) Its diagonal restriction \u03bd = y gives \u0393(y, y) = e\u2212y \u0393(1\u2212 y)", "mime": "application/pdf"}, {"id": "ap-2227", "words": "1664", "extension": ".pdf", "flesch": "57", "author": "Tsyrenov, Dmitriy; Semenov, Aleksandr; Smirnyagina, Natalia", "title": "MODERNIZATION FEATURES OF A VACUUM INSTALLATION BASED ON LOW-PRESSURE ARC DISCHARGE FOR COMPOSITE TIN-CU LAYERS FORMATION", "date": "2015", "keywords": "composite; figure; layers; magnetron; tin", "summary": "A hybrid technology for forming composite TiN-Cu layers under the combined influence of a magnetron and low pressure arc discharges has been designed. Conclusion Preliminary results have been obtained for a hybrid technology for forming composite TiN-Cu layers with a simultaneous combination of a vacuum arc evaporator and a planar magnetron.", "mime": "application/pdf"}, {"id": "ap-2228", "words": "2198", "extension": ".pdf", "flesch": "58", "author": "Davydova, Marina; Smid, Jiri; Hubicka, Zdenek; Kromka, Alexander", "title": "DEPOSITION CARBON NANOSTRUCTURES BY SURFATRON GENERATED DISCHARGE", "date": "2014", "keywords": "carbon; deposition; gas; nanostructures; plasma; surface", "summary": "Keywords: surfatron, carbon nanostructures, microwave plasma, PECVD. However, deposition of carbon nanostructures by SWD is not broadly used.", "mime": "application/pdf"}, {"id": "ap-2230", "words": "6805", "extension": ".pdf", "flesch": "66", "author": "Lisy, Viliam", "title": "ALTERNATIVE SELECTION FUNCTIONS FOR INFORMATION SET MONTE CARLO TREE SEARCH", "date": "2014", "keywords": "action; algorithm; exp3; game; information; player; selection; set; strategy; uct; \u25cf \u25cf", "summary": "Game theory provides means to deal with all these complications, but previous attempts to adapt MCTS to imperfect information games generally did not eval- uate the properties of the strategies from the perspec- tive of game theory. Keywords: Monte Carlo Tree Search, imperfect information game, selection function, Regret matching.", "mime": "application/pdf"}, {"id": "ap-224", "words": "11745", "extension": ".pdf", "flesch": "59", "author": "Ismail, Ashraf Fouad Hafez", "title": "Class Representation of Shapes Using Qualitative-codes", "date": "2001", "keywords": "code; k0 \ufffd; landmark; nodes; qualitative; set; shape; value; x \ufffd; \ufffd c; \ufffd fig; \ufffd k; \ufffd l; \ufffd q; \ufffd y; \ufffd \ufffd", "summary": "The Q-code (\ufffd) \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd\ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd\ufffdi iA, L, K, C , , ,0 The Q-code \u201c\ufffd\u201d forms the base symbol in the encod- ing formalism. The second A-code (Axx-code) set QA2: \ufffd \ufffdQ A A A A A A A AA nil2 0 0 0\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd, , , , , , , .", "mime": "application/pdf"}, {"id": "ap-2241", "words": "4217", "extension": ".pdf", "flesch": "63", "author": "Duras, Julia; Kalentev, Oleksander; Schneider, Ralf; Matyash, Konstantin; L\u00fcskow, Karl Felix; Geiser, J\u00fcrgen", "title": "ELECTROSTATIC ION THRUSTERS - TOWARDS PREDICTIVE MODELING", "date": "2015", "keywords": "distribution; flux; ion; model; particles; source; thruster; vessel; walls", "summary": "Modeling strategy The most complete model resolving all time scales of ion thrusters would be a direct coupling of a kinetic plasma model with a molecular dynamics model for the walls. This is important, since ion thrusters are qualified within various test- setups.", "mime": "application/pdf"}, {"id": "ap-2244", "words": "3388", "extension": ".pdf", "flesch": "64", "author": "Lisuch, Julius; Dorcak, Dusan; Spisak, Jan", "title": "EFFECTIVE USE OF ROTARY FURNACE SHELL HEAT", "date": "2014", "keywords": "figure; furnace; heat; losses; rotary; shell; surface; temperature", "summary": "By the intensity of the con- trolled shell cooling we can affect the flow of useful heat in the RP segment and thus control the intensity Detained heat [MJ] [%] Q material ln 508 0.54 Q medium ln 518 0.55 Q brought from furnace shell through primary air 5000 5.34 Q burner 87600 93.56 Sum 93626 100 Escaped heat [MJ] [%] QH2O evaporated 654 0.71 Q decomposition MgCO3 31304 33.82 Q decomposition CaCO3 2498 2.70 Q decomposition FeCO3 453 0.49 Q medium Out 34934 37.74 Q mematerial Out 12890 13.93 Q furnace shell losses 4825 5.21 Q brought from furnace shell through primary air 5000 5.40 Sum 92558 100 Table 5. Keywords: rotary furnace, furnace, magnesite, control shell cooling, shell.", "mime": "application/pdf"}, {"id": "ap-2246", "words": "4141", "extension": ".pdf", "flesch": "58", "author": "\u010cech, Jan; Zem\u00e1nek, Miroslav; S\u0165ahel, Pavel; Dvo\u0159\u00e1kov\u00e1, Hana; \u010cern\u00e1k, Mirko", "title": "INFLUENCE OF SUBSTRATE THICKNESS ON DIFFUSE COPLANAR SURFACE BARRIER DISCHARGE PROPERTIES", "date": "2014", "keywords": "barrier; dcsbd; dielectric; discharge; field; plasma; power; surface; thickness; voltage", "summary": "Ozone synthesis from oxygen in dielectric barrier discharges. This paper presents an investigation of the influence of dielectric barrier thickness on the parameters of the Diffuse Coplanar Surface Barrier Discharge.", "mime": "application/pdf"}, {"id": "ap-2252", "words": "2269", "extension": ".pdf", "flesch": "61", "author": "Kelar, Jakub; \u010cech, Jan; Slav\u00ed\u010dek, Pavel", "title": "ENERGY EFFICIENCY OF PLANAR DISCHARGE FOR INDUSTRIAL APPLICATIONS", "date": "2015", "keywords": "current; dcsbd; discharge; estimation; phase; plasma; power; voltage", "summary": "Typical current and voltage waveforms of DCSBD operated at input power of approx. It can be seen that when high added noise is present the absolute error of the power input estimation can be more than 0 to 12W at 250W of input power (i.e., 5% of the value).", "mime": "application/pdf"}, {"id": "ap-2257", "words": "5906", "extension": ".pdf", "flesch": "59", "author": "Ondac, Peter; Horacek, Jan; Seidl, Jakub; Vondr\u00e1cek, Petr; M\u00fcller, Hans Werner; Ad\u00e1mek, Jir\u00ed; Nielsen, Anders Henry", "title": "COMPARISON BETWEEN 2D TURBULENCE MODEL ESEL AND EXPERIMENTAL DATA FROM AUG AND COMPASS TOKAMAKS", "date": "2015", "keywords": "asdex; data; density; electron; esel; model; plasma; temperature; term; tokamak; upgrade", "summary": "The differences in the simulations were in radial boundary conditions (Neumann or Dirichlet) for plasma density, plasma potential, radial electric field and electron tem- perature, value of the the neoclassical Pfirsch-Schlu\u0308ter perpendicular collisional diffusion coefficient for parti- cles D\u2032\u22a5n, value of parallel loss time for particles \u03c4 \u2032\u2016n or in the form of the bracket \u03a8 in the last term in the equation (9) (where the exponential form is shown). The gradient of the radial profile of plasma density in the ESEL simulations matching the ASDEX Upgrade plasma is too small compared with the experiment.", "mime": "application/pdf"}, {"id": "ap-226", "words": "2552", "extension": ".pdf", "flesch": "48", "author": "Haghi, A. K.", "title": "A Mathematical Model of theDrying Process", "date": "2001", "keywords": "content; drying; leather; moisture; temperature; \ufffd \ufffd", "summary": "(2) The boundary conditions for convective heat transfer and mass transfer at the leather surface are \ufffd \ufffdq h T T\ufffd \ufffde e (3) and \ufffd \ufffdm h C C\ufffd \ufffdm e A . These parameters include the operation conditions of the dryer, such as the initial moisture content of the leather, heat and mass transfer coefficients, drying air moisture content, and dryer air temperature.", "mime": "application/pdf"}, {"id": "ap-2263", "words": "5237", "extension": ".pdf", "flesch": "66", "author": "Chatthong, Boonyarit; Onjun, Thawatchai", "title": "STUDY OF L\u2013H TRANSITION AND PEDESTAL WIDTH BASED ON TWO-FIELD BIFURCATION AND FIXED POINT CONCEPTS", "date": "2015", "keywords": "density; figure; particle; pedestal; plasma; pressure; transition; transport; value", "summary": "[ Dneo + Dano 1 + \u03b1(\u03bd\u2032 E)2 ]\u2202n \u2202x = S(x, t), (2) where p is plasma pressure, n is plasma density, \u03c7neo and Dneo represent the neoclassical transport coeffi- cients, \u03c7ano and Dano represent the anomalous trans- port coefficients, \u03bd\u2032 E is the flow shear suppression, \u03b1 is a positive constant representing the strength of the suppression, and H and S are the thermal and particle sources, localized at the center and at the edge of the plasma, respectively. Evidently, the change in parti- cle source has a greater effect on plasma density than on plasma pressure.", "mime": "application/pdf"}, {"id": "ap-2265", "words": "2981", "extension": ".pdf", "flesch": "65", "author": "Bogachev, Nikolay Nikolaevich; Bogdankevich, Irina L.; Gusein-Zade, Namik G.; Sergeychev, Konstantin F.", "title": "OPERATION MODES AND CHARACTERISTICS OF PLASMA DIPOLE ANTENNA", "date": "2015", "keywords": "antenna; metal; modes; plasma; radiation; surface; wave", "summary": "Keywords: plasma antenna, surface electromagnetic wave, numerical simulation, operation modes, metal monopole, radiation pattern. Introduction In recent years much plasma antenna research has been done by theoretical, numerical and experimental methods [1\u201311].", "mime": "application/pdf"}, {"id": "ap-2266", "words": "3084", "extension": ".pdf", "flesch": "63", "author": "Casas, David; Barriga-Carrasco, Manuel D.; Andreev, Alexander A.; Schn\u00fcrer, Matthias; Morales, Roberto", "title": "PROTON STOPPING POWER OF DIFFERENT DENSITY PROFILE PLASMAS", "date": "2015", "keywords": "beam; density; energy; function; loss; plasma; power; proton; stopping", "summary": "Free Electron Stopping Stopping power of free plasma electrons can be cal- culated using a RPA dielectric function (DF). Finally, electronic stopping of free plasma electrons will be calculated in the dielectric formalism as Spf (v) = 2Z2 \u03c0v2 \u222b \u221e 0 dk k \u222b kv 0", "mime": "application/pdf"}, {"id": "ap-2269", "words": "1722", "extension": ".pdf", "flesch": "59", "author": "Bla\u0161ko, Marian; Tittel, Viktor; N\u00e1plava, Anton\u00edn; Ondru\u0161ka, Michal", "title": "INJECTION MOLDING AND STRUCTURAL ANALYSIS IN METAL TO PLASTIC CONVERSION OF BOLTED FLANGE JOINT BY CAE", "date": "2014", "keywords": "analysis; fiber; injection; molding; stress", "summary": "Mechanical properties of fiber reinforced parts are strongly in- fluenced by fiber orientation resulting from injection molding process. Injection molding analysis was performed on ac- tual flange model with corresponding feed system and injection molding parameters.", "mime": "application/pdf"}, {"id": "ap-2270", "words": "4023", "extension": ".pdf", "flesch": "54", "author": "Lahuta, Martin; P\u00e1tek, Zden\u011bk; Sz\u00f6ll\u00f6s, Andr\u00e1s", "title": "COMPUTATIONAL AERODYNAMIC OPTIMIZATION OF LOW-SPEED WING", "date": "2014", "keywords": "aerodynamic; archive; design; evolution; new; optimization; population; vector; wing", "summary": "Typical geometric constraints that can be used are: wing area, wing span, wing aspect ratio, wing taper ratio, wing twist, wing dihedral, wing swept angle. It is necessary to create a database of the airfoils used on the wing in advance, because the aerodynamic characteristics of the airfoils used on the wing and their positions along the wingspan are used as inputs for wing optimization.", "mime": "application/pdf"}, {"id": "ap-2271", "words": "2833", "extension": ".pdf", "flesch": "65", "author": "Castro, Giuseppe; Mascali, David; Romano, Francesco Paolo; Altana, Carmen; Caliri, Claudia; Celona, Luigi; Di Giugno, Rossella; Gambino, Nadia; Lanaia, Davide; Miracoli, Rosalba; Musumarra, Agatino; Neri, Lorenzo; Torrisi, Giuseppe; Gammino, Santo", "title": "EXPERIMENTAL CHARACTERIZATION OF AN OVERDENSE PLASMA IN A COMPACT ION SOURCE", "date": "2015", "keywords": "cut; density; ebw; electron; field; frequency; ion; plasma; waves", "summary": "This mechanism is commonly called Electron Cyclotron Resonance (ECR), and it enables ECR plasmas to be generated and sustained. References [1] R. Geller, Electron Cyclotron Resonance Ion source and ECR plasmas: Inst.", "mime": "application/pdf"}, {"id": "ap-2272", "words": "7849", "extension": ".pdf", "flesch": "59", "author": "V\u00edtku, Jaroslav; Nahodil, Pavel", "title": "TOWARDS EVOLUTIONARY DESIGN OF COMPLEX SYSTEMS INSPIRED BY NATURE", "date": "2014", "keywords": "agent; architecture; design; learning; module; motivation; prosperity; reward; state; value", "summary": "Then, examples of agent architectures represented as hybrid networks are presented. Sim- ilarly to the neuro-evolutionary design of ANNs [14], the topology of agent architecture is optimized by modifying the connection weights between nodes.", "mime": "application/pdf"}, {"id": "ap-2274", "words": "3082", "extension": ".pdf", "flesch": "59", "author": "H\u00e1jkov\u00e1, Pavl\u00edna; Tich\u00fd, David; \u010cmel\u00edk, Ji\u0159\u00ed; Anto\u0161, Petr", "title": "IMMOBILISATION OF HUMIC SUBSTANCES USING PLASMA MODIFICATION", "date": "2015", "keywords": "cd2; dbd; fabric; hss; humic; plasma; solution; substances", "summary": "The column apparatus was filled with PP fabrics. The total area of PP fabrics was 62.8 cm2, and it was dripped by an aqueous solution of cadmium salts with a flow rate of 0.5ml/min.", "mime": "application/pdf"}, {"id": "ap-2275", "words": "4609", "extension": ".pdf", "flesch": "58", "author": "\u0160ulc, Radek; Pe\u0161ava, V\u00edt; Ditl, Pavel", "title": "LOCAL VELOCITY PROFILES MEASURED BY PIV IN AN VESSEL AGITATED BY RUSHTON TURBINE", "date": "2014", "keywords": "dimensionless; flow; hypothesis; impeller; mean; profile; velocity; vessel", "summary": "Dimensionless radial fluctuation velocity profile \u2013 effect of impeller speed; z\u2217 = 0.1474. Keywords: mixing, Rushton turbine, Particle Image Velocimetry, flow, velocity profile, mean velocity, fluctuation velocity.", "mime": "application/pdf"}, {"id": "ap-2277", "words": "6610", "extension": ".pdf", "flesch": "62", "author": "Maturkani\u010d, Du\u0161an", "title": "EFFECT OF THE FLOW FIELD DEFORMATION IN THE WIND TUNNEL ON THE AERODYNAMIC COEFFICIENTS", "date": "2015", "keywords": "flow field; flow speed; model; rotation; speed; speed component; speed profile; vortex flow; wind tunnel", "summary": "Asymmetry of the speed profile The specific speed V SYM indicates the size of the cor- responding difference between the local speeds and defined flow field speed in the wind tunnel. However, the same value of this specific speed could represent various kinds of flow field non-uniformities.", "mime": "application/pdf"}, {"id": "ap-228", "words": "3592", "extension": ".pdf", "flesch": "54", "author": "Safan, M.; Kohoutkov\u00e1, A.", "title": "Influence of Different Drying Conditions on High Strength Concrete Compressive Strength", "date": "2001", "keywords": "case; concrete; conditions; curing; days; fume; silica; strength; water", "summary": "In the current research, crushed dolomite was used in two high strength concrete mixes with 0.0 and 10 percent silica fume addition to evaluate the influence of five different drying conditions on high strength concrete compressive strength evaluated at 3, 7, 28 days. [1]. High strength concrete offers greater compressive strength per unit cost, weight, and volume associated with improved mechanical properties such as modulus of elasticity and ten- sile strength.", "mime": "application/pdf"}, {"id": "ap-2284", "words": "2814", "extension": ".pdf", "flesch": "54", "author": "Mikula, Jan; Pali\u010dka, Pavol; Kerekanic, Jan", "title": "SIMULATION ANALYSIS OF PREHEATER CHARGE TO THE ROTARY FURNACE", "date": "2015", "keywords": "furnace; magnesite; material; model; preheater; rotary; temperature", "summary": "Acceleration of simulation models for raw materials thermal treatment. The main advantages of using this type of preheater of rotary furnace are smaller dimensions for a large exchange surface and low pressure losses.", "mime": "application/pdf"}, {"id": "ap-2289", "words": "3220", "extension": ".pdf", "flesch": "69", "author": "Stuchl\u00edk, Zdenek; Urbanec, Martin; Kotrlov\u00e1, Andrea; T\u00f6r\u00f6k, Gabriel; Goluchov\u00e1, Katerina", "title": "RESONANT SWITCH MODEL OF HF QPOS AND EQUATIONS OF STATE OF NEUTRON STARS AND QUARK STARS", "date": "2014", "keywords": "frequency; model; neutron; resonant; star", "summary": "Neutron star models are constructed under the Hartle\u2013Thorne theory of slowly rotating neutron stars calculated using the observationally given rotational frequency frot = 580 Hz (or alternatively frot = 290 Hz) of the neutron star at 4U 1636\u2013 53. Acta Polytechnica doi:10.14311/AP.2014.54.0363 Acta Polytechnica 54(5):363\u2013366, 2014 \u00a9 Czech Technical University in Prague, 2014 available online at http://ojs.cvut.cz/ojs/index.php/ap RESONANT SWITCH MODEL OF HF QPOS AND EQUATIONS OF STATE OF NEUTRON STARS AND QUARK STARS Zden\u011bk Stuchl\u00edk\u2217, Martin Urbanec, Andrea Kotrlov\u00e1, Gabriel T\u00f6r\u00f6k, Kate\u0159ina Goluchov\u00e1 Institute of Physics, Faculty of Philosophy and Science, Silesian University in Opava, Bezru\u010dovo n\u00e1m. 13, CZ-74601 Opava, Czech Republic \u2217 corresponding author: zdenek.stuchlik@fpf.slu.cz Abstract.", "mime": "application/pdf"}, {"id": "ap-2290", "words": "2596", "extension": ".pdf", "flesch": "63", "author": "\u0160milauer, V\u00edt; Babchenko, Oleg; Potock\u00fd, \u0160tep\u00e1n; Kromka, Alexander", "title": "HYDRATION OF PLASMA-TREATED ALUMOSILICATE BINDERS", "date": "2014", "keywords": "ash; cement; cnts; figure; hydration; plasma; surface; treatment", "summary": "Plasma surface treatment is a well-established method for creating hydrophilic surfaces, which play an important role in hydraulic cementitious binders. However, the CNTs on the surface of the cement grains hinder the acceleration period of cement hydration, as is evident if we compare the original OPCH with its CHM counterpart in Figure 4.", "mime": "application/pdf"}, {"id": "ap-2291", "words": "3647", "extension": ".pdf", "flesch": "55", "author": "L\u00e1z\u00e1r, Mari\u00e1n; \u010carnogursk\u00e1, M\u00e1ria; Lengyelov\u00e1, Marta; Korba, J\u00e1n", "title": "HIGH-TEMPERATURE GASIFICATION OF RDF WASTE AND MELTING OF FLY ASH OBTAINED FROM THE INCINERATION OF MUNICIPAL WASTE", "date": "2015", "keywords": "ash; energy; fly; gasification; plasma; process; rdf; wastes", "summary": "Acta Polytechnica doi:10.14311/AP.2015.55.0001 Acta Polytechnica 55(1):1\u20136, 2015 \u00a9 Czech Technical University in Prague, 2015 available online at http://ojs.cvut.cz/ojs/index.php/ap HIGH-TEMPERATURE GASIFICATION OF RDF WASTES AND MELTING OF FLY ASH OBTAINED FROM THE INCINERATION OF MUNICIPAL WASTES Mari\u00e1n L\u00e1z\u00e1r, M\u00e1ria \u010carnogursk\u00e1\u2217, Marta Lengyelov\u00e1, J\u00e1n Korba Faculty of Mechanical Engineering, Technical University of Ko\u0161ice, Department of Power Engineering, Vysoko\u0161kolsk\u00e1 4, 042 00 3. Raw materials used for gasification and the properties of the gas For the purposes of the experimental tests on plasma processing of RDF wastes, we used a sample that was obtained by separating the combustible components of municipal wastes (Fig. 2).", "mime": "application/pdf"}, {"id": "ap-2292", "words": "4736", "extension": ".pdf", "flesch": "57", "author": "Trudonoshyn, Oleksandr; Puchnin, Maxim; Mykhalenkov, Kostiantyn", "title": "FEATURES OF STRUCTURE FORMATION AND CHANGES IN THE MECHANICAL PROPERTIES OF CAST Al-Mg-Si-Mn ALLOY WITH THE ADDITION OF (Ti+Zr)", "date": "2015", "keywords": "alloys; casting; eutectic; fig; mg2si; properties; treatment", "summary": "The popularity and the successful implementation into foundry practice of Al-Mg-Si-Mn alloys is based on its advantages in comparison with Al-Si-Mg alloys, such as: \u2022 these alloys have one of the highest eutectic melting points (597 \u00b0C) among all commercial Al casting alloys; eutectic alloys are the most suitable alloys for casting. As has been pointed out in [1, 2], there is a call for new alloys suitable for these processes; \u2022 improved degassing and refining techniques for alu- minium alloys; \u2022 developing new alloys.", "mime": "application/pdf"}, {"id": "ap-2293", "words": "2986", "extension": ".pdf", "flesch": "55", "author": "Brestovi\u010d, Tom\u00e1\u0161; \u010carnogursk\u00e1, M\u00e1ria; P\u0159\u00edhoda, Miroslav; Kub\u00edk, Michal", "title": "SIMULATION OF HEAT TRANSPORT AT THE COOLING OF THE SUGAR SOLUTION IN A RECUPERATION EXCHANGER", "date": "2015", "keywords": "cooling; heat; performance; stum; temperature", "summary": "(11) where \u03b1str is the average value of the transfer coeffi- cient at the surrounding temperature of 8 \u00b0C and in the interval of the tank surface temperatures of 0 to 22 \u00b0C (Wm\u22122 K\u22121); S is the external heat exchanging surface of the tank (m2); tok is the environment tem- perature (\u00b0C); t \u2013 stum temperature in time \u03c4 (\u00b0C); n \u2013 number of cooling panels (1); Pch \u2013 device cooling performance (W); m \u2013 cooled material weight (kg); 143 T. Brestovi\u010d, M. \u010carnogursk\u00e1, M. P\u0159ihoda, M. Kub\u00edk Acta Polytechnica Figure 7. Course of the stum temperature, depending on time. Conclusion The methodology for determining cooling parameters using a combination of a numeric and an analytical calculation enables us to describe the dynamic be- haviour of the cooling system precisely.", "mime": "application/pdf"}, {"id": "ap-2294", "words": "4479", "extension": ".pdf", "flesch": "59", "author": "Prach, Olena; Horn\u00edk, Jakub; Mykhalenkov, Kostiantyn", "title": "EFFECT OF THE ADDITION OF LI ON THE STRUCTURE AND MECHANICAL PROPERTIES OF HYPOEUTECTIC Al-Mg2Si ALLOYS", "date": "2015", "keywords": "addition; alloys; effect; eutectic; mg2si; properties; temperature", "summary": "Alloys with various contents of Li were studied by means of differential scanning calorimetry (DSC), transmission electron microscopy (TEM) and energy dispersive X-Ray microanalysis (EDX). [6], it is clear that the addition of Li to Al-Cu or Al-Mg alloys can substantially enhance the mechanical properties, while at the same time decreasing the density.", "mime": "application/pdf"}, {"id": "ap-2297", "words": "3218", "extension": ".pdf", "flesch": "64", "author": "Stod\u016flka, Ji\u0159\u00ed; \u0160afa\u0159\u00edk, Pavel", "title": "ANALYSIS OF TRANSONIC FLOW PAST CUSPED AIRFOILS", "date": "2015", "keywords": "angle; edge; flow; shock; trailing", "summary": "Reduced parameter analysis of supersonic flow past trailing edge For a deeper investigation of this problem, the model of nonsymmetrical supersonic flow past a trailing edge [7] is proposed (Fig. The application of equations (17) and (18) to Case I of the cusped airfoil proved a regular interaction of supersonic flows on the sharp trailing edge.", "mime": "application/pdf"}, {"id": "ap-230", "words": "2720", "extension": ".pdf", "flesch": "56", "author": "Haghi, A. K.", "title": "Investigation into Airborne Dust ina Wool Textile Mill", "date": "2001", "keywords": "dust; filter; particles; sampling; size; wool", "summary": "Microscope magnification is a critical parameter which enables the detection of dust particles and distinguishes them from filter surface features. The aim of this work is to deepen the understanding of the factors relevant to this problem by conducting a survey of the nature of airborne wool dust in an industrial environment.", "mime": "application/pdf"}, {"id": "ap-2307", "words": "2978", "extension": ".pdf", "flesch": "54", "author": "Mego, Michal; Kocifaj, Miroslav; Kundracik, Franti\u0161ek", "title": "A SYSTEM AND A DEVICE FOR ISOLATING CIRCULATING TUMOR CELLS FROM THE PERIPHERAL BLOOD IN VIVO", "date": "2015", "keywords": "blood; cells; ctcs; magnetic; nanoparticles; system; tumor; wire", "summary": "Magnetic nanoparticles The system with magnetic nanoparticles covered by monoclonal antibodies against a common epithelial antigen (EpCAM) is used to isolate circulating tumor cells from the peripheral blood. The proposed system consists of magnetic nanoparticles covered by monoclonal antibodies against a common epithelial antigen, large supermagnets, which are used to control the position of the nanoparticles within the human body, and a special wire made of a magnetic core wrapped in a non-magnetic shell.", "mime": "application/pdf"}, {"id": "ap-232", "words": "8983", "extension": ".pdf", "flesch": "55", "author": "Ismail, Ashraf Fouad Hafez", "title": "Evolved Representation and Computational Creativity", "date": "2001", "keywords": "design; example; focus; genes; genotype; process; representation; search; search space; space", "summary": "Keywords: computational creativity, evolved representation, design processes, evolutionary algorithms, search space. A simple hill climbing inside the focus-area, on the other hand, would be entirely convergent, the value for \u2018explora- 44 \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ Acta Polytechnica Vol. 41 No. 3/2001 Exploration (E) Transformation (T) creative zone non-creative zone transition zone mundane (m) mundane (m) novel (n) novel (n) original (o) original (o) Fig. 8: Framework to classify design processes in terms of exploration and transformation (from [14]) tion\u2019 would therefore be \u2018mundane\u2019.", "mime": "application/pdf"}, {"id": "ap-2321", "words": "3035", "extension": ".pdf", "flesch": "67", "author": "\u0160afar\u00edk, Pavel; Nov\u00fd, Adam; J\u00edcha, David; Haj\u0161man, Miroslav", "title": "ON THE SPEED OF SOUND IN STEAM", "date": "2015", "keywords": "iapws; sound; speed; steam; wet", "summary": "The results for wet steam are very close (lower than 2% difference) to the values for the speed of sound in wet steam, derived according to (1), see Fig. 3, where a detail of the h\u2013s (enthalpy\u2013 entropy) diagram for water and steam is depicted. From the thermodynamic point of view, wet steam in the equilibrium state is therefore considered to be a continuum, which contains both phases of water (sat- urated water liquid and saturated steam) according to the dryness value.", "mime": "application/pdf"}, {"id": "ap-2326", "words": "3454", "extension": ".pdf", "flesch": "62", "author": "Durcansky, Peter", "title": "COMPARISON OF MATHEMATICAL MODELS FOR HEAT EXCHANGERS OF UNCONVENTIONAL CHP UNITS", "date": "2015", "keywords": "air; engine; exchanger; flow; heat; heat exchanger; model; temperature; transfer", "summary": "Keywords: heat exchanger; CFD simulation; hot air engine. The most fre- quently investigated feature of heat exchangers is the heat exchange surface, from which all the other pa- rameters of the exchanger are derived.", "mime": "application/pdf"}, {"id": "ap-2328", "words": "2325", "extension": ".pdf", "flesch": "58", "author": "Sovj\u00e1k, Radoslav", "title": "AN EXPERIMENTAL INVESTIGATION INTO MOISTURE-INDUCED EXPANSION OF PLASTERS", "date": "2015", "keywords": "expansion; laser; moisture; plaster; samples; study; year", "summary": "The coefficient of moisture expansion for individual plasters is presented in Fig. An approximation and smoothing of the mea- sured moisture-induced strains for individual plasters (Fig. 7) was described, as follows, as a function of moisture content: \u03b5(w) = a w + w0 \u2212 a w0 , (1) where \u03b5 is the moisture-induced strain, w is the mois- ture content by volume and a and w0 are fitting con- stants.", "mime": "application/pdf"}, {"id": "ap-2339", "words": "7294", "extension": ".pdf", "flesch": "54", "author": "Dlask, Petr", "title": "SIMULATION MODEL BASED ON REGIONAL DEVELOPMENT AND VIRTUAL CHANGES", "date": "2015", "keywords": "changes; data; development; economic; example; figure; knowledge; management; matrix; model; new; simulation; table; time", "summary": "According to Schumpeter [40], innovation is in essence an instigator of economic change. Interaction matrix A of regional development model, Segment I. - Capital, Segment II. - Housing, Jobs, Segment III. \u2013 Population and vector Xt=0 of starting conditions.", "mime": "application/pdf"}, {"id": "ap-234", "words": "5926", "extension": ".pdf", "flesch": "60", "author": "Bokr, J.; J\u00e1ne\u0161, V.", "title": "A Logic Object and its State", "date": "2001", "keywords": "j \ufffd; q \ufffd; s \ufffd; u \ufffd; y \ufffd; z \ufffd; \ufffd k; \ufffd r; \ufffd x; \ufffd \ufffd", "summary": "Since i) \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd\ufffd \ufffdproj K s x K s proj K s e K s3 3 r\ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd, , , , \ufffd \ufffd1 1 \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd\ufffd \ufffd\ufffd proj K s x K s K s3 r\ufffd \ufffd \ufffd \ufffd \ufffd, , , 1 , spec. S X S : s x s\ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd 1 1, \ufffd , for \ufffd 0 ii) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdS X Z S : s x z s\ufffd \ufffd 1 1, , \ufffd for \ufffd 1.", "mime": "application/pdf"}, {"id": "ap-236", "words": "4516", "extension": ".pdf", "flesch": "55", "author": "Elsayed, Ashraf El-Shahat; Gr\u00fcnwald, A.; Syn\u00e1\u010dkov\u00e1, M.; Slav\u00ed\u010dek, M.", "title": "Modelling of Highway Runoff Quantity and Quality", "date": "2001", "keywords": "data; flow; highway; model; quality; rainfall; runoff; stormwater; swmm", "summary": "Due to the shortage of measured data and the necessity to study some important concepts such as runoff peak flow, pol- lutant accumulation and first flush phenomena, simulated data were used for studying these concepts. Keywords: Stormwater Management Model, highway runoff, quantity, quality, first flush.", "mime": "application/pdf"}, {"id": "ap-238", "words": "3499", "extension": ".pdf", "flesch": "53", "author": "Kaiser, J.; Ko\u0161\u0165\u00e1l, E.", "title": "Colorimetry and TV Colour Splitting Systems", "date": "2001", "keywords": "b \ufffd; functions \ufffd; system; z \ufffd; \ufffd g; \ufffd r; \ufffd x; \ufffd y; \ufffd \ufffd", "summary": "The ideal spectral reflectances of the partial filters of the XYZ prism are \ufffd \ufffd \ufffd \ufffdAy \ufffd \ufffd\ufffd \ufffdy (4) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffdBx \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffdx y1 (5) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffdCz \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffdz y x1 . \ufffd \ufffd \ufffd \ufffd\ufffd \ufffdy \ufffd \ufffdAy (1) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd\ufffd \ufffd \ufffdx \ufffd \ufffd \ufffdBx Ay1 (2) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd\ufffd \ufffd \ufffd \ufffdz \ufffd \ufffd \ufffd \ufffdCz Ay Bx1 1 (3)", "mime": "application/pdf"}, {"id": "ap-240", "words": "5819", "extension": ".pdf", "flesch": "55", "author": "Safan, M.; Kohoutkov\u00e1, A.", "title": "Experiments with Externally Prestressed Continuous Composite Girders", "date": "2001", "keywords": "beam; composite; concrete; cracking; load; loading; prestressing; slab; steel; support; tendon", "summary": "3 Research significance The literature addressing prestressing of composite beams showed that more attention has been devoted to the study of internally prestressed continuous beams, while those prestressed by external continuous tendons have received less attention, specially as regards experimental testing. Cracking extension and cracking width at different loading stages [8] Amadio, C., Fragiacomo, M.: A finite element method for the study of creep and shrinkage effects in composite beams with deformable shear connection.", "mime": "application/pdf"}, {"id": "ap-242", "words": "3067", "extension": ".pdf", "flesch": "43", "author": "Munro, C.; Krus, P.", "title": "Rapid Prediction of Configuration Aerodynamics in the ConceptualDesign Phase", "date": "2001", "keywords": "aerodynamic; cost; design; fig; flight; testing; tunnel; water", "summary": "Advances in flight control certainly allow for a wide variation in vehicle design that would not otherwise be possible. 2: Influence of design stage on costs and the ability to in- fluence the design Fig. 3: Conceptual design process with physical and virtual modelling elements external configuration) a few may be selected on the basis of initial empirical analysis to proceed to more detailed model- ling and experimental investigation.", "mime": "application/pdf"}, {"id": "ap-244", "words": "3841", "extension": ".pdf", "flesch": "53", "author": "Holick\u00fd, M.", "title": "Prospects for Advanced Engineering Design Based on Risk Assessment", "date": "2001", "keywords": "cost; failure; fire; node; probability; structural; \ufffd \ufffd", "summary": "If the failure of structure F due to a particular situation Hi occurs with the conditional probability P(F|Hi), then the total probability of failure pF is given as: \ufffd \ufffd \ufffd \ufffdp F H HF The total expected cost Ctot can then be given by a simplified equation (3) as a sum \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdC C C C p Ctot f\ufffd \ufffd \ufffd \ufffd 14 15 16 1713 8 10 11 11 12 12, , , (6) where, as described above, C14(13) is the cost depending on the state of node 13, C15(8, 10, 11) is the damage cost depend- ing on the states of nodes 8, 10 and 11, and C16(11, 12) is the cost due to flashover depending on the state of nodes 11 and 12.", "mime": "application/pdf"}, {"id": "ap-2445", "words": "3588", "extension": ".pdf", "flesch": "60", "author": "\u0160olt\u00e9s, Martin; \u010cervenka, Milan", "title": "ELECTRODYNAMIC LOUDSPEAKER-DRIVEN ACOUSTIC COMPRESSOR", "date": "2015", "keywords": "air; amplitude; delivery; figure; flow; pressure; resonator; valve", "summary": "Acoustic pressure amplitudes that they obtained were more than an order of magnitude larger than it had been possible before. Keywords: acoustic compressor, acoustic resonator, high amplitude acoustic field.", "mime": "application/pdf"}, {"id": "ap-2449", "words": "3849", "extension": ".pdf", "flesch": "63", "author": "Attia, Abdel-Fattah A.", "title": "INTELLIGENT CONTROLLER FOR TRACKING A 14-INCH CELESTRON TELESCOPE", "date": "2018", "keywords": "controllers; dec; figure; flc; particle; pid; pso; telescope", "summary": "\u201cModified PSO for optimal tuning of fuzzy PID controller.\u201d [7] Abdo MM, Vali AR, Toloei AR, Arvan MR. Stabilization loop of a two axes gimbal system using self-tuning PID type fuzzy controller.", "mime": "application/pdf"}, {"id": "ap-2459", "words": "3781", "extension": ".pdf", "flesch": "72", "author": "Krac\u00edk, Petr; Posp\u00ed\u0161il, Ji\u0159\u00ed", "title": "EFFECT OF TUBE PITCH ON HEAR TRANSFER IN SPRINKLED TUBE BUNDLE", "date": "2015", "keywords": "coefficient; film; flow; heat; heat transfer; liquid; transfer; tube", "summary": "7.2. litres per minute, was 40 \u00b0C, or alternatively 45 \u00b0C. Keywords: sprinkled; tube bundle; heat transfer; tube pitch. they are for instance tube diameters (tested [6] for example), tube pitches in a bundle (tested [7] for example) or a physical condition of a falling film liquid and heat transfer (tested [8\u201310] for example).", "mime": "application/pdf"}, {"id": "ap-246", "words": "4727", "extension": ".pdf", "flesch": "53", "author": "Alfaro-Cid, E.; McGookin, E. W.; Murray-Smith, D. J.", "title": "Genetic Algorithm Optimisation of a Ship Navigation System", "date": "2001", "keywords": "controller; cost; heading; input \ufffd; optimisation; propulsion; \ufffd \ufffd", "summary": "They have three basic modes of operation: propor- tional action, in which the actuation signal is proportional to the error signal, integral action, when the actuation signal is proportional to the time integral of the error signal, and derivative action, where the actuation signal is proportional to the time derivative of the error signal, and their transfer function is given by: \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdD s K K s K s E sI D \ufffd \ufffd . \ufffd \ufffd \ufffd \ufffd1 0001 10 2 2c d", "mime": "application/pdf"}, {"id": "ap-2460", "words": "2148", "extension": ".pdf", "flesch": "63", "author": "Zem\u010d\u00edk, Oskar; Sedl\u00e1k, Josef; Chladil, Josef", "title": "CHANGES IN THE SURFACE LAYER OF ROLLED BEARING STEEL", "date": "2015", "keywords": "bearing; burnishing; element; layer; roller; stress; surface", "summary": "Various types of roller bearings are made, ranging from the most common ball bearings through tapered, cylindrical, and barrel bearings to special types for specific purposes. Steel for roller bearings 14109.4, 10000\u00d7, roller-burnished by a working force of 2500N: (left) a replica at a depth of 0.2mm below the roller-burnished surface; (right) a replica 0.01mm below the roller-burnished surface.", "mime": "application/pdf"}, {"id": "ap-2461", "words": "2590", "extension": ".pdf", "flesch": "62", "author": "J\u00edlkov\u00e1, Lenka; Ciahotn\u00fd, Karel; Kus\u00fd, Jaroslav", "title": "PYROLYSIS OF BROWN COAL USING A CATALYST BASED ON W\u2013Ni", "date": "2015", "keywords": "alumina; brown; catalyst; coal; content; pyrolysis", "summary": "4: Content of phenol, 4-methylphenol and 2,4-dimethylphenol in organic parts of pyrolysis condensates 0 1 2 3 4 5 6 7 8 pyrolysis of brown coal pyrolysis of brown coal + alum.pyrolysis of brown coal + alum. + cat. However, it is problematic to refine the liquids from brown coal pyrolysis, because high molecular compounds are produced, and the sample solidifies.", "mime": "application/pdf"}, {"id": "ap-2463", "words": "3978", "extension": ".pdf", "flesch": "62", "author": "Havl\u00edk, Jan; Dlouh\u00fd, Tom\u00e1\u0161", "title": "CONDENSATION OF WATER VAPOR IN A VERTICAL TUBE CONDENSER", "date": "2015", "keywords": "condensation; condensation htc; film; flow; htc; method; shell; tube", "summary": "Keywords: condensation; vertical tube condenser; heat transfer coefficient. The Nusselt condensation model, which is often recommended for calculating the con- densing side HTC, is derived for conditions which need not be satisfied in real operation", "mime": "application/pdf"}, {"id": "ap-248", "words": "5099", "extension": ".pdf", "flesch": "56", "author": "Pohl, J.; Warell, A.; Krus, P.; Palmberg, J.-O.", "title": "Conceptual Design of a Hydraulic Valve Train System", "date": "2001", "keywords": "concept; design; engine; function; oil; pressure; simulation; solenoid; system; train; valve", "summary": "12: Opening of check-valve, main stage and solenoid valves and corresponding oil flows for the FluMeS-system 10.0 8.0 6.0 4.0 2.0 0.0 -2.0 15.0 10.0 5.0 0.0 2.00 10\u00d7 -2 1.50 10\u00d7 -2 1.00 10\u00d7 -2 5.00\u00d710 -3 0.00 Time [s] V a lv e o p e n in g [m m ] In p u ts ig n a l [V ] Inputsignal Fig. 13: Simulated (dashed) and given valve opening for Fords- -system as well as input signals to the solenoid valves for an engine speed of 6000 rpm Check valve 1.20 1.00 0.80 0.60 0.40 0.20 0.00 10.0 8.0 6.0 4.0 2.0 0.0 2.00\u00d710 -2 1.50 10\u00d7 -2 1.00 10\u00d7 -2 5.00 10\u00d7 -3 0.00 Time [ms] C h e c k -. The advantage with this type of valve train system is that the hydraulic piston remains due to the check-valve in the ex- tend position irrespective of the solenoid valves state.", "mime": "application/pdf"}, {"id": "ap-2493", "words": "4319", "extension": ".pdf", "flesch": "55", "author": "Sedlak, Josef; Zem\u010d\u00edk, Oskar; Slan\u00fd, Martin; Chladil, Josef; Kou\u0159il, Karel; Sekerka, V\u00edt; Rozko\u0161n\u00fd, Lubo\u0161", "title": "PRODUCTION OF PROTOTYPE PARTS USING DIRECT METAL LASER SINTERING TECHNOLOGY", "date": "2015", "keywords": "additive; dmls; forming; metal; method; parts; price; production; prototype; technology", "summary": "Discussion Nowadays prototype production is realized with the help of programmable power and hydraulic brakes or with the help of a 3D laser technology that pro- vides a high accuracy, minimal heat deformation and high-speed machining of metal parts. The setting of the price of prototype parts according to data volumes of individual models in STL format is a part of the company know-how.", "mime": "application/pdf"}, {"id": "ap-2495", "words": "4813", "extension": ".pdf", "flesch": "57", "author": "Sko\u010dilas, Jan; Palaziuk, Ievgen", "title": "CFD SIMULATION OF THE HEAT TRANSFER PROCESS IN A CHEVRON PLATE HEAT EXCHANGER USING THE SST TURBULENCE MODEL", "date": "2015", "keywords": "coefficient; drop; exchanger; flow; heat; heat transfer; model; plate; pressure; results; simulation; transfer", "summary": "Keywords: CFD; simulation; ANSYS CFX; ANSYS CFD-Post; heat transfer; plate heat exchanger; chevron corrugated plates; pressure drop; heat transfer coefficient. A simulation allows us to clearly demonstrate that the phenomenon of non-uniform distribution of the fluid is a major factor affecting the performance of plate heat exchangers, which can be weakened by rolling guide area in the corrugated board", "mime": "application/pdf"}, {"id": "ap-250", "words": "2397", "extension": ".pdf", "flesch": "49", "author": "Kolman, D.", "title": "Analysis of a Thermal Plasma Diamond CVD System", "date": "2001", "keywords": "jet; plasma; system; temperature; torch; velocity", "summary": "3: Contours of the axial velocity and enthalpy for a laminar, Prandtl and k-\ufffd turbulent plasma jet 3 Turbulent flow modeling Modeling of the turbulence was approached in two ways: (1) Using Prandtl\u2019s free shear layer model for eddy viscosity The focus of this paper is on the second stage \u2013 the interaction of the plasma flow (plasma jet) with the surround- ing atmosphere and with the substrate located downstream.", "mime": "application/pdf"}, {"id": "ap-252", "words": "2704", "extension": ".pdf", "flesch": "58", "author": "Chlupov\u00e1, A.; Heger, J.; Va\u0161ek, A.", "title": "Fatigue Crack Initiation and Early Growth in GLARE 3 Fiber-metal Laminate Subjected to Mixed Tensile and Bending Loading", "date": "2001", "keywords": "crack; fatigue; layer; metal; stress", "summary": "The number of cycles necessary for fatigue crack initiation in metal layers of the laminate was determined by the local plastic strain at the notch edge in the individual layers. Relation (2) holds for v in \ufffdm and \ufffdlayer in MPa and can also be used for predicting the crack growth rate and/or residual life in all metal layers of the laminate when \ufffdlayer is known.", "mime": "application/pdf"}, {"id": "ap-2536", "words": "3534", "extension": ".pdf", "flesch": "64", "author": "H\u00e1dkov\u00e1, Krist\u00fdna; Tek\u00e1\u010d, Viktor; Ciahotn\u00fd, Karel; Be\u0148o, Zden\u011bk; Vrbov\u00e1, Veronika", "title": "TREATMENT OF NATURAL GAS BY ADSORPTION OF CO2", "date": "2015", "keywords": "carbon; co2; desorption; gas; pressure; sieve", "summary": "Apart from burning, one of the possible uses of natural gas is as a fuel for motor vehicles. There are two types of fuel from natural gas \u2014 CNG (Compressed Natural Gas) or LNG (Liquefied Natural Gas).", "mime": "application/pdf"}, {"id": "ap-254", "words": "6090", "extension": ".pdf", "flesch": "58", "author": "Macek, J.; Tak\u00e1ts, M.", "title": "Involvement of Thermodynamic Cycle Analysis in a Concurrent Approach to Reciprocating Engine Design", "date": "2001", "keywords": "d d; engine; j j; j \ufffd; k \ufffd; model; s \ufffd; t j; t t; \ufffd d; \ufffd \ufffd", "summary": "The chemical transformation of species yields for concen- tration changes, using the stoichiometric transformation ma- trix together with Guldberg-Waage-Arrhenius laws (5) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdV c t C m t C V c t d d d d d d s chem s*r r s*r r\ufffd \ufffd \ufffd \ufffd , (4) \ufffd \ufffdd d er r b E R T X x Y y Z zc t K T c c c\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd . Thus in the case of Cartesian coordinates (\ufffd stands for friction losses at walls, and in this case another closure equation is needed for them, e.g., Stokes\u2019s and Reynolds\u2019s hypotheses, and a turbulence model): \ufffd \ufffd\ufffdm w t V w w p A j j j", "mime": "application/pdf"}, {"id": "ap-2550", "words": "2712", "extension": ".pdf", "flesch": "58", "author": "Miskova, L.; Nov\u00e1k, P.; Hudec, R.; Novotn\u00e1, M.", "title": "ASTRONOMICAL GLASS PLATE NEGATIVES: MONITORING OF EMULSION LAYER DETERIORATION", "date": "2016", "keywords": "emulsion; emulsion layer; glass; golden; layer; negatives; plate; spot", "summary": "The main period when glass plate negatives were used in astronomy was between 1890\u20131980. 5. Conclusions We examined a set of glass plate negatives using chemico-analytical tools such as FTIR spectroscopy and SEM/EDS.", "mime": "application/pdf"}, {"id": "ap-2551", "words": "3653", "extension": ".pdf", "flesch": "56", "author": "Skopec, Pavel; Hrdli\u010dka, Jan; Opat\u0159il, Jan; \u0160tefanica, Ji\u0159\u00ed", "title": "NOx EMISSIONS FROM BUBBLING FLUIDIZED BED COMBUSTION OF LIGNITE COAL", "date": "2015", "keywords": "air; bed; effect; emissions; nitrogen; nox; oxygen", "summary": "Although GYC has a lower nitrogen content than CBC, it is more reactive and produces higher NOx emissions. As the fluidization velocity increases and the amount of secondary air decreases, there is an increase in NOx emissions.", "mime": "application/pdf"}, {"id": "ap-256", "words": "3345", "extension": ".pdf", "flesch": "39", "author": "Murray-Smith, D. J.", "title": "The Validation of Computer-based Models in Engineering: Some Lessons from Computing Science", "date": "2001", "keywords": "computer; development; model; simulation; software; system; testing; validation", "summary": "Acta Polytechnica Vol. 41 No. 4\u20135/2001 45 The Validation of Computer-based Models in Engineering: Some Lessons from Computing Science D. J. Murray-Smith Questions of the quality of computer-based models and the formal processes of model testing, involving internal verification and external validation, are usually given only passing attention in engineering reports and in technical publications. For example version control techniques are routinely used in software development but are seldom applied in a rigorous fashion for simulation model development, maintaining the model throughout its life cycle", "mime": "application/pdf"}, {"id": "ap-2575", "words": "4801", "extension": ".pdf", "flesch": "60", "author": "Beniak, Juraj; Kri\u017ean, Peter; Mat\u00fa\u0161, Milo\u0161", "title": "A COMPARISON OF THE TENSILE STRENGTH OF PLASTIC PARTS PRODUCED BY A FUSED DEPOSITION MODELING DEVICE", "date": "2015", "keywords": "degrees; direction; fibers; fig; layers; orientation; strength; tensile", "summary": "This again points to the brittleness of the model produced from ABS plastic material using FDM technology. There are measurements where tensile strength values are reached that similar to the average values presented in Table 3.", "mime": "application/pdf"}, {"id": "ap-2578", "words": "5499", "extension": ".pdf", "flesch": "57", "author": "Hanakova, Lenka; Socha, Vladimir; Schlenker, Jakub; Cakrt, Ondrej; Kutilek, Patrik", "title": "ASSESSMENT OF POSTURAL INSTABILITY IN PATIENTS WITH A NEUROLOGICAL DISORDER USING A TRI-AXIAL ACCELEROMETER", "date": "2015", "keywords": "accelerations; confidence; data; ellipsoid; fos; patients; pts; standing; subjects; trunk", "summary": "This method is used for diagnosing cerebellar disease manifested by tremors or by swaying, since it is primarily designed for use in neurology to dis- cover relationships between neurological disorders and postural trunk movements in 3-D space. Although tri-axial IMUs have been used 229 http://dx.doi.org/10.14311/AP.2015.55.0229 http://ojs.cvut.cz/ojs/index.php/ap L. Hanakova, V. Socha, J. Schlenker et al. Acta Polytechnica for quantifying postural instability in clinical practice, the methods for evaluating the measured data usu- ally use only two variables out of the three measured variables.", "mime": "application/pdf"}, {"id": "ap-258", "words": "3874", "extension": ".pdf", "flesch": "66", "author": "Vyhl\u00eddal, T.; Z\u00edtek, P.", "title": "Control System Design Based on a Universal First Order Model with Time Delays", "date": "2001", "keywords": "control; model; parameters; system; time; \ufffd \ufffd", "summary": "u u (8) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdT u u u u \ufffd \ufffdsin tan cos\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd . The ratio between the real and imaginary part of a complex pole is known as relative damp- ing \ufffd \ufffd \ufffd\ufffd .", "mime": "application/pdf"}, {"id": "ap-2594", "words": "4172", "extension": ".pdf", "flesch": "56", "author": "Kri\u017ean, Peter; Mat\u00fa\u0161, Milo\u0161; Beniak, Juraj", "title": "RELATIONSHIP BETWEEN COMPACTING PRESSURE AND CONDITIONS IN PRESSING CHAMBER DURING BIOMASS PRESSING", "date": "2016", "keywords": "axis; briquette; chamber; length; pressing; pressure", "summary": "Cross-view of experimental pressing stend (1\u2014pressing chamber; 2\u2014pressing chamber flange; 3\u2014start-up chamber; 4\u2014counter pressure plug; 5\u2014 pressing piston; 6\u2014pressed material). Dependence of axial pressure Pa on length of pressing chamber Lp and friction coefficient \u00b5 (at constant pressing chamber diameter dp = 20mm)", "mime": "application/pdf"}, {"id": "ap-2595", "words": "3826", "extension": ".pdf", "flesch": "58", "author": "Mat\u00fa\u0161, Milo\u0161; Kri\u017ean, Peter; Beniak, Juraj; \u0160oo\u0161, \u013dubom\u00edr", "title": "EFFECTS OF INITIAL MOISTURE CONTENT ON THE PRODUCTION AND QUALITY PROPERTIES OF SOLID BIOFUEL", "date": "2015", "keywords": "biomass; briquettes; content; days; density; material; moisture; moisture content; quality", "summary": "It also shows the percentage of the change in moisture content of the briquettes after five days with initial moisture content of spruce sawdust calculated on the basis of the initial moisture. The final moisture content of the pellets or bri- quettes from biomass is greatly dependent on process conditions such as initial moisture content, tempera- ture, and pressure.", "mime": "application/pdf"}, {"id": "ap-260", "words": "2315", "extension": ".pdf", "flesch": "69", "author": "Vacek, J.", "title": "Stress Distribution in a Coal Seam before and after Bump Initiation", "date": "2001", "keywords": "bump; fig; force; tum", "summary": "We observed the mechanism and the history of coal bumps. 5 Conclusion A combination of experimental and mathematical models appears very appropriate for a study of the stress distribu- tion in a coal seam before and after bump initiation.", "mime": "application/pdf"}, {"id": "ap-262", "words": "3886", "extension": ".pdf", "flesch": "58", "author": "Menzies, R.", "title": "Computational Investigation of Flows in Diffusing S-shaped Intakes", "date": "2001", "keywords": "bend; engine; flow; intake; mass; mass flow; model; pressure", "summary": "A feature of s-duct intake flow is the genera- tion of secondary flow off the first bend as described in the introduction. One of the main problems of turbulence closures in intake flows is the transition of the freestream from laminar to turbulent over the intake cowl region.", "mime": "application/pdf"}, {"id": "ap-264", "words": "4018", "extension": ".pdf", "flesch": "47", "author": "Strohmayer, A.", "title": "Improving Aircraft Design Robustness with Scenario Methods", "date": "2001", "keywords": "aircraft; design; evaluation; factor; future; market; methods; process; requirements; scenario", "summary": "Keywords: aircraft design, scenario methods, requirements, design evaluation, technology strategy. As shown in Figure 2, there are essentially three fundamental aspects of scenario implementation in aircraft design: definition of market requirements, design evaluation, and identification of the level of technology to implement in the new design.", "mime": "application/pdf"}, {"id": "ap-266", "words": "4044", "extension": ".pdf", "flesch": "48", "author": "Markov\u00e1, J.; Holick\u00fd, M.", "title": "Credibility of Design Procedures", "date": "2001", "keywords": "crack; credibility; design; limit; reliability; width; \ufffd \ufffd", "summary": "The following relationship between the average crack width wm and the characteristic crack width wk can be considered \ufffd \ufffdw w u vk m p\ufffd \ufffd1 , (10) where v is a coefficient of variation expressing up to 40 % variability of crack width and up is an upper fractile of the standardised normal variable for probability p based on the assumption of normal distribution of crack widths. 3 Reliability In accordance with traditional reliability theory, a struc- ture can be considered as reliable if the following condition is satisfied P Pf t\ufffd , or \ufffd \ufffd\ufffd t (4) where the probability of failure Pf is given as \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd P P", "mime": "application/pdf"}, {"id": "ap-268", "words": "2653", "extension": ".pdf", "flesch": "69", "author": "Friedl, J.", "title": "Aerodynamic Design of a Tailless Aeroplan", "date": "2001", "keywords": "deg; fig; lift; wing", "summary": "\ufffdw \ufffd0 CL\ufffd \ufffdCL\ufffd 16: Local CL along span, unsymmetrical cases \ufffd0 CM0as CL\ufffd CM\ufffd", "mime": "application/pdf"}, {"id": "ap-270", "words": "4722", "extension": ".pdf", "flesch": "57", "author": "Vukazich, S.; Marek, P.", "title": "Structural Design Using Simulation Based Reliability Assessment", "date": "2001", "keywords": "fig; load; probability; reliability; structure; tank; variable; \ufffd \ufffd", "summary": "In this manner, the deformation of the tank can be expressed as: \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdu x t x Z t, \ufffd \ufffd . 11 and the fundamental period, T, of the elevated tank structure: \ufffd \ufffd \ufffd \ufffdS L L m S m Sab a a\ufffd \ufffd \ufffd\u00fc max * *\ufffd \ufffd \ufffd .", "mime": "application/pdf"}, {"id": "ap-272", "words": "4431", "extension": ".pdf", "flesch": "44", "author": "Schieck, F.; Schmitt, D.", "title": "Cargo Aircraft Conceptual Design Optimisation Using a Flexible Computer-Based Scaling Approach", "date": "2001", "keywords": "aircraft; design; mass; mission; model; performance; process; requirements; scaling; table; wing", "summary": "Keywords: aircraft conceptual design, aircraft scaling, mass growth factor, aircraft multidisciplinary design optimisation. Relying on this data, important trade-off decision-making processes during aircraft conceptual design are enabled and backed up with extended knowledge about the evolving aircraft.", "mime": "application/pdf"}, {"id": "ap-274", "words": "1677", "extension": ".pdf", "flesch": "56", "author": "Rieger, F.", "title": "Power Characteristics of a Screw Agitator in a Tube", "date": "2001", "keywords": "characteristics; fig; power", "summary": "Substracting equations above we obtain the following equation for \ufffd \ufffd \ufffd \ufffda P P e e\ufffd \ufffd \ufffdmax * min * max * min * (9) Coefficient c can be expressed from (8) c P ae\ufffd \ufffdmax * max * (10) 3 Results and discussion The procedure proposed above was applied for a screw ag- itator with the following parameters: pitch s = 2D, root diameter d = 0.2 D and length L = 1.4 D \u2013 see Fig. In the creeping flow regime Eq.(1) reduces to \ufffd \ufffdP P e* * *\ufffd (5) and the dimensionless power characteristic is linear P c ae* *\ufffd \ufffd (6)", "mime": "application/pdf"}, {"id": "ap-276", "words": "4212", "extension": ".pdf", "flesch": "62", "author": "Fo\u0159t, I.; Jirout, T.; Rieger, F.; Allner, R.; Sperling, R.", "title": "Study of the Blending Efficiency of Pitched Blade Impellers", "date": "2001", "keywords": "blending; impeller; liquid; time; \ufffd \ufffd", "summary": "1: Typical dependence of dimensionless blending time on the Reynolds number for a high-speed rotary impeller The initial concentration is defined as \ufffd \ufffd\ufffd \ufffdc c t0 0\ufffd \ufffd (5) and the final concentration of the dissolved matter in the agitated liquid is \ufffd \ufffd\ufffd \ufffdc c tk \ufffd . [s] \ufffdU U\ufffd \ufffd2 % Fig.", "mime": "application/pdf"}, {"id": "ap-278", "words": "2893", "extension": ".pdf", "flesch": "55", "author": "B\u00f6sz\u00f6rm\u00e9nyi, L.; B\u00f6sz\u00f6rm\u00e9nyi, G.", "title": "A Geothermal Energy Supported Gas-steam Cogeneration Unit as a Possible Replacement for the Old Part of a Municipal CHP Plant (TEKO)", "date": "2001", "keywords": "cycle; energy; gas; heat; power; steam; water", "summary": "3 Feasibility of utilizing geothermal heat directly in the district heating network (DHN) The simple, direct use of geothermal heat in the District Heating Network (DHN) cannot be a feasible way of replacing the existing CHP plant under the current economic circumstances, due to its low efficiency. The main reason for this low efficiency is the conflict between geothermal heat and heat produced in cogeneration, which means that the heat produced by the cogeneration unit would be replaced by geothermal heat.", "mime": "application/pdf"}, {"id": "ap-280", "words": "3315", "extension": ".pdf", "flesch": "68", "author": "Beshay, K. R.; Krat\u011bna, J.; Fo\u0159t, I.; Br\u016fha, O.", "title": "Power Input of High-Speed Rotary Impellers", "date": "2001", "keywords": "impeller; power; \ufffd \ufffd", "summary": "\ufffd (7) which was reduced, according to the present geometry, i.e., T/D = 3 and H/T = 1.0, to the form: \ufffd \ufffdPo n h DB\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 10092 0 701 0 165 2 077. sin. . . \ufffd \ufffd 0 140 2 077 .", "mime": "application/pdf"}, {"id": "ap-2808", "words": "2623", "extension": ".pdf", "flesch": "65", "author": "Jukl\u00ed\u010dek, Jakub; \u017delezn\u00fd, V\u00e1clav", "title": "CFD ANALYSIS OF THE SPACER GRIDS AND MIXING VANES EFFECT ON THE FLOW IN THE CHOSEN PART OF THE TVSA-T FUEL ASSEMBLY", "date": "2015", "keywords": "flow; grid; mixing; spacer; support", "summary": "Nevertheless, this kind of simula- tion provides comparative data for more significant simplifications of the fuel assembly geometry or for replacement of the part or whole spacer grid geometry by the porous media boundary condition in CFD simu- lation. One of the limiting factors is the complicated geometry of spacer grids.", "mime": "application/pdf"}, {"id": "ap-2810", "words": "3736", "extension": ".pdf", "flesch": "48", "author": "Jen\u00ed\u010dek, V\u00edt; Dibl\u00edkov\u00e1, Linda", "title": "A MATHEMATICAL MODEL OF GALVANIC CORROSION UNDER THE CONDITIONS OF A THIN ELECTROLYTE FILM", "date": "2016", "keywords": "bolt; corrosion; curves; exposure; galvanic; loss; polarization; steel; weight; weight loss", "summary": "A mathematical model of galvanic corrosion under the conditions of a thin electrolyte film was used to evaluate atmospheric corrosion. Keywords: atmospheric corrosion, galvanic corrosion, modelling, weight loss.", "mime": "application/pdf"}, {"id": "ap-2813", "words": "4114", "extension": ".pdf", "flesch": "58", "author": "\u017ditn\u00fd, Rudolf; Landfeld, Ale\u0161; Sko\u010dilas, Jan; \u0160tancl, Jarom\u00edr; Flegl, Vlastimil; Hou\u0161ka, Milan", "title": "UNSTEADY FLOW OF THIXOTROPIC COLLAGEN SUBSTANCE IN PIPES", "date": "2015", "keywords": "flow; fluid; model; parameter; rate; thixotropic; time", "summary": "Such a slow variation of flow rate increases the number of time steps (4100 time steps for 151 grid points in the axial direction) and increases the run-time necessary for preliminary identification of thixotropic model parameters. 2D model of velocities and structural parameter profiles (finite differences) Results that are probably more realistic can be obtained by taking into account non-uniform structural parame- ter profiles.", "mime": "application/pdf"}, {"id": "ap-282", "words": "8190", "extension": ".pdf", "flesch": "64", "author": "Doubek, J.; Kreidl, M.", "title": "Parasitic Events in Envelope Analysis", "date": "2001", "keywords": "t t; t \ufffd; z \ufffd; \ufffd cos; \ufffd d; \ufffd x; \ufffd y; \ufffd \ufffd", "summary": "Si z Si z\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 1 0 0 1 0 2 0 0 2 0 \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd\ufffd \ufffd\ufffd \ufffd1 (28) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd\ufffd \ufffd~ cos sinx t t Ci z Ci z t Si z Si z\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 1 0 0 1 0 2 0 0 2 0 1 \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd (29) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd~ cos sinx t t Ci t t Ci t t t", "mime": "application/pdf"}, {"id": "ap-284", "words": "3853", "extension": ".pdf", "flesch": "62", "author": "Younis, F. I.; Alawy, A. El-Bassuny; \u0160im\u00e1k, B.; Ella, M. S.; Madkour, M. A.", "title": "Stellar Image Interpretation System using Artificial Neural Networks: Unipolar Function Case", "date": "2001", "keywords": "images; input; output; pattern; pixel; values", "summary": "The momentum term was adopted to be 0.5 in order to accelerate the convergence of the error back-propagation learning algorithm of our SIIS-ANN. 3.6 SIIS-ANN implementation The developed SIIS-ANN deals with CCD image frames for scanning and searching for the Local Central Peaked Pixel (LCPP) whose datum is larger than those of the surrounding ones [9, 10]. Mark the object of interest (star image, cosmic ray event, or noise) on some CCD frames.", "mime": "application/pdf"}, {"id": "ap-286", "words": "4469", "extension": ".pdf", "flesch": "74", "author": "Badawy, M.; Richta, K.", "title": "Deriving Triggers from Integrity Constraint Specifications in the Database Management Systems", "date": "2001", "keywords": "k \ufffd; \ufffd e; \ufffd p; \ufffd t; \ufffd \ufffd", "summary": "i E W i t t 1 1 3 3 3 2 1 2 2 1 \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd , , , ,\ufffd n. \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd E Ts E Tp p n Therefore we can approximate the probabilities P(i), i \ufffd 0, \u2026, n, as: \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd P P p p p n P", "mime": "application/pdf"}, {"id": "ap-2865", "words": "4200", "extension": ".pdf", "flesch": "63", "author": "Biro\u0161, Milan; Kyslan, Karol; \u010eurovsk\u00fd, Franti\u0161ek", "title": "A HARDWARE-IN-THE-LOOP SIMULATOR BASED ON REAL SKODA SUPERB VEHICLE AND RT-LAB/CARSIM", "date": "2015", "keywords": "carsim; fig; gear; pedal; position; simulator; steering; superb; time; vehicle; wheel", "summary": "Skoda Superb vehicle simulator, rear view. This is because the vehicle has the best power transmission from the engine to the pavement with a particular slip value included in vehicle model.", "mime": "application/pdf"}, {"id": "ap-288", "words": "4470", "extension": ".pdf", "flesch": "74", "author": "Filip, J.", "title": "Analytical Model of Modified Traffic Control in an ATM Computer Network", "date": "2001", "keywords": "k \ufffd; \ufffd e; \ufffd p; \ufffd t; \ufffd \ufffd", "summary": "i E W i t t 1 1 3 3 3 2 1 2 2 1 \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd , , , ,\ufffd n. \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd E Ts E Tp p n Therefore we can approximate the probabilities P(i), i \ufffd 0, \u2026, n, as: \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd P P p p p n P", "mime": "application/pdf"}, {"id": "ap-290", "words": "2208", "extension": ".pdf", "flesch": "46", "author": "Pokorn\u00e1, O.; Mockov\u00e1, D.", "title": "Models of Financing and Available Financial Resources for Transport Infrastructure Projects", "date": "2001", "keywords": "financing; infrastructure; project; sector; transport", "summary": "A typical feature of transport infrastructure projects is that they are expensive and take a long time to construct. 2 Available financial resources Finance resources for transport infrastructure projects can be divided into public and alternative.", "mime": "application/pdf"}, {"id": "ap-292", "words": "3384", "extension": ".pdf", "flesch": "65", "author": "\u0158\u00edmal, J.", "title": "Measurement of Temperature Fields in Long Span Concrete Bridges", "date": "2001", "keywords": "c o; e t; r e", "summary": "These most important factors are combined into the equivalent sun-temperature Tas expressed in equation (1) \ufffd \ufffdT T I pas a g\ufffd \ufffd 1 \ufffd (1) where Ta \ufffd Ta(t) air temperature Ig \ufffd Ig(t) intensity of global solar radiation \ufffd \ufffd \ufffd(v) heat-transfer coefficient depending on air speed p coefficient of surface absorption t time The value of Tas is applied in Fourie\u2019s law by expression (2) \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffdn p T n T T\ufffd (2) where T \ufffd T(x, y, t) temperature field \ufffd surface of area where the heat-transfer boundary condition is used n vector of outside normal \ufffdn coefficient of thermal conductivity Keywords: Nusle bridge in Prague, measurement of thermal fields, calculation of temperature fields, evaluation of stress fields.", "mime": "application/pdf"}, {"id": "ap-294", "words": "2406", "extension": ".pdf", "flesch": "62", "author": "Ficker, T.; Mysl\u00edn, J.; Pode\u0161vov\u00e1, Z.", "title": "Non-linear Temperature Profiles", "date": "2001", "keywords": "t t; t \ufffd; \ufffd d; \ufffd \ufffd", "summary": "The solution of the system (20), (21) for parabolic conduc- tivity function (15) and the boundary conditions T(0) \ufffd T1, T(d) \ufffd T2 reads \ufffd \ufffd \ufffd \ufffdq T T d T T T T d a T T Reff \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd1 2 1 0 3 2 0 3 1 2 3 \ufffd , (27) \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd x a T x T T x T a T T a T T T T a T T \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 0 3 0 0 1 0 3 2 0 3 0 2 1 1 0 3 3 3 \ufffd \ufffd d, (28) \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd R d a T T T T T T T T eff * \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 1 0 2 1 0 2 0 2 0 2 03 \ufffd \ufffd d eff\ufffd , (29) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd\ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdeff T T T T\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 1 3 1 2 1 0 2 0 0 . 2 Variable thermal conductivity Let us assume a dry material inside a wall whose thermal conductivity \ufffd depends only on temperature T(x) \ufffd \ufffd\ufffd \ufffdd d \ufffd T x x 0. (9)", "mime": "application/pdf"}, {"id": "ap-2942", "words": "2203", "extension": ".pdf", "flesch": "63", "author": "Halabuk, D\u00e1vid; Martinec, Ji\u0159\u00ed", "title": "CALCULATION OF STRESS AND DEFORMATION IN FUEL ROD CLADDING DURING PELLET-CLADDING INTERACTION", "date": "2015", "keywords": "cladding; deformation; fuel; pellet; stress", "summary": "It is possible to evaluate which shape of fuel pellet is the most appropriate in consideration of stress and deformation forming in fuel cladding, axial dilatation of fuel, and radial temperature distribution in the fuel rod, based on the obtained results. The calculations are done for 4 different shapes of fuel pellets.", "mime": "application/pdf"}, {"id": "ap-2945", "words": "6984", "extension": ".pdf", "flesch": "60", "author": "Kratky, Lukas; Jirout, Tom\u00e1\u0161", "title": "MECHANICAL DISINTEGRATION OF WHEAT STRAW BY ROLLER-PLATE GRIND SYSTEM WITH SHARP-EDGED SEGMENTS", "date": "2015", "keywords": "biogas; biomass; disintegration; energy; kwh; mill; particle; production; size; straw; t\u22121; wheat", "summary": "[7] studied the effect of wheat straw particle size on the efficiency of biogas digesters operating on agricultural and for- est residues. [6] studied the effect of wheat straw particles on biogas yield and on residue production in anaerobic technology.", "mime": "application/pdf"}, {"id": "ap-2947", "words": "3992", "extension": ".pdf", "flesch": "56", "author": "Dostal, Jan; Kuzel, Jan", "title": "ANALYTICAL METHODS FOR CALCULATING FAN AERODYNAMICS", "date": "2015", "keywords": "fan; flow; impeller; measuring; model; pressure", "summary": "Aerodynamic performance of advanced axial flow fan for power industry within its operational range, Proceedings of ASME GT2014-25339, Dusseldorf, Germany, pp.13 http://dx.doi.org/10.1115/gt2014-25339 [4] Cyrus, V.: The effect of the Reynolds number on the three-dimensional flow in a straight compressor cascade. Keywords: aerodynamics; fan; impeller; blade; total pressure; static pressure; flow tube.", "mime": "application/pdf"}, {"id": "ap-2950", "words": "4176", "extension": ".pdf", "flesch": "64", "author": "Petr\u016f, Jan; Kludka, Michal; Krivda, Vladislav; Mahdalova, Ivana; Zeman, Karel", "title": "VERIFICATION OF CENSUS DEVICES IN TRANSPORTATION RESEARCH", "date": "2015", "keywords": "counting; devices; measurement; metrics; number; speed; traffic; vehicles", "summary": "NU-METRICS NC-200 and NU-METRICS NC-30x traffic analyzer The Nu-Metrics NC-200 traffic analyser is used for measuring vehicle speed, and the intensity and com- 415 http://dx.doi.org/10.14311/AP.2015.55.0415 http://ojs.cvut.cz/ojs/index.php/ap J. Petru, M. Kludka, V. Krivda et al. Acta Polytechnica Direction to Opava Hypermarket Globus Direction to center Fig. This article evaluates and subsequently compares data obtained from various counting devices measur- ing the intensity of traffic on a roundabout in the city of Ostrava.", "mime": "application/pdf"}, {"id": "ap-2952", "words": "4480", "extension": ".pdf", "flesch": "63", "author": "Klimko, Marek; Okresa, Daniel", "title": "MEASUREMENTS ON THE VT 400 AIR TURBINE", "date": "2016", "keywords": "blades; blading; efficiency; int; reaction; stage; stationary; turbine", "summary": "Stationary blade Stationary blade Stationary blade Moving bladevariant 1 (2010) variant 2 (2011) variant 3 (2012) Experimental and numerical development of turbine blades of high efficiency.", "mime": "application/pdf"}, {"id": "ap-296", "words": "5189", "extension": ".pdf", "flesch": "66", "author": "Attia, Abdel-Fattah; Hor\u00e1\u010dek, P.", "title": "Modeling Nonlinear Systems by a Fuzzy Logic Neural Network Using Genetic Algorithms", "date": "2001", "keywords": "fig; flnn; fuzzy; laga; model; parameters; sets; \ufffd y; \ufffd \ufffd", "summary": "14 shows the output model and the plant for the input: \ufffd \ufffd \ufffd \ufffdu k k\ufffd \ufffd \ufffd \ufffd \ufffd05 2 250. The actual input value is compared with the rule pre- mise using degree of overlapping: \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffdD X", "mime": "application/pdf"}, {"id": "ap-2966", "words": "3935", "extension": ".pdf", "flesch": "51", "author": "Lis\u00fd, Martin; Bal\u00e1\u0161, Marek; \u0160pil\u00e1\u010dek, Michal; Sk\u00e1la, Zden\u011bk", "title": "OPERATING SPECIFICATIONS OF CATALYTIC CLEANING OF GAS FROM BIOMASS GASIFICATION", "date": "2015", "keywords": "biomass; catalyst; cleaning; dolomite; elimination; gas; gasification; pressure; tar; temperature", "summary": "The efficiency of tar elimination reached 99.5%, the tar concentration complied with limits for use of the gas in combustion engines, and the tar content reached approximately 35mg/m3 n. The results of the measurements conducted in laboratories helped us design a pilot technology for catalytic gas cleaning. The fundamental classification dis- tinguishes between primary and secondary measures for tar elimination.", "mime": "application/pdf"}, {"id": "ap-2970", "words": "5758", "extension": ".pdf", "flesch": "47", "author": "Nasisi, Salvatore; Val\u00e1\u0161ek, Michael; Vampola, Tom\u00e1\u0161", "title": "AN INTERPOLATION METHOD FOR DETERMINING THE FREQUENCIES OF PARAMETERIZED LARGE-SCALE STRUCTURES", "date": "2015", "keywords": "deformation; frequencies; interpolation; interpolation method; matrices; matrix; method; order; reduction; rotation", "summary": "doi:10.2514/6.2009-2432 [18] H. Panzer, R. Eid, B. Lohmann, Parametric model order reduction by matrix interpolation, Automatisierungstechnik, 58 (2010) 475-484. doi:10.1524/auto.2010.0863 [5] D. G. Meyer, S. Srinivasan, Balancing and Model Reduction for Second-Order Form Linear Systems, IEEE Transactions on Automatic Control, 41 (November 1996) 1632-1644.doi:10.1109/9.544000 [6] A. C. Antoulas, D. C. Sorensen, S. Gugercin, A survey of model reduction methods for large-scale systems, Structured Matrices in Mathematics, Computer Science, and Engineering I, (2001) 193\u2013219. doi:10.1090/conm/280/04630C [7] A. Beattie, Krylov-based model reduction of second-order systems with proportional damping, Proceedings of the 44th IEEE Conference on Decision and Control, and the European Control Conference, (12-15 December 2005).", "mime": "application/pdf"}, {"id": "ap-2974", "words": "2590", "extension": ".pdf", "flesch": "62", "author": "Drago\u0161ek, Luk\u00e1\u0161; Koci\u0161ko, R\u00f3bert; Kov\u00e1\u010dov\u00e1, Andrea; Bidulsky, Robert; \u0160krobian, Milan", "title": "A COMPACTING PROCESS OF THE EN AW 6060 ALLOY", "date": "2015", "keywords": "chips; compacting; density; doi; materials; process; processing", "summary": "Compacting chips The two types of chips were compacted under identical conditions (weight 2, 5, 10 g; compacting pressure 300, 400, 500, 600, 700 MPa; and speed 0.83mm/s). Moreover, it was recognized that in the process of small chips compacting, there was obtained lower density than in the case of large chips.", "mime": "application/pdf"}, {"id": "ap-2978", "words": "4373", "extension": ".pdf", "flesch": "48", "author": "Hol\u010dapek, Ond\u0159ej; Vogel, Filip; Konvalinka, Petr", "title": "ANALYSIS OF MECHANICAL PROPERTIES OF HYDROTHERMALLY CURED HIGH STRENGTH CEMENT MATRIX FOR TEXTILE REINFORCED CONCRETE", "date": "2015", "keywords": "cement; concrete; conditions; curing; hydrothermal; pressure; properties; strength", "summary": "Hydrothermal curing in an autoclave device (with a combination of high pressure and temperature, under the simultaneous effect of steam) provides a sophis- ticated possibility to achieve high final strength in a short time after the first contact between water and cement (approximately 2 days). The bulk density growth is as- 317 O. Hol\u010dapek, F. Vogel, P. Konvalinka Acta Polytechnica sociated with denser microstructure and hydration products due to hydrothermal curing conditions.", "mime": "application/pdf"}, {"id": "ap-298", "words": "2390", "extension": ".pdf", "flesch": "51", "author": "Kr\u0161\u0148\u00e1k, I.; Kolcunov\u00e1, I.", "title": "Partial Discharge Measurements in HV Rotating Machines in Dependence on Pressure of Coolant", "date": "2002", "keywords": "discharge; gas; ionisation; path; pressure; voltage", "summary": "For the electro insulating purposes of gases in high voltage equipments it is always valid that \ufffd \ufffd \ufffd \ufffdpd pd\ufffd min. For this reason we can consider only the \u201cright wing\u201d of Paschen\u2019s curve. (4) If the free path of particle \ufffd \ufffd \ufffdI , where \ufffdI is the free path of a particle which at a certain level of strength E gains the ionisation energy WI, from (1) it is possible to write \ufffdI", "mime": "application/pdf"}, {"id": "ap-2982", "words": "4364", "extension": ".pdf", "flesch": "63", "author": "Havrlik, Michal; Ryparov\u00e1, Pavla", "title": "PROTECTION OF WOODEN MATERIALS AGAINST BIOLOGICAL ATTACK BY USING NANOTECHNOLOGY", "date": "2015", "keywords": "agar; fungicidal; growth; nanofiber; polymer; pva; solution; textiles", "summary": "The experimental part 3 Materials and methods 3.1 Production of PVA solution 3.2 Produce of nanofiber textiles 3.3 Model organism 3.4 Plate experiment 3.5 Experiment on building block of timber 3.6 Fungicidal activity of polymer solution on agar plate 3.7 Fungicidal activity of nanofiber textiles on agar plate 3.8 Fungicidal activity of polymer solution on wooden blocks 3.9 Fungicidal activity of nanofiber textiles on wooden blocks 4 Results 4.1 Fungicidal activity of polymer solution on agar plate 4.2 Fungicidal activity of nanofiber textiles on agar plate 4.3 Fungicidal activity of polymer solution on wooden blocks 4.4 Fungicidal activity of nanofiber textiles on wooden blocks 5 Discussion and conclusion 5.1 Solutions and textiles 5.2 PVA 5.3 Protective biocide ions 5.4 Summary Acknowledgements References Production of PVA solution The base polymer which we used in this work, is a polyvinyl alcohol (PVA).", "mime": "application/pdf"}, {"id": "ap-2983", "words": "3142", "extension": ".pdf", "flesch": "55", "author": "K\u00fchnel, M.; M\u00fcller, S.; Kreykenbohm, I. Kreykenbohm; Schwarm, F.-W.; Grossberger, C.; Dauser, B. T.; Nowak, M. A.; Pottschmidt, K.; Ferrigno, C.; Rothschild, R. E.; Klochkov, D.; Staubert, R.; Wilms, J.", "title": "SIMULTANEOUS FITS IN ISIS ON THE EXAMPLE OF GRO J1008\u201357", "date": "2015", "keywords": "analysis; data; datasets; fits; group; isis; parameters", "summary": "Furthermore, it is necessary to distinguish between group parameters and global parameters. The corresponding parameters are called group parameters.", "mime": "application/pdf"}, {"id": "ap-300", "words": "4834", "extension": ".pdf", "flesch": "59", "author": "Dynda, V.; Rydlo, P.", "title": "Large-scale File System Design and Architecture", "date": "2002", "keywords": "data; file; managers; node; replica; replication; system; \ufffd \ufffd", "summary": "Data Dependency Edges T Tj i k i\ufffd , if \ufffd \ufffd \ufffd \ufffdwriteset readsetT Tj i k i\ufffd \ufffd 0, j < k. 2. Precedence Edges T Tj i k i\ufffd , if \ufffd \ufffd \ufffd \ufffdreadset writesetT Tj i k i\ufffd \ufffd 0, j < k. Both types of edges demonstrate that the transaction processing order has influenced the computation result.", "mime": "application/pdf"}, {"id": "ap-3006", "words": "5049", "extension": ".pdf", "flesch": "56", "author": "Kronek, Jakub; \u017ditn\u00fd, Rudolf", "title": "FINITE ELEMENT ANALYSIS OF AORTAL BIFURCATION", "date": "2015", "keywords": "bifurcation; elastic; figure; model; parameters; pressure; scf; stress; vol; wall", "summary": "doi:10.1114/1.121 [7] Y. S. Chatzizisis, A. U. Coskun, M. Jonas, E. R. Edelman, C. L. Feldman and P. H. Stone, \u201cRole of Endothelial Shear Stress in the Natural History of Coronary Atherosclerosis and Vascular Remodeling: Molecular, Cellular, and Vascular Behavior,\u201d Journal of the American College of Cardiology, vol. 49, no. 25, pp. 2379-2393, 2007. doi:10.1016/j.jacc.2007.02.059 [8] F. Gijsen, A. van der Giessen, A. van der Steen and J. Wentzel, \u201cShear stress and advanced atherosclerosis in human coronary arteries,\u201d JOURNAL OF BIOMECHANICS, vol. 46, no. 2, SI, pp. 240-247, JAN 18 2013. doi:10.1016/j.jbiomech.2012.11.006 [9] S. Zhao, B. Ariff, Q. Long, A. Hughes, S. Thom, A. Stanton and X. Xu, \u201cInter-individual variations in wall shear stress and mechanical stress distributions at the carotid artery bifurcation of healthy humans,\u201d Journal of Biomechanics, vol. 35, no. 10, pp. 1367-1377, 2002. doi:10.1016/S0021-9290(02)00185-9 [10] S. van Wyk, L. P. Wittberg and L. Fuchs, \u201cWall shear stress variations and unsteadiness of pulsatile blood-like flows in 90-degree bifurcations,\u201d Computers in Biology and Medicine, vol. 43, no. 8, pp. Polytechnica 55(6):393\u2013400, 2015 1 Introduction 2 Methods 2.1 Geometry of AB 2.2 Experimental measurements of geometries 2.3 Experimental measurements of material properties 2.4 FE models 2.5 Analytical approximation of SCF, maximum stresses and range 3 Results and discussion 3.1 Sizes of the affected regions 3.2 Qualification of the stress in stress concentrations 4 Conclusion References", "mime": "application/pdf"}, {"id": "ap-302", "words": "7548", "extension": ".pdf", "flesch": "58", "author": "Jokl, M. V.", "title": "Thermal Comfort and Optimum Humidity Part 1", "date": "2002", "keywords": "air; body; clothing; cold; comfort; environment; fig; heat; human; humidity; operative; temperature", "summary": "This limit enables another hygienic requirement for interiors to be estimated: the acceptable difference be- tween air temperature and surface, wall temperature, and the corresponding difference between air temperature and globe temperature in winter. Air temperature in an enclosed space generally increases from floor to ceiling.", "mime": "application/pdf"}, {"id": "ap-3026", "words": "4565", "extension": ".pdf", "flesch": "67", "author": "Kole\u0148\u00e1k, Roman; Prach, Michal; Kostoln\u00fd, Igor", "title": "ULTRASONIC SOLDERING OF Cu AND Al2O3 CERAMICS BY USE OF Bi-La AND Bi-Ag-La SOLDERS", "date": "2016", "keywords": "analysis; bi2la; fig; joint; solder; soldering; temperature", "summary": "The Bi-Ag \u2013 based solder with 2wt.% lanthanum addition and Bi solder with 2wt.% lanthanum addition were studied. Quantitative analysis of chemical composition in selected zones of Bi2La solder.", "mime": "application/pdf"}, {"id": "ap-3028", "words": "2628", "extension": ".pdf", "flesch": "56", "author": "Urminsky, Jan; Mar\u00f4nek, Milan; J\u00e1\u0148a, Miroslav; Morovi\u010d, Ladislav", "title": "ANALYSIS OF WELD JOINT DEFORMATIONS BY OPTICAL 3D SCANNING", "date": "2016", "keywords": "atos; bimetal; deformation; max; weld", "summary": "Angular deformations are adverse from all group and can degrade the utility of the weld- ment. Angular deformations were not observed throughout the thickness of the material.", "mime": "application/pdf"}, {"id": "ap-3032", "words": "2613", "extension": ".pdf", "flesch": "60", "author": "Pracha\u0159, Ale\u0161", "title": "COMPARISON OF AXIAL FAN ROTOR EXPERIMENTAL DATA WITH CFD SIMULATION", "date": "2016", "keywords": "blade; boundary; cfd; data; flow; pressure; rotor; simulation", "summary": "The measured quantities, obtained as functions of radial coordinate, were later utilized to calculate inte- gral values (volume flow rate, average total or static pressure). However, the exit static pressure is influenced by the performance of the rotor at various volume flow rates.", "mime": "application/pdf"}, {"id": "ap-3033", "words": "4747", "extension": ".pdf", "flesch": "67", "author": "Hromadka, David; Chlup, Hynek; \u017ditn\u00fd, Rudolf", "title": "INTEGRAL METHODS FOR DESCRIBING PULSATILE FLOW", "date": "2016", "keywords": "energy; equations; flow; method; momentum; solution; velocity", "summary": "Keywords: pulsatile flow, integral energy, integral momentum, rigid pipe. To the best of the author\u2019s knowledge, there is no in- tegral energy solution for pulsatile flow that takes into account the reverse flow.", "mime": "application/pdf"}, {"id": "ap-3037", "words": "4912", "extension": ".pdf", "flesch": "57", "author": "Kalde, Nassim; Simonin, Olivier; Charpillet, Fran\u00e7ois", "title": "COMPARISON OF CLASSICAL AND INTERACTIVE MULTI-ROBOT EXPLORATION STRATEGIES IN POPULATED ENVIRONMENTS", "date": "2015", "keywords": "distance; environment; exploration; frontier; human; interaction; penalties; robot; time", "summary": "Multi-robot exploration consists in coordinating robots for mapping an unknown environment. Multi-robot exploration of unknown environments with identification of exploration completion and post-exploration rendez-vous using ant algorithms.", "mime": "application/pdf"}, {"id": "ap-3039", "words": "4839", "extension": ".pdf", "flesch": "67", "author": "Kulich, Miroslav; Juchelka, Tom\u00e1\u0161; P\u0159eu\u010dil, Libor", "title": "COMPARISON OF EXPLORATION STRATEGIES FOR MULTI-ROBOT SEARCH", "date": "2015", "keywords": "environment; exploration; goal; map; means; problem; robots; search; strategies", "summary": "In addition, approaches based on K-means clustering and assigning the clusters to particular robots are presented in [16, 17] Intuitively, multi-robot search is a process of au- tonomous navigation of a team of mobile robots in an a-priori unknown environment in order to find an ob- 162 http://dx.doi.org/10.14311/AP.2015.55.0162 http://ojs.cvut.cz/ojs/index.php/ap vol. The strategy lacks opti- mality2, since one goal can be selected and explored by many robots as depicted in Fig. 1(a).", "mime": "application/pdf"}, {"id": "ap-304", "words": "1717", "extension": ".pdf", "flesch": "62", "author": "Ficker, T.; Pode\u0161vov\u00e1, Z.", "title": "Non-isothermal Diffusion of Water Vapour in Porous Building Materials", "date": "2002", "keywords": "t t; \ufffd d; \ufffd \ufffd", "summary": "For this purpose the coefficient of diffusion permeability \ufffd is defined as follows \ufffd \ufffd\ufffd T g d p p * \ufffd \ufffd d 1 2 (1), T T T * \ufffd \ufffd1 2 2 (2) where d is the thickness of the envelope (wall), gd is diffusion flux and p1, p2 are partial pressures of water vapour at both surfaces of the wall. \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd d ddp T g R k a bx xn x p T p x T x \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd\ufffd \ufffd 01 1 , (12) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd g p T p T kb n R a a bx x x n nd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd 1 1 1 1 1 \ufffd .", "mime": "application/pdf"}, {"id": "ap-3040", "words": "6167", "extension": ".pdf", "flesch": "60", "author": "Matignon, Laetitia; Jeanpierre, Laurent; Mouaddib, Abdel-Illah", "title": "DECENTRALIZED MULTI-ROBOT PLANNING TO EXPLORE AND PERCEIVE", "date": "2015", "keywords": "agent; decision; dvf; exploration; function; mdp; module; object; pictures; recognition; reward; robot; time", "summary": "The idea is to take advantage of sparse interactions by allowing each robot to calculate locally a strategy that maximizes the explored space while minimizing robots interactions. at http://liris.cnrs.fr/laetitia.matignon/ research.html various exploration tasks with real robots, and some interesting situations are underlined as global task repartition or local coordination.", "mime": "application/pdf"}, {"id": "ap-3047", "words": "4443", "extension": ".pdf", "flesch": "66", "author": "K\u00fchnel, Matthias; Falkner, Sebastian; Grossberger, Christoph; Ballhausen, Ralf; Dauser, Thomas; Schwarm, Fritz-Walter; Kreykenbohm, Ingo; Nowak, Michael A.; Pottschmidt, Katja; Ferrigno, Carlo; Rothschild, Richard E.; Mart\u00ednez-N\u00fa\u00f1ez, Silvia; Torrej\u00f3n, Jos\u00e9 Miguel; F\u00fcrst, Felix; Klochkov, Dmitry; Staubert, R\u00fcdiger; Kretschmar, Peter; Wilms, J\u00f6rn", "title": "THE GOODNESS OF SIMULTANEOUS FITS IN ISIS", "date": "2016", "keywords": "data; datasets; fit; goodness; group; model; parameters; red; residuals; simultaneous", "summary": "After a model with p parameters has been defined each of these data-groups is fitted by an individual set of parameters, called group parameters. A model with p + P parameters is fitted such that each data-group has its own set of pi parameters, called group parameters.", "mime": "application/pdf"}, {"id": "ap-3056", "words": "6532", "extension": ".pdf", "flesch": "52", "author": "Novotn\u00fd, Jan; No\u017ei\u010dka, Ji\u0159\u00ed", "title": "MODEL OF HEAT SIMULATOR FOR DATA CENTERS", "date": "2016", "keywords": "field; figure; heat performance; heat simulator; outlet; performance; server", "summary": "Keywords: data center; cooling; heat simulator; PIV; measurement. 3 Measurement of performance characteristic of heat simulator For the purpose of verifying the functionality of the designed model, it was necessary to carry out several basic measurements.", "mime": "application/pdf"}, {"id": "ap-3058", "words": "4068", "extension": ".pdf", "flesch": "48", "author": "Jogl, Marcel; Reiterman, Pavel; Hol\u010dapek, Ond\u0159ej; Ko\u0165\u00e1tkov\u00e1, Jaroslava; Konvalinka, Petr", "title": "RESIDUAL PROPERTIES OF FIBER-REINFORCED REFRACTORY COMPOSITES WITH A FIRECLAY FILLER", "date": "2016", "keywords": "cement; ceramic; composites; materials; properties; strength; temperature", "summary": "Microstructural changes and residual properties of fiber reinforced cement composites exposed to elevated temperatures. Our experimental program has confirmed the great potential of ceramic powder, and especially metakaolin, as a supplementation material for alumi- nous cement in high alumina cement based composites.", "mime": "application/pdf"}, {"id": "ap-306", "words": "3818", "extension": ".pdf", "flesch": "58", "author": "Jokl, M. V.", "title": "Thermal Comfort and Optimum Humidity Part 2", "date": "2002", "keywords": "air; cooling; heating; room; ventilation; window", "summary": "For warm air heating, the above pattern of air streams within a room is the best way to prevent the formation of a cold draft. The basic principle for warm air heating is that warm air must be released from above and must then go down, i.e., it must be supplied to the ceiling of a room.", "mime": "application/pdf"}, {"id": "ap-3064", "words": "4727", "extension": ".pdf", "flesch": "61", "author": "Sir\u016f\u010dkov\u00e1, Hana", "title": "EXPERIMENTAL LEVELLING AT THE INTERFACE OF OPTICAL ENVIRONMENTS", "date": "2016", "keywords": "building; levelling; line; refraction; temperature", "summary": "Calibration of temperature sensors Temperature sensors were immersed in water to elimi- nate short-term environmental influences, and were all in the same condition. 2/2016 Experimental Levelling at the Interface of Optical Environments Date A1\u2013A3 (mm) Difference from levelling line around (mm) dL (mm) Difference from levelling line around minus correction of dL (mm) 3 November 2013 Koni 007 20.30 0.57 0.23 0.34 1 December 2013 Koni 007 20.50 0.37 0.41 \u22120.04 27 July 2014 Koni 007 21.50 \u22120.77 \u22120.28 \u22120.49 8 February 2015 Koni 007 21.90 \u22121.17 \u22120.74 \u22120.43 9 February 2014 DNA 03 20.69 0.04 0.27 \u22120.23 6 April 2014 DNA 03 20.60 0.13 \u22120.31 0.44 27 July 2014 DNA 03 21.63 \u22120.89 \u22120.63 \u22120.26 8 February 2015 DNA 03 21.75 \u22121.02 \u22120.47 \u22120.55 Table 5.", "mime": "application/pdf"}, {"id": "ap-308", "words": "2880", "extension": ".pdf", "flesch": "48", "author": "Pokorn\u00e1, O.; Mockov\u00e1, D.", "title": "The Risks of Investments in Transport Infrastructure Projects", "date": "2002", "keywords": "analysis; construction; guarantees; project; revenue; risks; sector; traffic", "summary": "Financial risks: interest rates Financial risk is the risk that project cash flows may be insufficient to cover debt servicing and then to pay an adequate return on sponsor equity. Infrastructure development requires that project risks and responsibilities be assigned to the public or private entity that is best able to manage them.", "mime": "application/pdf"}, {"id": "ap-3088", "words": "1959", "extension": ".pdf", "flesch": "57", "author": "Horn\u00edk, Jakub; Krum, Stanislav; Tondl, David; Puchnin, Maxim; Sachr, Pavel; Cvr\u010dek, Ladislav", "title": "MULTILAYER COATINGS Ti/TiN, Cr/CrN AND W/WN DEPOSITED BY MAGNETRON SPUTTERING FOR IMPROVEMENT OF ADHESION TO BASE MATERIALS", "date": "2015", "keywords": "adhesion; coatings; hardness", "summary": "Highest adhesion was achieved in case of W/WN and Cr/CrN. The combi- nation of highest hardness, modulus of elasticity and best adhesion promotes W based coatings, especially the FGM type, to be very perspective for tribological application. cupola character, in case of W based coating prevails the cauliflower appearance.", "mime": "application/pdf"}, {"id": "ap-310", "words": "1396", "extension": ".pdf", "flesch": "60", "author": "Rieger, F.", "title": "Pumping Efficiency of Screw Agitators in a Tube", "date": "2002", "keywords": "number; pumping", "summary": "[J kg\ufffd1] e* dimensionless specific energy, e* \ufffd e/\ufffdn e *max maximum dimensionless specific energy e+ dimensionless specific energy, e+ \ufffd e /n2d2 emax \ufffd maximum dimensionless specific energy L length The effect of Reynolds number on pumping characteristics was shown in [1].", "mime": "application/pdf"}, {"id": "ap-3105", "words": "7372", "extension": ".pdf", "flesch": "78", "author": "Ko\u0161\u0165\u00e1kov\u00e1, Petra; Stovicek, Pavel", "title": "THE AHARONOV-BOHM HAMILTONIAN WITH TWO VORTICES REVISITED", "date": "2016", "keywords": "operator; propagator; space", "summary": "Verification of the propagator formula We have to show that, for x0 \u2208 M\u0303 fixed, the propagator K(t, x, x0) defined in (9), (10) verifies the condition( i \u2202 \u2202t + \u2206 ) Fix a point x \u2208 M\u0303 .", "mime": "application/pdf"}, {"id": "ap-312", "words": "3485", "extension": ".pdf", "flesch": "44", "author": "Kavan, M.", "title": "Education for Production and Operations Management", "date": "2002", "keywords": "czech; department; management; operations; production; programme; students; work", "summary": "Keywords: production and operations management, study programme, department of mechanical engineering enterprise management, Czech business and industry,Czech Technical University in Prague, education, lean operations management, Toyota production system. This programme brings together theory and prac- tice in a broad overview of operations management (OM), dealing with the production process, interactions with other business functions, and also business strategy.", "mime": "application/pdf"}, {"id": "ap-314", "words": "5599", "extension": ".pdf", "flesch": "59", "author": "Coiro, D. P.; Nicolosi, F.", "title": "Design of a Three Surfaces R/C Aircraft Model", "date": "2002", "keywords": "aircraft; canard; configuration; engine; fig; power; propeller; wing", "summary": "AP2002_01.vp 1 Introduction In the last twenty years canard configurations have be- come more and more usual, especially for light and very light aircraft. After the Wrights\u2019 first flying machines, the revival of canard configuration on classical \u201cbackward-built\u201d airplanes has been pushed by experimental aircraft and by the evolu- tion of the numerical and experimental tools necessary to accomplish the design of this type of configuration.", "mime": "application/pdf"}, {"id": "ap-3143", "words": "3721", "extension": ".pdf", "flesch": "61", "author": "Plankovskyy, Sergiy; Shypul, Olga; Tsegelnyk, Yevgen; Tryfonov, Oleg; Golovin, Ivan", "title": "SIMULATION OF SURFACE HEATING FOR ARBITRARY SHAPE\u2019S MOVING BODIES/SOURCES BY USING R-FUNCTIONS", "date": "2016", "keywords": "body; functions; heat; method; problem; source; surface; temperature", "summary": "Keywords: numerical methods; moving heat sources; ray tracing; R-functions method. The problem of heating bodies of finite dimensions by moving heat sources is considered in fewer studies.", "mime": "application/pdf"}, {"id": "ap-316", "words": "4523", "extension": ".pdf", "flesch": "52", "author": "Bart\u00e1k, J.; Hilar, M.; Pru\u0161ka, J.", "title": "Numerical Modelling of Overburden Deformations", "date": "2002", "keywords": "deformations; grouting; model; modelling; monastery; settlement; tunnel; \ufffd \ufffd", "summary": "\ufffd After comparing of in situ measured deformation values with calculated deformations on the basic model, the ef- fect of parametric changes on the final deformations was investigated. For the computa- tional models, the following input data were considered: \ufffd backfill: E \ufffd 20 MPa; \ufffd \ufffd 0.3; \ufffd \ufffd 23 kN/m3; \ufffd \ufffd 20\u00b0;", "mime": "application/pdf"}, {"id": "ap-3162", "words": "3102", "extension": ".pdf", "flesch": "51", "author": "Pazderka, Ji\u0159\u00ed; H\u00e1jkov\u00e1, Eva", "title": "CRYSTALLINE ADMIXTURES AND THEIR EFFECT ON SELECTED PROPERTIES OF CONCRETE", "date": "2016", "keywords": "admixture; concrete; crystalline; effect; strength; test; water", "summary": "Keywords: crystalline admixture; concrete; building envelope; water tightness; permeability. The results of these tests are very convincing, thus the water impermeability and high durability of concrete with crystalline admixtures may be declared.", "mime": "application/pdf"}, {"id": "ap-318", "words": "1996", "extension": ".pdf", "flesch": "37", "author": "Rao, N.; Kusumo, R.; Sinha, A. K.; Scott, M. L.", "title": "System Framework for the Design of an Avionics Architecture with Upgrade Potential", "date": "2002", "keywords": "architecture; avionics; design; parameters; potential; system; upgrade", "summary": "The complexity of avionics upgrade process is due to the design rigidity of avionics systems architecture. Keywords: avionics systems, avionics upgrade, system approach, avionics architecture.", "mime": "application/pdf"}, {"id": "ap-320", "words": "6536", "extension": ".pdf", "flesch": "54", "author": "Cooper, G.; Thompson, G.", "title": "Concept Design and Reliability", "date": "2002", "keywords": "analysis; concept; design; fig; performance; process; reliability; safety; specification; system; tools; \ufffd \ufffd", "summary": "Thus concept design becomes a set of divergent-convergent design activities that develop an immature concept to maturity by strengthening the concept in response to the salient design requirements. Existing reliability evaluation methods are reviewed with respect to their suitability for use in concept design.", "mime": "application/pdf"}, {"id": "ap-322", "words": "4872", "extension": ".pdf", "flesch": "59", "author": "Jokl, M. V.", "title": "The Impact of Odors", "date": "2002", "keywords": "air; building; co2; concentration; odor; person; smell; subjects; term; tvoc; vol", "summary": "Indoors, flowers and man-made aromas (cosmetics and detergents, smoke from an open fireplace) are sources of pleasant smells. Odoriferous substances have to come into con- tact with a mucous membrane, if smell perception is to be evoked.", "mime": "application/pdf"}, {"id": "ap-3227", "words": "6055", "extension": ".pdf", "flesch": "61", "author": "Dvo\u0159\u00e1\u010dek, Filip", "title": "LABORATORY TESTING OF THE LEICA AT401 LASER TRACKER", "date": "2016", "keywords": "at401; distance; instrument; laboratory; laser; leica; measurements; refractive; temperature; tests; tracker", "summary": "Keywords: laser tracker; Leica AT401; laboratory testing; firmware error; length metrology. It is expected that all findings presented here for Leica AT401 are also valid for the AT402 model.", "mime": "application/pdf"}, {"id": "ap-324", "words": "3049", "extension": ".pdf", "flesch": "63", "author": "Jokl, M. V.", "title": "Optimization of the Odor Microclimate", "date": "2002", "keywords": "air; building; czech; fig; odor; person; rate; value; vol", "summary": "Emission rates declined slowly Table 1: TVOC Emission rates in a building interior sults must be proved by calculations of air rates related to one person. The following equation should be used in the rooms where odor agents, released from building materials, are deci- sive for outdoor air rate: \ufffd \ufffd R G B B iTVOC eTVOC \ufffd \ufffd36.", "mime": "application/pdf"}, {"id": "ap-3258", "words": "4572", "extension": ".pdf", "flesch": "60", "author": "Skopec, Pavel; Hrdli\u010dka, Jan", "title": "SPECIFIC FEATURES OF THE OXYFUEL COMBUSTION CONDITIONS IN A BUBBLING FLUIDIZED BED", "date": "2016", "keywords": "air; combustion; flue; gas; oxyfuel; v o; volume", "summary": "The maximum CO2 concentration in the flue gas during air combustion is not higher than 20%, but oxyfuel combustion can increase this concentration up to 90% in the dry state. Flue gases from oxyfuel combustion consist mainly of CO2 and water vapour (Fig. 2).", "mime": "application/pdf"}, {"id": "ap-326", "words": "2851", "extension": ".pdf", "flesch": "62", "author": "Usama, S.; \u0160im\u00e1k, B.", "title": "A Low-complexity Wavelet Based Algorithm for Inter-frame Image Prediction", "date": "2002", "keywords": "algorithm; motion; mrvbs; noise; tss", "summary": "The results show that MRVBS is usually better than the FS and TSS algorithms, especially with slow motion video sequences. Zhang and Zafar [8] applied wavelet theory to real-time video com- pression, and proposed multi-resolution motion estimation (MRME).", "mime": "application/pdf"}, {"id": "ap-3260", "words": "4447", "extension": ".pdf", "flesch": "63", "author": "Opat\u0159il, Jan; Havl\u00edk, Jan; Barto\u0161, Ond\u0159ej; Dlouh\u00fd, Tom\u00e1\u0161", "title": "AN EXPERIMENTAL ASSESSMENT OF THE PLATE HEAT EXCHANGER CHARACTERISTICS BY WILSON PLOT METHOD", "date": "2016", "keywords": "coefficient; exchanger; flow; heat; heat transfer; method; phe; pressure; transfer", "summary": "Keywords: plate heat exchanger; Wilson plot; experimental measurement; heat transfer; pressure drop; friction factor. U overall heat transfer coefficient [W/m2 K] v velocity [m/s] Subscripts A fluid A B fluid B in inlet l liquid out outlet w wall Superscripts m exponent of Prandtl number n exponent of Reynolds number \u2217 normalized value Acknowledgements The authors gratefully acknowledge the support of all colleagues from G.A.M. HEAT spol.", "mime": "application/pdf"}, {"id": "ap-3265", "words": "7618", "extension": ".pdf", "flesch": "63", "author": "Kalnins, Ernest G.; Miller, Jr, Willard; Subag, Eyal", "title": "LAPLACE EQUATIONS, CONFORMAL SUPERINTEGRABILITY AND B\u00d4CHER CONTRACTIONS", "date": "2016", "keywords": "algebra; b\u00f4cher; conformal; contractions; laplace; order; systems", "summary": "Atomic Nuclei, 70, 560-566, (2007), doi:10.1088/0305-4470/34/22/311 [15] Kalnins E. G. and Miller W. Jr., Quadratic algebra contractions and 2nd order superintegrable systems, Anal. Summary of B\u00f4cher contractions of Laplace superintegrable systems Table 1 contains a partial list of contractions.", "mime": "application/pdf"}, {"id": "ap-3266", "words": "3821", "extension": ".pdf", "flesch": "53", "author": "Posp\u00ed\u0161il, Ji\u0159\u00ed; Lis\u00fd, Martin; \u0160pil\u00e1\u010dek, Michal", "title": "OPTIMALIZATION OF AFTERBURNER CHANNEL IN BIOMASS BOILER USING CFD ANALYSIS", "date": "2016", "keywords": "combustion; concentration; duct; flue gas; gas; section; trace gas", "summary": "Kinetic energy of turbulence generally increases with increasing velocity of flue gas flow. Left of each subfigure: highest concentrations \u2013 section plan view; right: concentration in the cut \u2013 view in the direction of flue gas flow.", "mime": "application/pdf"}, {"id": "ap-3274", "words": "5602", "extension": ".pdf", "flesch": "60", "author": "Gernay, Thomas", "title": "A METHOD FOR MEASURING THE SENSITIVITY OF BUILDING STRUCTURAL MEMBERS TO FIRE DECAY PHASES", "date": "2016", "keywords": "column; dhp; figure; fire; load; member; temperature", "summary": "This work presents an analysis of the behaviour of different structural members under natural fires, and develops a method for characterizing their sensitivity to fire decay phases. Thermo-mechanical numerical simulations based on the non-linear finite element method are conducted using the parametric fire model of the Eurocode to represent natural fires.", "mime": "application/pdf"}, {"id": "ap-328", "words": "3079", "extension": ".pdf", "flesch": "62", "author": "Haghi, A. K.", "title": "A Mathematical Approach for Evaluation of Surface Topography Parameters", "date": "2002", "keywords": "d \ufffd; y \ufffd; \ufffd e; \ufffd h; \ufffd \ufffd", "summary": "Thus, having \ufffd \ufffdS x y, \ufffd from equation (8), C1 $ \ufffd Cn $ 0 n \ufffd %2 3, , (10) The correlation function of the transformation G{h(x, y)} from equation (6) is reported approximately as \ufffd \ufffd \ufffd \ufffdKG \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd 1 2 1 2, ,$ . (11) By using \ufffd \ufffdS x y, # \ufffd from equation (8) we obtain C1 0$ \ufffd \ufffdC These can be mathematically described by the composition of the deterministic and random components of irregularities in the given Cartesian coordinate system: \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdh x y S x y x y, , ,\ufffd \ufffd \ufffd (1) where S(x, y) is the deterministic function of the surface (x, y) coordinates and \ufffd(x, y) is the homogeneous random normal field.", "mime": "application/pdf"}, {"id": "ap-330", "words": "6098", "extension": ".pdf", "flesch": "62", "author": "Tesa\u0159, V.", "title": "Sampling by Fluidics and Microfluidics", "date": "2002", "keywords": "control; fig; flow; jet; pressure; sample; sampling; state; unit; valve", "summary": "A similar tree- -like connection principle at higher levels is applied to build sampling units for a larger number of sample flows. This would, of course, also apply if there were more valve pairs in a sampling unit handling a larger number of sample flows.", "mime": "application/pdf"}, {"id": "ap-332", "words": "3178", "extension": ".pdf", "flesch": "64", "author": "Rieger, F.; Rzyski, E.", "title": "Mixing Suspensions in Slender Tanks", "date": "2002", "keywords": "fig; impellers; \ufffd \ufffd", "summary": "3: Effect of increasing the number of impellers (particles \ufffd \ufffd 1.34 mm, tank H \ufffd D): a \u2013 values of rotational frequency of impellers; b \u2013 values of mixing power (A \u2013 one impeller; B \u2013 two impellers, = 0.5 d; C \u2013 two impellers, = d) (Figs. 4a and 4b). In the tank there were four standard baffles and a pitched four-blade impeller (\ufffd \ufffd 45\u00b0).", "mime": "application/pdf"}, {"id": "ap-334", "words": "2208", "extension": ".pdf", "flesch": "61", "author": "Gr\u00fcnwald, A.; \u0160\u0165astn\u00fd, B.; Slav\u00ed\u010dkov\u00e1, K.; Slav\u00ed\u010dek, M.", "title": "Formation of Haloforms during Chlorination of Natural Waters", "date": "2002", "keywords": "disinfection; formation; nom; water", "summary": "Sampling place 1 2 3 4 5 1 DOC (mg \ufffdl\ufffd1) 15.9 6.55 8.15 9.33 9.53 CODMn (mg \ufffdl\ufffd1) 22.7 8.00 10.70 11.00 10.7 A254 (cm\ufffd1) 0.685 0.25 0.327 0.385 0.376 2 DOC (mg \ufffdl\ufffd1) 6.55 3.51 6.00 7.20 10.91 CODMn (mg \ufffdl\ufffd1) 14.40 8.00 4.60 9.30 7.00 A254 (cm\ufffd1) 0.483 0.278 0.131 0.327 0.245 3 DOC (mg \ufffdl\ufffd1) 10.69 6.29 10.23 16.55 5.73 CODMn (mg \ufffdl\ufffd1) 14.00 10.00 15.50 22.00 8.90 A254 (cm\ufffd1) 0.445 0.263 0.446 0.748 0.231 4 DOC (mg \ufffdl\ufffd1) 4.62 6.79 2.07 3.92 4.55 CODMn (mg \ufffdl\ufffd1) 5.60 8.60 1.90 4.20 4.70 A254 (cm\ufffd1) 0.185 0.269 0.061 0.140 0.146 Tab. 4: Content of organic compounds in water samples from the Flaje catchment Formation and its relation to specific ultraviolet absorbance. Among all the different parameters for characterizing NOM of given water, UV254 and specific ultraviolet absorbance (SUVA\ufffd \ufffd UV\ufffd/DOC) at a particular wavelength (\ufffd) has often correlated well with DBP formation", "mime": "application/pdf"}, {"id": "ap-336", "words": "3104", "extension": ".pdf", "flesch": "60", "author": "Kreidl, M.; Houfek, P.", "title": "Reducing Ultrasonic Signal Noise by Algorithms based on Wavelet Thresholding", "date": "2002", "keywords": "detail; noise; reduction; signal; \ufffd \ufffd", "summary": "60 \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ Acta Polytechnica Vol. 42 No. 2/2002 Reducing Ultrasonic Signal Noise by Algorithms based on Wavelet Thresholding M. Kreidl, P. Houfek Traditional techniques for reducing ultrasonic signal noise are based on the optimum frequency of an acoustic wave, ultrasonic probe construction and low-noise electronic circuits. The coefficient of noise reduction \ufffdSN was defined for a comparison of the success of the used algorithms, according to Eq.", "mime": "application/pdf"}, {"id": "ap-338", "words": "3362", "extension": ".pdf", "flesch": "60", "author": "Beran, V.", "title": "Optimisation and Just-in-Time", "date": "2002", "keywords": "activities; construction; fig; production; time; total; \ufffd \ufffd", "summary": "If the matrix of variables in time t, where t \ufffd (1, 2, 3, \u2026, T) is signed for particular scenarios s, where s \ufffd (1, 2, \u2026, S), say as zts, the problem becomes \ufffd \ufffd \ufffd \ufffdmin ,F p x w zj jt x \ufffd \ufffd\ufffd\ufffd\ufffd \ufffd \ufffd \ufffd t jt s ts 1 (4) subject to c x z Dj jt jt ts ts\ufffd \ufffd\ufffd\ufffd t s, , (5) \ufffd \ufffdx jt 0 1 2, , , \ufffd j t, , (6) zts \ufffd 0 t s, , (7) where w is the weighting factor and \ufffd is the function of nega- tive demand consequences related to the unmet demand zjt and probability \ufffds in the range of scenario s. Demand Dts will be presented with an uncertainty com- ponent zjt, see Eq. (5). Finishing processes in construction production are an appropriate place for practic- ing JIT methods.", "mime": "application/pdf"}, {"id": "ap-340", "words": "3665", "extension": ".pdf", "flesch": "68", "author": "Bedna\u0159\u00edk, M.; Kon\u00ed\u010dek, P.; \u010cervenka, M.", "title": "Solution of the Burgers Equation in the Time Domain", "date": "2002", "keywords": "f z; g0 \ufffd; y \ufffd; z z; z \ufffd; \ufffd exp; \ufffd f; \ufffd \ufffd", "summary": "(8) The integration itself can be performed by means of the Simpson method, which is based on approximating the inte- grated function in the segments by parts of a parabola \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdf z z q q n f z f z f z q q d 1 2 2 1 0 1 23 4 2 \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd [ \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd\ufffd \ufffd2 42 1f z f z f zn n n ], (9) where n \ufffd 2k, k N\ufffd is the number of equidistant intervals and \ufffd \ufffdz q i q q ni \ufffd \ufffd \ufffd1 2 1 . (5) only in intervals \ufffd \ufffd \ufffd \ufffdq qi i 1 2, where the value of an integrand is less than a cho- sen parameter \ufffd .", "mime": "application/pdf"}, {"id": "ap-3408", "words": "3442", "extension": ".pdf", "flesch": "62", "author": "Mouralova, Katerina; Kovar, Jiri; Houska, Pavel", "title": "EXPERIMENTAL EVALUATION OF WEDM MACHINED SURFACE WAVINESS", "date": "2016", "keywords": "alloy; machining; parameters; samples; surface; titanium; values; waviness; wedm", "summary": "4. Conclusions and discussion The morphology of sample surfaces is made up of a large number of craters which were formed by ero- sion process ZHR 4150AK hardness tester, series Rockwell by Zwick Roell was used for the measurement of hardness of sample material.", "mime": "application/pdf"}, {"id": "ap-3411", "words": "5522", "extension": ".pdf", "flesch": "60", "author": "Gubbiotti, Giorgio; Levi, Decio; Scimiterna, Christian", "title": "ON PARTIAL DIFFERENTIAL AND DIFFERENCE EQUATIONS WITH SYMMETRIES DEPENDING ON ARBITRARY FUNCTIONS", "date": "2016", "keywords": "darboux; equation; functions; math; order; point; symmetries; symmetry", "summary": "Startsev, Darboux integrable discrete equations possessing an autonomous first-order integral, J. Phys. [5], i.e., equations integrable by the Spectral transform, which have an infinite dimensional group of point symmetries.", "mime": "application/pdf"}, {"id": "ap-342", "words": "3467", "extension": ".pdf", "flesch": "62", "author": "Jahoda, M.; Macho\u0148, V.; Vlach, L.; Fo\u0159t, I.", "title": "Macro-instabilities of a Suspension in an Axially Agitated Mixing Tank", "date": "2002", "keywords": "frequency; impeller; macro; occurrence; vessel", "summary": "The dependence of the mean value of the dimensionless frequency of macro-instability occurrence on impeller speed for constant solid concentration 10 % by weight is shown in Fig. The dependence of the mean value of the dimensionless frequency of macro-instability occurrence on solid concentration for constant impeller speed is shown in Fig.", "mime": "application/pdf"}, {"id": "ap-3436", "words": "6368", "extension": ".pdf", "flesch": "59", "author": "Van\u011b\u010dek, Jan; \u0160troner, Martin", "title": "TESTING THE ACCURACY OF MEASURED VALUES IN CONTINUOUS LONG-TERM GEODETIC MONITORING", "date": "2016", "keywords": "accuracy; analysis; angle; approximation; deviation; direction; distance; monitoring; reference; slope; values", "summary": "Important coefficients of approximation curves of horizontal direction standard deviations. Standard deviation of horizontal direction for all tested reference points.", "mime": "application/pdf"}, {"id": "ap-3438", "words": "6520", "extension": ".pdf", "flesch": "63", "author": "Prorok, Amanda; Ani Hsieh, M.; Kumar, Vijay", "title": "ADAPTIVE DISTRIBUTION OF A SWARM OF HETEROGENEOUS ROBOTS", "date": "2016", "keywords": "distribution; k(s; optimization; robot; species; system; time; trait; transition", "summary": "As a consequence, we do not employ optimization methods that utilize final robot distributions in their formula- tions (which is the case in the works presented by [8] and [13]). We consider a community of S robot species, with a total number of robots N , and N (s) robots per species such that \u2211S s=1N (s) = N .", "mime": "application/pdf"}, {"id": "ap-344", "words": "3960", "extension": ".pdf", "flesch": "57", "author": "Tepl\u00fd, B.", "title": "Modelling of Deterioration Effects on Concrete Structures", "date": "2002", "keywords": "carbonation; cl \ufffd; concrete; corrosion; service; \ufffd \ufffd", "summary": "The failure probability is defined as: \ufffd \ufffd\ufffd \ufffdp P g tf \ufffd \ufffdX, 0 (16) and can be evaluated at several time points ti (i \ufffd 1, 2, \u2026, n). The formula for the time related rebar diameter decrease reads \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdd", "mime": "application/pdf"}, {"id": "ap-3440", "words": "5665", "extension": ".pdf", "flesch": "56", "author": "Mendes Filho, Jos\u00e9 M.; Lucet, Eric", "title": "MULTI-ROBOT MOTION PLANNING: A MODIFIED RECEDING HORIZON APPROACH FOR REACHING GOAL STATES", "date": "2016", "keywords": "goal; horizon; motion; planning; problem; robot; time", "summary": "This paper proposes the real-time implementation of an algorithm for collision-free motion planning based on a receding horizon approach, for the navigation of a team of mobile robots in the presence of obstacles of different shapes. Introduction The control of mobile robots is a long-standing subject of research in the robotics domain.", "mime": "application/pdf"}, {"id": "ap-3441", "words": "6654", "extension": ".pdf", "flesch": "53", "author": "Genter, Katie; Stone, Peter", "title": "AD HOC TEAMWORK BEHAVIORS FOR INFLUENCING A FLOCK", "date": "2016", "keywords": "agent; algorithm; behavior; flock; lookahead; neighbors; orientation; step; time", "summary": "Instead, we pair influencing agents that share some neighbors. Additionally, even when a pair of influencing agents shared one or more neighbors, these influencing agents often behaved similarly, and hence did not exert significantly different types of influence.", "mime": "application/pdf"}, {"id": "ap-3444", "words": "3998", "extension": ".pdf", "flesch": "57", "author": "\u010carnogursk\u00e1, M\u00e1ria; Dob\u00e1kov\u00e1, Romana; P\u0159\u00edhoda, Miroslav", "title": "APPLICATION OF DIMENSIONAL ANALYSIS IN HEAT LOSS DETERMINING IN DISTRICT HEATING SYSTEMS", "date": "2016", "keywords": "flow; heat; heat loss; loss; temperature; water", "summary": "Dimensional analysis enables a new point of view that demonstrated the functionality of heat loss from selected physical quantities that contribute to heat loss. Transforming these criteria of similarity leads to the formulation of the functional dependence of only two criteria, on the basis of which the amount of heat loss can be determined.", "mime": "application/pdf"}, {"id": "ap-3447", "words": "11805", "extension": ".pdf", "flesch": "68", "author": "Haider, Usman; Bittnar, Zdenek; Kopecky, Lubom\u00edr; \u0160milauer, V\u00edt; Pokorny, Jaroslav; Zaleska, Martina; Pro\u0161ek, Zdenek; Hrbek, Vladim\u00edr", "title": "DETERMINING THE ROLE OF INDIVIDUAL FLY ASH PARTICLES IN INFLUENCING THE VARIATION IN THE OVERALL PHYSICAL, MORPHOLOGICAL, AND CHEMICAL PROPERTIES OF FLY ASH", "date": "2016", "keywords": "analyses; chemical; coal; d\u011btmarovice; edx; elements; fig; fly; fly ashes; images; ledvice; m\u011bln\u00edk; particles; percentages; po\u010derady; present; properties", "summary": "The chemical composition of fly ashes is usually measured with the help of XRF analyses which give the average values of chemical composition and es- timate that coal fly ash typically contains a high percentage of elements such as Si, Al, Ca, and Fe in it and relatively low percentages of heavy metals such as Cu, Zn, Pb, Hg with some rare earth ele- ments Phase-chemical and chemical composition of coal fly ashes as a basis for their multicomponent utilization.", "mime": "application/pdf"}, {"id": "ap-3448", "words": "4540", "extension": ".pdf", "flesch": "53", "author": "Goremikins, Vadims; Blesak, Lukas; Novak, Josef; Wald, Frantisek", "title": "EXPERIMENTAL METHOD ON INVESTIGATION OF FIBRE REINFORCED CONCRETE AT ELEVATED TEMPERATURES", "date": "2016", "keywords": "concrete; fig; heating; specimens; steel; temperature; test; testing", "summary": "Currently, a lack of information considering tensile and post cracking behaviour of FRC at elevated temperatures is an issue to be faced. Keywords: temperature distribution; elevated temperature; four-point bending test; compressive and tensile tests.", "mime": "application/pdf"}, {"id": "ap-3453", "words": "3822", "extension": ".pdf", "flesch": "68", "author": "Kawohl, Anne Katherine; Lange, J\u00f6rg", "title": "TESTS ON 10.9 BOLTS UNDER COMBINED TENSION AND SHEAR", "date": "2016", "keywords": "bolts; fire; shear; tests", "summary": "The above-mentioned reduction factors for bolt strength at elevated temperatures are based on an extensive series of tests by Kirby [4] on bolts of property class 8.8. There was less strength loss with pure shear tests.", "mime": "application/pdf"}, {"id": "ap-3454", "words": "3785", "extension": ".pdf", "flesch": "57", "author": "Li\u0161kov\u00e1, Anna; Lackov\u00e1, Petra; Mihalikov\u00e1, M\u00e1ria; Ko\u010di\u0161ko, R\u00f3bert", "title": "IMPACT OF PLASTIC DEFORMATION ON THE PROPERTIES OF A SELECTED ALUMINIUM ALLOY", "date": "2016", "keywords": "alloy; aluminium; deformation; ecap; figure; fracture; plastic; state", "summary": "They are generally present in Al alloys aged to maxi- mum hardness; \u03b2\u2032 are rod-shaped precipitates with a hexagonal structure and are found in overegged speci- mens; \u03b2 (Mg2Si) is an equilibrium phase in the pre- cipitation sequence. Keywords: intensive plastic deformation; aluminium alloy; tensile test.", "mime": "application/pdf"}, {"id": "ap-3455", "words": "5821", "extension": ".pdf", "flesch": "66", "author": "Quan, Guan; Huang, Shan-Shan; Burgess, Ian", "title": "PARAMETRIC STUDIES ON THE COMPONENT-BASED APPROACH TO MODELLING BEAM BOTTOM FLANGE BUCKLING AT ELEVATED TEMPERATURES", "date": "2016", "keywords": "beam; buckling; deflection; fig; flange; flange buckling; model; shear", "summary": "The Cardington fire tests [4] indicated that beam- web shear buckling, as well as beam bottom-flange buckling, near to the ends of steel beams, is very prevalent under fire conditions, as shown in Fig. Conclusions This paper has briefly reviewed an analytical model proposed to predict the post-buckling behaviour of the end-zones of steel beams at elevated temperatures.", "mime": "application/pdf"}, {"id": "ap-3457", "words": "7369", "extension": ".pdf", "flesch": "73", "author": "H\u00e1kov\u00e1, Lenka; Hrivn\u00e1k, Ji\u0159\u00ed; Motlochov\u00e1, Lenka", "title": "ON CUBATURE RULES ASSOCIATED TO WEYL GROUP ORBIT FUNCTIONS", "date": "2016", "keywords": "cubature; formulas; functions; group; integration; jacobi; orbit; polynomials; roots; weyl", "summary": "Weyl group orbit functions The definition of Weyl group orbit function uses the notion of a sign homomorphisms \u03c3t : W 7\u2192 \u00b11, where Figure 1. Keywords: Weyl group orbit functions; Jacobi polynomials; cubature formulas.", "mime": "application/pdf"}, {"id": "ap-346", "words": "6175", "extension": ".pdf", "flesch": "55", "author": "Jokl, M. V.", "title": "The Danger of Toxic Substances", "date": "2002", "keywords": "air; building; carbon; concentration; formaldehyde; gases; nitrogen; ozone; smoke; substances", "summary": "Exhaust fumes from diesel engines produce in addition to NOx and other toxic agents, 3-nitrobenzatrone, which is the most carcinogenic agent discovered so far. 2 Impact of toxic gases on the human organism Toxic strain depends on the kind of toxic agent (noxa) \u2013 each one usually has a specific impact on the human body (Fig. 2).", "mime": "application/pdf"}, {"id": "ap-3470", "words": "5379", "extension": ".pdf", "flesch": "56", "author": "Vr\u00e1na, Tom\u00e1\u0161; Brad\u00e1\u010d, Josef; Kovanda, Jan", "title": "ELASTO-KINEMATIC COMPUTATIONAL MODEL OF SUSPENSION WITH FLEXIBLE SUPPORTING ELEMENTS", "date": "2016", "keywords": "angle; elasto; elements; figure; flexibility; kinematic; mbs; model; subframe; suspension; toe", "summary": "Validation of inertia moments of suspension supporting elements Moments of inertia of supporting elements calculated from geometrical models in Hypermesh have been verified by experimental measurements on so-called torsion hanger [9]. doi:10.1007/978-94-007-5404-1. 155 http://dx.doi.org/10.1007/978-3-658-05068-9 http://dx.doi.org/10.1007/978-3-540-68553-1 http://dx.doi.org/10.1016/S0168-874X(98)00070-5 http://dx.doi.org/10.1007/978-3-540-89315-8 http://dx.doi.org/10.1016/j.mechmachtheory.2005.11.003 http://dx.doi.org/10.1115/1.2826715 http://dx.doi.org/10.1243/095440703322114915 http://www.altairuniversity.com/14225-practical-aspects-of-multi-body-simulation-with-hyperworks-free-book/ http://www.altairuniversity.com/14225-practical-aspects-of-multi-body-simulation-with-hyperworks-free-book/ http://www.altairuniversity.com/14225-practical-aspects-of-multi-body-simulation-with-hyperworks-free-book/ http://dx.doi.org/10.1007/978-94-017-0287-4 http://www.altairhyperworks.com/ClientCenterHWTutorialDownload.aspx http://www.altairhyperworks.com/ClientCenterHWTutorialDownload.aspx http://dx.doi.org/10.1007/978-94-007-5404-1 Acta Polytechnica 56(2):147\u2013155, 2016 1 Introduction 2 MBS model in HyperWorks 3 MBS computational model of independent suspension 3.1 Creation of MBS model 3.2 Flexible models of suspension supporting elements 3.3 Creation of interface nodes 4 Simulations computations 5 Validation of MBS model 5.1 Validation of inertia moments of suspension supporting elements 5.2 Experimental measurement 6 Results and discussion 6.1 Effect of supporting elements flexibility during wheel vertical motion 6.2 Effect of supporting elements flexibility during action of side force 6.3 Effect of supporting elements flexibility during action of longitudinal force 7 Conclusion References", "mime": "application/pdf"}, {"id": "ap-348", "words": "2377", "extension": ".pdf", "flesch": "65", "author": "Kreidl, M.; Houfek, P.", "title": "Using the Correlation Function in Ultrasonic Non-destructive Testing", "date": "2002", "keywords": "fig; noise; signal; \ufffd \ufffd", "summary": "\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffdR rT N x \ufffd \ufffd\ufffdSN dBef2 ef2 ef1 ef1 \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd20 log U N U N , (5) where Nef1 RMS value of the additive noise in the signal, Nef2 RMS value of noise included in the signal after application in a given algorithm, Uef1 RMS value of the ultrasonic signal, e.g., cor- responding to the flaw echo in the measured signal, Uef2 RMS value of the ultrasonic signal, when applying the tested algorithm.", "mime": "application/pdf"}, {"id": "ap-3483", "words": "9303", "extension": ".pdf", "flesch": "66", "author": "Grundland, Alfred Michel; Levi, Decio; Martina, Luigi", "title": "ON IMMERSION FORMULAS FOR SOLITON SURFACES", "date": "2016", "keywords": "formula; function; gauge; immersion; lsp; matrix; soliton; surfaces; symmetries; symmetry; zcc", "summary": "The problem of constructing integrable surfaces associated with the CPN\u22121 models and their deformations under various types of dynam- ics have generated a great deal of interest over the past decades [35] providing a formula for the immersion of integrable surfaces which are extensively used in the literature (see e.g. 190 vol.", "mime": "application/pdf"}, {"id": "ap-3486", "words": "5344", "extension": ".pdf", "flesch": "44", "author": "Volf, Petr; Kut\u00edlek, Patrik; Hozman, Ji\u0159\u00ed; \u010cern\u00fd, Rudolf; Koukol\u00edk, Tom\u00e1\u0161; Hejda, Jan", "title": "SYSTEM FOR MEASURING KINEMATICS OF VESTIBULAR SYSTEM MOVEMENTS IN NEUROLOGICAL PRACTICE", "date": "2016", "keywords": "accelerations; gyro; head; labyrinth; left; movement; plate; right; rotation; system", "summary": "Keywords: kinematics, vestibular system, head movement, gyroscope, accelerometer. Even though these systems are com- monly used for vestibular system examinations, they are not able to detect its movements directly.", "mime": "application/pdf"}, {"id": "ap-3487", "words": "5450", "extension": ".pdf", "flesch": "62", "author": "Sovj\u00e1k, Radoslav; M\u00e1ca, Petr; Imlauf, Tom\u00e1\u0161", "title": "EFFECT OF FIBRE ASPECT RATIO AND FIBRE VOLUME FRACTION ON THE EFFECTIVE FRACTURE ENERGY OF ULTRA-HIGH-PERFORMANCE FIBRE-REINFORCED CONCRETE", "date": "2016", "keywords": "aspect; concrete; energy; fibre; fracture; uhpfrc; volume", "summary": "[15] and Sovj\u00e1k et al. This paper investigates the effective fracture energy of UHPFRC with various fibre volume fractions and various fibre aspect ratios.", "mime": "application/pdf"}, {"id": "ap-3488", "words": "6260", "extension": ".pdf", "flesch": "73", "author": "Dong, Youwei; Rahmani, Ahmed", "title": "FORMATION CONTROL OF MULTIPLE UNICYCLE-TYPE ROBOTS USING LIE GROUP", "date": "2016", "keywords": "configuration; control; formation; frame; group; lie; robot; unicycle", "summary": "Lie algebra application to mobile robot control: a tutorial. [xI , yI ]T position of robot in frame FI gi \u2208 SE(2) configuration of local frame attached to robot- i relative to frame FI gij configuration of robot-j relative to the local frame attached to robot-i g\u0304ij desired configuration of robot-j relative to robot-i B = (0, r) the centre of a circle of which the radius is |r| A = [x, y]T position of robot gi in frame O\u2032X", "mime": "application/pdf"}, {"id": "ap-3490", "words": "8255", "extension": ".pdf", "flesch": "60", "author": "Mansouri, Masoumeh; Andreasson, Henrik; Pecora, Federico", "title": "HYBRID REASONING FOR MULTI-ROBOT DRILL PLANNING IN OPEN-PIT MINES", "date": "2016", "keywords": "constraints; decision; drill; figure; machine; mission; motion; planning; problem; robot; sequencing; solver; sub; targets", "summary": "Machine Allocation Sub-problem Each possible solu- tion has complex ramifications on other sub-problems: different allocations will affect the amount of coordi- nation necessary; allocations must be such that the final mission of a machine is not surrounded by piles (drilled by other machines), which would make it im- possible to navigate to its final parking pose.", "mime": "application/pdf"}, {"id": "ap-3491", "words": "5176", "extension": ".pdf", "flesch": "56", "author": "Cabov\u00e1, Kamila; Wald, Franti\u0161ek", "title": "VERIFICATION AND VALIDATION OF NUMERICAL MODEL OF FIRE AND SMOKE DEVELOPMENT IN RAILWAY TUNNEL", "date": "2016", "keywords": "fds; fire; flow; gas; mesh; model; numerical; results; temperature; tunnel; verification", "summary": "Verification of numerical model of fire and smoke development in railway tunnel. [17] Rhodes, N. CFD modelling of tunnel fires, Chapter 15 in Handbook of Tunnel Fire Safety, 2nd edition, ICE Publishing, London, UK, p. 329-346, doi: 10.1680/htfs.41530.329 [18] Silva, J.C. and Landesmann, A. Performance-based analysis of steel-concrete composite floor exposed to fire, Journal of Constructional Steel Research, Vol. 83, pp. 117-126, doi:10.1016/j.jcsr.2013.01.009", "mime": "application/pdf"}, {"id": "ap-3493", "words": "3847", "extension": ".pdf", "flesch": "71", "author": "De Bie, Hendrik; Genest, Vincent Xavier; Lemay, Jean-Michel; Vinet, Luc", "title": "A SUPERINTEGRABLE MODEL WITH REFLECTIONS ON S^3 AND THE RANK TWO BANNAI-ITO ALGEBRA", "date": "2016", "keywords": "algebra; bannai; ito; model; polynomials", "summary": ", c2n\u22121 commuting with H, that is [H, ci] = 0 for i = 1, . . . = ( 1 2 + \u00b5jRj + \u00b5kRk + ( iJjk + \u00b5j sk sj Rj \u2212 \u00b5k sj sk Rk ) k\u220f l=j+1 Rl ) RjRk, 1 \u2264 j < k \u2264 4, (2.3) can easily be verified to commute with H on the 3-sphere and are thus conserved.", "mime": "application/pdf"}, {"id": "ap-350", "words": "3128", "extension": ".pdf", "flesch": "57", "author": "\u010cepek, A.", "title": "The GNU GaMa Project - Adjustment of Geodetic Networks", "date": "2002", "keywords": "adjustment; free; gama; gnu; project; software; xml", "summary": "Our primary platform is GNU/Linux, and to help our users to use GaMa adjustment we have been run- ning a mail-server and a web interface (WebGaMa) based on the PHP scripting language. 2 About GNU GaMa The GaMa project (the acronym comes from Geodesy and Mapping) provides free software written in C++, released under the terms of the GNU General Public Licence", "mime": "application/pdf"}, {"id": "ap-3502", "words": "2725", "extension": ".pdf", "flesch": "57", "author": "Znojil, Miloslav", "title": "IS PT-SYMMETRIC QUANTUM THEORY FALSE AS A FUNDAMENTAL THEORY?", "date": "2016", "keywords": "hilbert; phys; quantum; space; theory", "summary": "Rev. Lett. 112, 130404 (2014)) that the \u201crecent extension of quantum theory to non-Hermitian Hamiltonians\u201d (which is widely known under the nickname of \u201cPT -symmetric quantum theory\u201d) is \u201clikely false as a fundamental theory\u201d. By their opinion their results \u201cessentially kill any hope of PT -symmetric quantum theory as a fundamental theory of nature\u201d.", "mime": "application/pdf"}, {"id": "ap-3503", "words": "4817", "extension": ".pdf", "flesch": "46", "author": "\u0160\u00e1cha, Jan; Sn\u011bhota, Michal; Hovind, Jan", "title": "A QUANTITATIVE EVALUATION OF THE WATER DISTRIBUTION IN A SOIL SAMPLE USING NEUTRON IMAGING", "date": "2016", "keywords": "beam; content; correction; image; imaging; method; neutron; sample; thickness; water; water content", "summary": "Studies [13, 14] have noted the difference between the NI-derived water content and the results of gravimetric measurements of water content. In situ neutron radiography of lithium-ion batteries: the gas evolution on graphite electrodes during the charging, Journal of Power Sources, 130(1-2), 221-226, doi:10.1016/j.jpowsour.2003.11.065 393 http://dx.doi.org/10.1016/j.nima.2012.12.112 http://dx.doi.org/10.1016/j.phpro.2013.03.002 http://dx.doi.org/10.1111/j.1475-4754.2006.00244.x http://dx.doi.org/10.1016/j.jpowsour.2003.11.065 Jan \u0160\u00e1cha, Michal Sn\u011bhota, Jan Hovind Acta Polytechnica [7] Prazak, J., J. Tywoniak, F. Peterka, and T. Slonc (1990), Description of transport of liquid in porous-media - a study based on neutron radiography data, International Journal of Heat and Mass Transfer, 33(6), 1105-1120, doi:10.1016/0017-9310(90)90244-O [8] Moradi, A. B., A. Carminati, D. Vetterlein, P. Vontobel, E. Lehmann, U. Weller, J. W. Hopmans, H. J. Vogel, and S. E. Oswald (2011), Three-dimensional visualization and quantification of water content in the rhizosphere, New Phytologist, 192(3), 653-663, doi:10.1111/j.1469-8137.2011.03826.x [9] Beer (1852) Bestimmung der Absorption des rothen Lichts in farbigen Fl\u00fcssigkeiten (Determination of the absorption of red light in colored liquids), Annalen der Physik und Chemie, vol. 86, pp.", "mime": "application/pdf"}, {"id": "ap-3506", "words": "4859", "extension": ".pdf", "flesch": "58", "author": "Gazeau, Jean-Pierre", "title": "COVARIANT INTEGRAL QUANTIZATIONS AND THEIR APPLICATIONS TO QUANTUM COSMOLOGY", "date": "2016", "keywords": "affine; gazeau; group; j.-p; operator; quantization; quantum; space; weyl", "summary": "Keywords: integral quantization; covariance; POVM; affine group; Weyl-Heisenberg group; coherent states; FRW model; smooth bouncing. Integral quantization: general setting and POVM Let (X, \u03bd) be a measure space.", "mime": "application/pdf"}, {"id": "ap-3509", "words": "4203", "extension": ".pdf", "flesch": "77", "author": "Szajewska, Marzena; Tereszkiewicz, Agnieszka", "title": "TWO-DIMENSIONAL HYBRIDS WITH MIXED BOUNDARY VALUE PROBLEMS", "date": "2016", "keywords": "b(x; boundary; functions", "summary": "C2 case From the projection matrix PC2 (1) and the branching rule (2) we find two separation constants \u2212k2 1 and \u2212k2 2, which have a form \u2212k2 1 = \u22122(a+ b)2\u03c02, w2 \u2212 k2 1 = 2b2\u03c02, \u2212k2 2 = \u22122b2\u03c02, w2 \u2212 k2 2 Noting that k2 1 = w2 \u2212 k2 2, as a separation constant we take \u2212k2 = \u22122(a+ b)2\u03c02, w2 \u2212 k2 = 2b2\u03c02.", "mime": "application/pdf"}, {"id": "ap-3511", "words": "4648", "extension": ".pdf", "flesch": "73", "author": "H\u00e1kov\u00e1, Lenka; Tereszkiewicz, Agnieszka", "title": "ON GENERALIZATION OF SPECIAL FUNCTIONS RELATED TO WEYL GROUPS", "date": "2016", "keywords": "characters; functions; groups; weyl; \u22121 \u22121", "summary": "Weyl group orbit functions are defined in the context of Weyl groups of simple Lie algebras. Weyl group orbit functions The standard way of defining four families of orbit functions uses the concept of sign homomorphisms, i.e., mappings \u03c3 : W \u2192 {\u00b11}.", "mime": "application/pdf"}, {"id": "ap-3517", "words": "5431", "extension": ".pdf", "flesch": "68", "author": "Hrivnak, Jiri; Motlochova, Lenka", "title": "ON CONNECTING WEYL-ORBIT FUNCTIONS TO JACOBI POLYNOMIALS AND MULTIVARIATE (ANTI)SYMMETRIC TRIGONOMETRIC FUNCTIONS", "date": "2016", "keywords": "cos; functions; lie; orbit; polynomials; sin; weyl", "summary": "[6] L. H\u00e1kov\u00e1, J. Hrivn\u00e1k, J. Patera, Four families of Weyl group orbit functions of B3 and C3, J. Math. Formulas for connection between the four types of orbit functions of Bn or Cn and the (anti)symmetric multivariate cosine and sine functions are explicitly derived.", "mime": "application/pdf"}, {"id": "ap-3518", "words": "5088", "extension": ".pdf", "flesch": "61", "author": "Wen, Wei; Khatibi, Siamak", "title": "BACK TO BASICS: TOWARDS NOVEL COMPUTATION AND ARRANGEMENT OF SPATIAL SENSORY IN IMAGES", "date": "2016", "keywords": "computation; domain; figure; grid; images; intensity; method; orbit; pixel; processing; sensor; square", "summary": "We believe that the orbit domain image processing has a great potential to be the standard processing for hexagonal images. The similarity of the grid in the funda- mental domain of a certain orbit function from Weyl group to the grid of hexagonal images makes the orbit functions interesting for the hexagonal computation in which it becomes possible to process hexagonal images without any further transformation.", "mime": "application/pdf"}, {"id": "ap-352", "words": "7188", "extension": ".pdf", "flesch": "50", "author": "Nov\u00e1k, M.; Faber, J.; Votruba, Z.; P\u0159enosil, V.; Tich\u00fd, T.; Svoboda, P.; Tatarinov, V.", "title": "Reliability of Human Subject - Artificial System Interactions", "date": "2002", "keywords": "attention; interaction; micro; operator; reliability; sleep; subject; system; time; vol; \ufffd \ufffd", "summary": "However, as concerns the reliability of interactions between human subjects and artificial systems, only the last approach seems truly able to minimize the frequency of system operation failures caused by human error and failure \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ 31 Acta Polytechnica Vol. 42 No. 3/2002 Reliability of Human Subject \u2013 Artificial System Interactions M. Nov\u00e1k, J. Faber , Z. Votruba, V. P\u0159enosil, T. Tich\u00fd, P. Svoboda, V. Tatarinov Main problems related to reliability of interaction between human subject and artificial system (namely of the transportation character) are discussed. All these factors combine, with the result that the reliability of human subject \u2013 artificial system interaction is limited, above all from the human side.", "mime": "application/pdf"}, {"id": "ap-3521", "words": "6458", "extension": ".pdf", "flesch": "53", "author": "Med, Michal; Sou\u010dek, Petr", "title": "ANALYSIS AND IMPLEMENTATION OF APPLICATION SCHEMAS FOR THE INSPIRE BUILDINGS THEME", "date": "2016", "keywords": "application; buildings; data; feature; implementation; information; inspire; metadata; schemas; services; theme; xml", "summary": "Publication of INSPIRE data The whole implementation process will escalate with the publication of data according to Commission Reg- ulations No. 976/2009 of 19th October 2009 and No. 1311/2014 of 10th December 2014, amending Regulation No. 976/2009. Services Two kinds of services are required for the publica- tion of INSPIRE data \u2013 Download Services and View Services.", "mime": "application/pdf"}, {"id": "ap-3524", "words": "5918", "extension": ".pdf", "flesch": "60", "author": "Levi, Decio; Rodriguez, Miguel A.", "title": "ON THE CONSTRUCTION OF PARTIAL DIFFERENCE SCHEMES II: DISCRETE VARIABLES AND SCHWARZIAN LATTICES", "date": "2016", "keywords": "difference; equation; hyn; invariant; lattice", "summary": "\u2212 hym(un+1,m \u2212 un,m)\u2212 \u03c3yn(un,m+1 \u2212 un,m) hxnh y m \u2212 \u03c3xm\u03c3 y n ) \u2212 \u03c3yn (hym+1(un+1,m+1 \u2212 un,m+1)\u2212 \u03c3yn(un,m+2 \u2212 un,m+1) hxnh y m+1 \u2212 \u03c3xm+1\u03c3 y n \u2212 hym(un+1,m \u2212 un,m)\u2212 \u03c3yn(un,m+1 \u2212 un,m) hxnh y m \u2212 \u03c3xm\u03c3 y n )]( hxnh y m \u2212 \u03c3xm\u03c3yn )\u22121 \u2212 (hym(un+1,m \u2212 un,m)\u2212 \u03c3yn(un,m+1 \u2212 un,m))2 (hxnh y m \u2212 \u03c3xm\u03c3 y n)2 = 0. (27) 240 vol. Let us construct using the formulas introduced in the previous section the discrete scheme which preserves the point symmetries of the potential Burgers equation uy \u2212 uxx \u2212 u2 x = 0. (19)", "mime": "application/pdf"}, {"id": "ap-3526", "words": "5601", "extension": ".pdf", "flesch": "67", "author": "Vogel, Filip; Hol\u010dapek, Ond\u0159ej; Konvalinka, Petr", "title": "RESPONSE OF HIGH-PERFORMANCE FIBRE REINFORCED CONCRETE REINFORCED BY TEXTILE REINFORCEMENT TO IMPACT LOADING", "date": "2016", "keywords": "deflection; energy; hpfrc; impact; reinforcement; samples; textile; trhpfrc", "summary": "The HPFRC samples were absorbed in average 64.03 % of impact energy, which is almost two times higher value than in the case of TRHPFRC samples. The HPFRC samples absorbed in average 64.03% of impact energy, which is almost two times higher value, than in the case of TRHPFRC samples.", "mime": "application/pdf"}, {"id": "ap-3537", "words": "4350", "extension": ".pdf", "flesch": "60", "author": "Likhonina, Raissa", "title": "FINITE ELEMENT MODELLING AND SIMULATION OF VEHICLE IMPACT ON STEEL SAFETY BARRIERS", "date": "2016", "keywords": "barriers; crash; impact; jsam-2; jsnh4; safety; simulation; tests; vehicle", "summary": "And the authors of such publications have come to a similar conclusion that FEA simulation is a very helpful tool for design and construction as well as for testing of crash barriers. Moreover, the calculation results can be used to design and test new and completely innovative types of crash barriers.", "mime": "application/pdf"}, {"id": "ap-354", "words": "3893", "extension": ".pdf", "flesch": "66", "author": "\u0160ulc, B.; Jan, J. A.", "title": "Non Linear Modelling and Control of Hydraulic Actuators", "date": "2002", "keywords": "control; fig; oil; \ufffd \ufffd", "summary": "Fuzzy controllers have the disadvantage that it is difficult to tune the large number of parameters, in contrast to the proportional derivative (PD) controller, which can be expres- sed by the equation: u K e K ePD P D\ufffd \ufffd \ufffd (11) where uPD is the control signal, e the control error, and the constants KP, KD represent proportional and derivate constants. We used the logical operator OR with max function as given below: \ufffdy x x\ufffd \ufffdmax , ,1 2 In our case we had one output and five rules.", "mime": "application/pdf"}, {"id": "ap-3555", "words": "4245", "extension": ".pdf", "flesch": "61", "author": "Senk, Josef; Jakubova, Ivana; Laznickova, Ilona", "title": "ANALYSIS OF INTENSIVELY BLASTED ELECTRIC ARC BURNING IN THE ARC HEATER'S ANODE CHANNEL", "date": "2016", "keywords": "anode; arc; cathode; channel; flow; power; voltage", "summary": "(6) Solving the equation system in the mash step by step gives axial dependences of arc temperature TA(z), electric field intensity E(z), Mach number Ma(z), power loss Pl(z), voltage UA(z) and finally, at the end, the total arc voltage UA(zL) and Pl(zL) as sums of individual increments. As could be expected, for higher arc currents, the conditions for the arc burning are built in a closer vicinity of the cathode and the arc temperature is higher.", "mime": "application/pdf"}, {"id": "ap-3559", "words": "5225", "extension": ".pdf", "flesch": "55", "author": "Topi\u010d, Jaroslav; Pro\u0161ek, Zdenek", "title": "PROPERTIES AND MICROSTRUCTURE OF CEMENT PASTE INCLUDING RECYCLED CONCRETE POWDER", "date": "2017", "keywords": "cement; concrete; grains; materials; paste; properties; rcp; reference; samples; strength", "summary": "The resulting sample shrinkage was related to the length of 1 m and was only preliminary measurement carried out to verify the influence of increasing w/c ratios for RCP samples. A decrease of dynamic Young\u2019s and shear moduli for RCP samples was primarily caused by the lower density of old cement paste in the RCP and also impacted by higher water content.", "mime": "application/pdf"}, {"id": "ap-356", "words": "2310", "extension": ".pdf", "flesch": "51", "author": "\u0158\u00edmal, J.", "title": "Prague Loretto - Measurements of Moisture Content in Sculptural Group Material", "date": "2002", "keywords": "group; moisture; sandstone", "summary": "Only complete elimi- nation of excessive moisture sources can guarantee the success of any preservation or conservation interventions that will be needed on the sculptural group. Keywords: Prague Loretto, measurement of moisture fields, mass transport.", "mime": "application/pdf"}, {"id": "ap-358", "words": "2564", "extension": ".pdf", "flesch": "50", "author": "\u0158\u00edmal, J.", "title": "Measurement of Moisture Fields in the Bridge Structure of Charles Bridge", "date": "2002", "keywords": "bridge; charles; concrete; field; measurement; moisture; temperature", "summary": "Temperature field measurement was conducted independently throughout a one-year cycle. Temperature field measurements therefore had to be con- ducted parallel to moisture field measurements of the Charles bridge structure.", "mime": "application/pdf"}, {"id": "ap-360", "words": "6039", "extension": ".pdf", "flesch": "56", "author": "Hasal, P.; Krat\u011bna, J.; Fo\u0159t, I.", "title": "Frequency and Magnitude Analysis of the Macro-instability Related Component of the Tangential Force Affecting Radial Baffles in a Stirred Vessel", "date": "2002", "keywords": "blade; force; frequency; impeller; macro; vessel; \ufffd \ufffd", "summary": "The N-window extracts N consecutive elements from the series {\ufffdi *} to vector {\ufffdk *} \ufffd \ufffd \ufffd \ufffdk j S * *, , , , , ,\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd j k k N k N N\ufffd \ufffd1 1 1 (3) The set of vectors {\ufffdk *, k \ufffd 1, \u2026, m \ufffd(N\ufffd1)} resulting from repeated application of the N-window to the centred velocity data is then rearranged to a form of the so called trajectory matrix W \ufffd \ufffd \ufffdW= \ufffd \ufffd \ufffd1 2 N N T S * * *, , ,\ufffd \ufffd \ufffd1 . The frequency of occurrence of macro-instability related force component is also analysed.", "mime": "application/pdf"}, {"id": "ap-362", "words": "3015", "extension": ".pdf", "flesch": "49", "author": "Dobrovsk\u00e1, D.; Andres, P.", "title": "Technical Teachers and Technical Teacher Education - Research Results", "date": "2002", "keywords": "education; respondents; teacher; technical", "summary": "6 \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ Acta Polytechnica Vol. 42 No. 4/2002 4 Conclusions \ufffd to gain a \u201cfurther qualification\u201d or a \u201chigher income\u201d are leading motives for technical teachers to study teacher education, while \u201dinterest\u201d in pedagogical study is less common \ufffd most technical teachers have no previous experience with non-technical subjects \ufffd psychology is the most popular \u201chuman science\u201d chosen by technical teachers \ufffd most of the respondents agree that technical teacher edu- cation should be obligatory; some have no opinion about the problem \ufffd a timetable involving one day weekly is acceptable for most respondents, but they are not in consensus about the desirable length of the programme (ranging from 1 to 4 semesters) \ufffd most technical teachers consider that e-learning is not quite suitable for technical teacher education \ufffd most also believe that technical university teachers should take some complementary teacher education courses \ufffd some subjects studied in technical teacher education are more popular or are felt to be more useful; others are less popular or considered less useful. Answer Frequency yes 60 no 6 no opinion 32 other opinion 9 Fig. 11: Do you think technical teacher education should be ob- ligatory for technical university teachers?", "mime": "application/pdf"}, {"id": "ap-364", "words": "3036", "extension": ".pdf", "flesch": "58", "author": "\u010cervenka, M.; Bedna\u0159\u00edk, M.; Kon\u00ed\u010dek, P.", "title": "Temperature Effects in Acoustic Resonators", "date": "2002", "keywords": "\ufffd c; \ufffd d; \ufffd r; \ufffd t; \ufffd \ufffd", "summary": "The one-dimensional form of these equations with terms up to the 2nd order is presented here: Navier- -Stokes equation, see [1], \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 0 0 2 02 4 3 v t v t v x a a p x \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdx r x r v 1 2 2\ufffd \ufffd\ufffd \ufffd \ufffd\ufffd , (1) the continuity equation taking into account the boundary layer, see [2, 3], \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd t r x r v r x r v v x r 0 2 2 2 2 3 0 2 1 1 Pr \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 0 21 2 1 2 r v t x , (2) where the fractional derivative represents an integrodifferen- tial operator \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd 1 2 1 2 1f t f t t t t t d (3) and the thermodynamic state equation taking into account heat conductivity and mean temperature change, see [4], \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd p c c c c c r p V p 2 0 0 2 0 2 1 2 1 1 1 1 \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd 2 2\ufffd \ufffdx r v , (4) where \ufffd \ufffd\ufffd , p v, are acoustic density, pressure and velocity, p0 0 0, ,\ufffd \ufffd are equilibrium state pressure, density and tem- perature, \ufffd is mean temperature, \ufffd\ufffd \ufffd \ufffd \ufffd\ufffd, \ufffd a a t\ufffd is the driving acceleration, x is the spatial coordinate along the reso- nant cavity, t is time, \ufffd r r x\ufffd is radius of the resonator, \ufffd \ufffd c cVp is ratio of specific heats at constant pressure and volume, is the coefficient of thermal conduction, \ufffd0 is kinematic viscosity, \ufffd, \ufffd are the coefficients of bulk and shear viscosity, Pr is the Prandtl number, c0 is the small-signal sound speed due to equilibrium temperature \ufffd0 and c is the small-signal sound speed due to changed mean temperature defined as c c c2 0 2 0 0 2 0 1\ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd\ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd . 1 1 2 2 2 2 r x r x c t x a t \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd d d , (7) where \ufffd is velocity potential, v t\ufffd \ufffd\ufffd \ufffd .", "mime": "application/pdf"}, {"id": "ap-366", "words": "2737", "extension": ".pdf", "flesch": "61", "author": "B\u00e1lek, R.; \u0160legrov\u00e1, Z.", "title": "A Comparison of Acoustic Field Measurement by a Microphone and by an Optical Interferometric Probe", "date": "2002", "keywords": "frequency; laser; microphone; pressure; signal; \ufffd \ufffd", "summary": "1: System of coordinates The integral phase change (5) is in terms of plane waves equal to: \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffdz z A A z A At kL p t p t\ufffd \ufffd \ufffd \ufffd0 0 1 1 1 0 2 2 2sin sin , (7) or, more simply, \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffdz z zt t t\ufffd \ufffd1 2 (8) \ufffd \ufffd \ufffd \ufffd\ufffd z izt k p t\ufffd 0 , (9) where piz(t) is the integral value of the acoustic pressure. This holds in terms of the Raman-Nath diffraction regime, which is restricted by the Klein-Cook parameter Q and the Raman-Nath parameter \ufffd [1] within the bounds Q \ufffd 1 (1) and Q \ufffd \ufffd \ufffd 1. (2) The Q and \ufffd are defined as follows: Q L n \ufffd 2 0 \ufffd\ufffd \ufffd\ufffd (3) \ufffd \ufffd \ufffd \ufffd \ufffd 2 L n , (4) where \ufffd [m] is the laser light wavelength in a vacuum, \ufffd [m] is the acoustic wavelength in the interaction medium, n0 [-] is the refractive index in a medium without ultrasound, \ufffdn [-] is the amplitude of the refractive index changes and L", "mime": "application/pdf"}, {"id": "ap-368", "words": "6242", "extension": ".pdf", "flesch": "66", "author": "Kon\u00ed\u010dek, P.; Bedna\u0159\u00edk, M.; \u010cervenka, M.", "title": "Propagation of Quasi-plane Nonlinear Waves in Tubes", "date": "2002", "keywords": "equation; frequency; kzk; t \ufffd; velocity; z \ufffd; \ufffd b; \ufffd r; \ufffd v; \ufffd \ufffd", "summary": "The solution of the linearized GBE for the boundary con- dition \ufffd \ufffd \ufffd \ufffdv vz zm0, sin\ufffd \ufffd\ufffd\ufffd can be expressed as \ufffd \ufffd\ufffd \ufffd \ufffd \ufffdv v z zz zm\ufffd \ufffd \ufffd \ufffdexp sin\ufffd \ufffd \ufffd\ufffd \ufffdb b . (32) where \ufffd is the attenuation coefficient for the classical thermo- -viscous loss mechanism \ufffd \ufffd \ufffd \ufffd b c 2 0 0 32 (33) and the attenuation coefficient \ufffdb represents the losses due to the wall friction \ufffd \ufffdb \ufffd \ufffdB . The cut-off frequency of the first symmetric mode in a cir- cular waveguide is given by the formula f c k c Rm1 \ufffd \ufffd \ufffd0 1 0 02 2\ufffd \ufffd \ufffd \ufffd , (36) where k1 is the radial wave number of the first mode and \ufffd \ufffd\ufffd\ufffd \ufffd .38317 is the first zero point of the Bessel function derivative: \ufffd \ufffd\ufffd \ufffd \ufffdJ0 0\ufffd\ufffd .", "mime": "application/pdf"}, {"id": "ap-370", "words": "5727", "extension": ".pdf", "flesch": "59", "author": "S\u00fdkora, M.", "title": "Reliability Analysis of a Steel Frame", "date": "2002", "keywords": "analysis; buckling; extremes; reliability; snow; time; wind; \ufffd \ufffd", "summary": "The peak velocity pressure can be written as: \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdq z c z c z vbp g r\ufffd 2 21 2 \ufffd (5) where cg(z) (9) \ufffd \ufffdM Bg g Bs BwS,y roof frame\ufffd \ufffd \ufffd \ufffd837 809 1327. . .", "mime": "application/pdf"}, {"id": "ap-372", "words": "5176", "extension": ".pdf", "flesch": "59", "author": "Nov\u00e1k, J.", "title": "Analysis of Phase Evaluation Algorithms in an Interferometric Method for Static Deformation Measurement", "date": "2002", "keywords": "algorithms; b b; b \ufffd; measurement; phase; values \ufffd; \ufffd tan; \ufffd \ufffd", "summary": "The resulting error of phase values \ufffd\ufffd is then given by \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd\ufffd \ufffd \ufffd , (14) where are the calculated phase values and \ufffd\ufffd are the original phase values. The difference in computing time between \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ 39 Acta Polytechnica Vol. 42 No. 4/2002 A1: N \ufffd3, \ufffd \ufffd \ufffd 4 tan , , , , , , , , \ufffd\ufffd \ufffd \ufffd \ufffd a b a b a b a b 12 3 2 3 2 12 12 12 3 2 3 2 A2: N \ufffd3, \ufffd \ufffd \ufffd 2 \ufffd \ufffd \ufffd \ufffd tan , , , , , , , , , , \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd a b b b a a a b a a 1 3 2 3 12 1 3 2 3 12 1 3 1 3 2 3 1\ufffd \ufffd\ufffd \ufffd2 2 3 12b b, ,\ufffd A3: N \ufffd3, \ufffd \ufffd2 3\ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd tan , , , , , , , , , \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 3 3 3 2 12 1 3 3 2 12 1 3 3 2 3 2 12 a b b b a a a b a a\ufffd \ufffd\ufffd \ufffd1 3 12 1 3, , ,b b\ufffd A4: N \ufffd5, \ufffd \ufffd \ufffd 2 \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd tan , , , , , , , , , \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 2 2 4 3 1 3 5 2 4 3 1 3 5 3 1 3 5 3 1 3 b a a a b b a a b b\ufffd \ufffd, , ,5 2 4 2 44\ufffd a b A5: N \ufffd5, \ufffd \ufffd \ufffd 2 \ufffd \ufffd tan , , , , , , , , \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd7 3 3 3 34 2 1 3 5 3 12 5 4 4 2 1 3 5 3a b b b b b a a a\ufffd \ufffd\ufffd \ufffd \ufffd \ufffd 12 5 4 4 2 4 2 1 3 5 3 12 5 4 1 3 549 3 3 3 3 , , , , , , , , , , \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd a a b a a a a b b\ufffd \ufffd3 12 5 4\ufffd \ufffdb b, , A6: N \ufffd7, \ufffd \ufffd \ufffd 2 \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd tan , , , , , , , , \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd7 4 4 7 4 4 4 3 5 17 4 2 4 6 3 5 17 4 2 4 6b b a a a a b b \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd\ufffd \ufffda a b b a a b b4 2 4 6 4 2 4 6 3 5 17 3 5 174 4 4 7 7, , , , , , , ,\ufffd \ufffd \ufffd \ufffd \ufffd A7: N \ufffd7, \ufffd \ufffd \ufffd 3 \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd tan , , , , , , , , , \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd3 6 2 5 3 1 3 2 4 6 4 7 5 6 2 5 3 1 3a a b b b b b b a\ufffd \ufffd\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd a a a a a b b a a a a 2 4 6 4 7 5 6 2 5 3 6 2 5 3 1 3 2 4 6 43 , , , , , , , , , , \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd\ufffd \ufffd7 5 1 3 2 4 6 4 7 5, , , , ,b b b b\ufffd \ufffd \ufffd A8: N \ufffd9, \ufffd \ufffd \ufffd 4 \ufffd \ufffd\ufffd \ufffd tan , , , , , , , , , \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdb b b a a a a a a2 8 3 7 4 6 4 1 5 2 5 8 6 9 2 8 32 2\ufffd \ufffd\ufffd \ufffd \ufffd \ufffd 7 4 6 4 1 5 2 5 8 6 9 2 8 3 7 4 6 2 8 3 72 2 \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd a b b b b a a a b b , , , , , , , , , ,\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdb a a a a b b b b4 6 4 1 5 2 5 8 6 9 4 1 5 2 5 8 6 9, , , , , , , , , A9: N \ufffd11, \ufffd \ufffd \ufffd 2 \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd tan , , , , , , , \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd4 8 15 2 4111 9 3 5 7 2 4 10 8 6 4 6 8 1b b b a a a a a\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd, , , , , , , , , 11 9 3 5 7 2 4 10 8 6 4 6 8 111 9 3 8 15 2 8 1 \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd a a b b b b a a\ufffd \ufffd\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd5 8 15 16 25 7 111 9 3 5 7 2 4 10 8 6 4 6 8 2a b b b a a a a b, , , , , , , , ,\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd4 10 8 6 4 6 82\ufffd \ufffd \ufffdb b b, , , Table 3 the fastest three-step and the slowest eleven-step algorithm is approximately 25 %.", "mime": "application/pdf"}, {"id": "ap-3721", "words": "4333", "extension": ".pdf", "flesch": "52", "author": "Blesak, Lukas; Goremikins, Vadims; Wald, Frantisek; Sajdlova, Tereza", "title": "CONSTITUTIVE MODEL OF STEEL FIBRE REINFORCED CONCRETE SUBJECTED TO HIGH TEMPERATURES", "date": "2016", "keywords": "behaviour; concrete; crack; fibre; figure; material; model; sfrc; steel; stress", "summary": "This paper focuses on the last point \u2013 material model simulation. The tensile behaviour pattern of this material code is based on a stress-fracture strain defi- nition, not on fracture energy as other material models in ATENA are, whilst the material model formula- tion is based on the strain decomposition into elastic, plastic and fracturing components [14].", "mime": "application/pdf"}, {"id": "ap-374", "words": "7693", "extension": ".pdf", "flesch": "65", "author": "Proch\u00e1zka, P. P.; Kugblenu, M. G.", "title": "Certain Discrete Element Methods in Problems of Fracture Mechanics", "date": "2002", "keywords": "d \ufffd; r \ufffd; s \ufffd; \ufffd b; \ufffd c; \ufffd ij; \ufffd k; \ufffd p; \ufffd t; \ufffd u; \ufffd y; \ufffd \ufffd", "summary": "Assuming uniform distribution of the boundary quantities (displacements ui(x) and tractions pi(x), i 1, 2, and volume weight forces bi to be uniform in the domain \ufffd, and position- ing the points of observation \ufffd successively at the points \ufffds, which are the centers of the boundary abscissas of the hexago- nal elements, a simplified version of (1) is written as: \ufffd \ufffd \ufffd \ufffd1 2 1 2 1 u p u u p ss is k t i s ik i s ikd d\ufffd \ufffd \ufffd \ufffd\ufffd\ufffd \ufffd\ufffd * *, ,x x x x\ufffd \ufffd \ufffd\ufffd \ufffd \ufffd 6 1 2 1 2 1 6 \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd b u k t For displacements inside the element domain \ufffd it holds: \ufffd \ufffd \ufffd \ufffdu p u u p is k", "mime": "application/pdf"}, {"id": "ap-3756", "words": "10643", "extension": ".pdf", "flesch": "60", "author": "\u010cervinka, Jan; Kulh\u00e1nek, Robert; P\u00e1tek, Zden\u011bk", "title": "AN AIRPLANE WITH UNCONVENTIONALLY PLACED PROPELLER POWER UNIT", "date": "2017", "keywords": "ipi \ufffd; nrr \ufffd; propellers; \u2212 \ufffd; \ufffd c; \ufffd cec; \ufffd crrcec; \ufffd ofipi; \ufffd \u2212; \ufffd \ufffd", "summary": "1/2017 An Airplane with Unconventionally Placed Propeller Power Units \ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd CeC \ufffd\ufffd\ufffd\ufffdC\ufffd\ufffd\ufffd \ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd CeC \ufffd\ufffd\ufffd\ufffdC\ufffd\ufffd \ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd CeC \ufffd\ufffd\ufffd\ufffdC\ufffd\ufffd\ufffd\ufffd\ufffd \ufffd\ufffd\ufffdCRrCeC \ufffd\ufffd\ufffd\ufffdC\ufffd\ufffd\ufffd \ufffd\ufffd\ufffdCRrCeC \ufffd\ufffd\ufffd\ufffdC\ufffd\ufffd \ufffd \ufffd \ufffdnrR \ufffdnrn0. The increment 4CL0 \u2248 \ufffd \ufffd \ufffdI \ufffdTVo T TVo I IVo A \u2212\ufffd\ufffd \ufffdIT T IT AT \ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\u2212O\u2212\ufffd\ufffd\ufffd\ufffd\ufffd\u2212\ufffd\ufffd\ufffd \ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\u2212O\u2212\ufffd\ufffd\ufffd\ufffd\ufffd\u2212\ufffd\ufffd \ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\u2212O\u2212\ufffd\ufffd\ufffd\ufffd\ufffd\u2212\ufffd\ufffd\ufffd\ufffd\ufffd \ufffd\ufffd V\u2212I\u2212O\u2212\ufffd\ufffd\ufffd\ufffd\ufffd\u2212\ufffd\ufffd\ufffd \ufffd\ufffd V\u2212I\u2212O\u2212\ufffd\ufffd\ufffd\ufffd\ufffd\u2212\ufffd\ufffd \ufffd\ufffd V\u2212A\u2212O\u2212\ufffd\ufffd\ufffd\ufffd\ufffd\u2212\ufffd\ufffd\ufffd \ufffd\ufffd V\u2212A\u2212O\u2212\ufffd\ufffd\ufffd\ufffd\ufffd\u2212\ufffd\ufffd Figure 5.", "mime": "application/pdf"}, {"id": "ap-376", "words": "3294", "extension": ".pdf", "flesch": "67", "author": "Nov\u00e1k, J.", "title": "New Phase Shifting Algorithms Insensitive to Linear Phase Shift Errors", "date": "2002", "keywords": "algorithms; phase; shift; values \ufffd; \ufffd tan; \ufffd \ufffd", "summary": "From these phase calculation algorithms it is evident that firstly the phase values \ufffd \ufffd\ufffd\ufffd \ufffd \ufffdW \ufffd , must be determined and then the discontinuities in the phase data can be proper- ly unwrapped using suitable phase unwrapping procedures Then according to the sign of the expressions we can de- termine the wrapped phase values \ufffd \ufffd\ufffd\ufffd \ufffd \ufffdW \ufffd , .", "mime": "application/pdf"}, {"id": "ap-3762", "words": "3180", "extension": ".pdf", "flesch": "60", "author": "Yuferov, Vladimir; Shariy, Sergey; Tkachova, Tetiana; Katrechko, Vyacheslav; Svichkar, Alexander; Ilichova, Vira; Shvets, Mykhailo; Mufel, Evgen", "title": "CALCULATIONS OF ION TRAJECTORIES AT MAGNETOPLASMA SEPARATION AND EXPERIMENTS WITH POLYATOMIC GASES", "date": "2017", "keywords": "discharge; energy; figure; ionization; ions; plasma; snf; stage", "summary": "Calculations of molecular ions trajectories in SNF plasma rotated in EXH fields At the SNF heating [12] the amount of the FP can be significantly reduced due to removal of the FP with dissociation energy (\u03b5i) less than their own ionization energy (\u03c6i) and dissociation energy of uranium oxide (\u03b5): \u03b5i < \u03c6i < \u03b5. No. 5(93), pp.184-187. 77 Acta Polytechnica 57(1):71\u201377, 2017 1 Introduction 2 Calculations of molecular ions trajectories in SNF plasma rotated in EXH fields 3 Experiments with plasma of monatomic and polyatomic gases 4 Two-stage plasma source 5 Summary References", "mime": "application/pdf"}, {"id": "ap-3766", "words": "4945", "extension": ".pdf", "flesch": "58", "author": "Borduleva, Alena Olegovna; Bleykher, Galina Alekseevna; Sidelev, Dmitrii Vladimirovich; Krivobokov, Valeriy Pavlovich", "title": "MAGNETRON SPUTTERING WITH HOT SOLID TARGET: THERMAL PROCESSES AND EROSION", "date": "2016", "keywords": "energy; evaporation; heat; magnetron; power; rate; sputtering; surface; target; temperature", "summary": "Creating evaporation on the surface of a high-power pulsed magnetron target by insulating it thermally could be a way to increase the coating deposition rate, due to the fact that it occurs continuously, and the particles removed from the surface between pulses will not be involved in the ionization processes near the target. Sputtering yield increase with target temperature for Ar.", "mime": "application/pdf"}, {"id": "ap-3770", "words": "4145", "extension": ".pdf", "flesch": "59", "author": "J\u00edlkov\u00e1, Lenka; Hlin\u010d\u00edk, Tom\u00e1\u0161; Ciahotn\u00fd, Karel", "title": "DETERMINATION OF WATER CONTENT IN PYROLYTIC TARS USING COULOMETRIC KARL-FISHER TITRATION", "date": "2017", "keywords": "content; determination; fischer; karl; pyrolysis; tar; titration; water; water content", "summary": "Differentiation of rye and wheat flour as well as mixtures by using the kinetics of Karl Fischer water titration. Nano-encapsulation competitiveness of omega-3 fatty acids and correlations of thermal analysis and Karl Fischer water titration for European anchovy (Engraulis encrasicolus L.) oil/b-cyclodextrin complexes.", "mime": "application/pdf"}, {"id": "ap-3774", "words": "6885", "extension": ".pdf", "flesch": "60", "author": "Abdullah, Hikmat Najem; Abed, Hadeel Sami", "title": "IMPROVEMENT OF ENERGY CONSUMPTION IN SPECTRUM SENSING COGNITIVE RADIO NETWORKS USING AN EFFICIENT TWO STAGE SENSING METHOD", "date": "2017", "keywords": "consumption; detection; energy; energy consumption; method; performance; sensing", "summary": "Energy consumption is considered as a big problem in this technology, especially during a spectrum sensing. The theoretical analysis to calculate the amount of energy consumption, using the proposed method during sensing stage as well as the transmission stage during transmitting a local decision to the fusion center FC, are derived.", "mime": "application/pdf"}, {"id": "ap-378", "words": "4199", "extension": ".pdf", "flesch": "66", "author": "Proch\u00e1zka, P. P.; Kugblenu, M. G.", "title": "Application of Discrete Element Methods to the Problem of Rock Bumps", "date": "2002", "keywords": "bumps; coal; fig; gas; kpa; pn \ufffd; rock; \ufffd \ufffd", "summary": "A summary is published in [7], where it is pointed out that at failure rocks with a wide range of strengths approximately satisfy the fol- lowing equation: \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd A 1 2 , where \ufffd and \ufffd are the shear and normal stresses along the failure plane, \ufffd\ufffd is the rock tensile strength (note that tension is positive), 2\ufffd is a universal constant equal to 0.684 \u00b1 correctional term, and A is a material constant. AP02_04.vp 1 Introduction The arguments for using discrete element methods in- stead of methods defined on the continuum of the entire domain were discussed in a previous paper by the authors, [9].", "mime": "application/pdf"}, {"id": "ap-3782", "words": "3718", "extension": ".pdf", "flesch": "54", "author": "Oyedoh, Eghe A.; Ekwonu, Michael C.", "title": "EXPERIMENTAL INVESTIGATION ON CHROMIUM(VI) REMOVAL FROM AQUEOUS SOLUTION USING ACTIVATED CARBON RESORCINOL FORMALDEHYDE XEROGELS", "date": "2016", "keywords": "acrf; adsorption; carbon; chemical; chromium; chromium(vi; cr(vi; effect; ions; isotherm; metal", "summary": "Other functional groups may also be involved in metal ions adsorption. Adsorption isotherms Experimental data obtained from the batch tests were analyzed using the Langmuir and Freundlich isotherms to determine the isotherm model that described the experimental data more accurately.", "mime": "application/pdf"}, {"id": "ap-3788", "words": "4605", "extension": ".pdf", "flesch": "54", "author": "Vagenknechtov\u00e1, Alice; Ciahotn\u00fd, Karel; Vrbov\u00e1, Veronika", "title": "SILOXANES REMOVAL FROM BIOGAS USING ACTIVATED CARBON", "date": "2017", "keywords": "adsorbents; adsorption; apparatus; biogas; carbon; compounds; removal; separation; siloxanes; substances; testing", "summary": "For siloxane removal from biogas, its adsorption on activated carbon is often used. Using laboratory apparatus and biogas produced from waste-water treatment sludge at the wastewater treatment plant Prague Bubene\u010d various activated carbons were tested for siloxane removal and their adsorption capacities for siloxanes were estimated, and the adsorbent cost relative to 1 kg of siloxanes removed from biogas were calculated.", "mime": "application/pdf"}, {"id": "ap-3794", "words": "8134", "extension": ".pdf", "flesch": "82", "author": "Mas\u00e1kov\u00e1, Zuzana; Pelantov\u00e1, Edita; Starosta, \u0160t\u011bp\u00e1n", "title": "ITINERARIES INDUCED BY EXCHANGE OF THREE INTERVALS", "date": "2016", "keywords": "x \u2208", "summary": "Given letters X,Y, Z \u2208 {A,B,C} and a finite word w \u2208 {A,B,C}\u2217, let \u03c9XY\u2192Z(w) be the set of words obtained from w re- placing one factor XY by the letter Z, i.e., \u03c9XY\u2192Z(w) = {w1Zw2 : w = w1XY w2 }. Under the name three gap theorem one usually refers to the description of gaps between neighbouring elements of the set G(\u03b1, \u03b4) := { n \u2208 N : {n\u03b1} < \u03b4 } \u2282 N, where \u03b1 \u2208 R \\Q, \u03b4 \u2208 (0, 1), see [15].", "mime": "application/pdf"}, {"id": "ap-380", "words": "3207", "extension": ".pdf", "flesch": "62", "author": "Fo\u0159t, I.; Jirout, T.; Sperling, R.; Jambere, S.; Rieger, F.", "title": "Study of Pumping Capacity of Pitched Blade Impellers", "date": "2002", "keywords": "blade; impeller; pumping; \ufffd \ufffd", "summary": ", H T \ufffd 055 10. ; . , \ufffd \ufffd \ufffd \ufffd15 60; , 4 baffles b T \ufffd01. , Re .M \ufffd \ufffd10 104. 2: Sketch of pitched blade impellers with three or six blades \u2013 Czech Standard CVS 691020 (a/ nB \ufffd 3: \ufffd \ufffd 24\u00b0, 35\u00b0, 45\u00b0, b/ nB \ufffd 6: \ufffd \ufffd 45\u00b0, h/D \ufffd 0.2) Fig.", "mime": "application/pdf"}, {"id": "ap-3803", "words": "3578", "extension": ".pdf", "flesch": "55", "author": "Vannucchi de Camargo, Felipe; Marcos Guilherme, Carlos Eduardo; Fragassa, Cristiano; Pavlovic, Ana", "title": "CYCLIC STRESS ANALYSIS OF POLYESTER, ARAMID, POLYETHYLENE AND LIQUID CRYSTAL POLYMER YARNS", "date": "2016", "keywords": "fatigue; figure; loading; materials; mooring; resistance; tests; yarns; ybl", "summary": "Always supported by proper standard test- ing regulations for the scale chosen (i.e. fibre, strand, sub cable), the discovery of a constant or function that defines the change in fatigue resistance through the number of yarns associated on it, would be a great gain in applying the research to industry needs, once mathematical extrapolations could be constituted to predict, in the best case scenario, the behaviour of an actual gross rope. The loading rate was imposed as a percent- age of the specimen length: 50% for AR (250mm/min) and 100% for other materials (500mm/min)", "mime": "application/pdf"}, {"id": "ap-3805", "words": "5472", "extension": ".pdf", "flesch": "61", "author": "Pe\u010dinka, Ji\u0159\u00ed; Bugajski, Gabriel Thomas; Kmoch, Petr; J\u00edlek, Adolf", "title": "JET ENGINE INLET DISTORTION SCREEN AND DESCRIPTOR EVALUATION", "date": "2017", "keywords": "descriptors; distortion; engine; flow; inlet; mass; pressure; radial; rate; ring; screen; total", "summary": "Total pressure distortion is one of the three basic flow distortions (total pressure, total temperature and swirl distortion) that might appear at the inlet of a gas turbine engine (GTE) during operation. Accordingly, it was decided to evaluate the most commonly used distortion descriptors for basic types of total pressure distortions created by several screens.", "mime": "application/pdf"}, {"id": "ap-3817", "words": "3454", "extension": ".pdf", "flesch": "61", "author": "Hilar, Matous; Tuan, Nhu The", "title": "EVALUATION OF THE SURFACE SETTLEMENT ABOVE THE PRAGUE METRO LINE A EXTENSION CONSTRUCTED BY TWO SHIELDS", "date": "2016", "keywords": "cross; metro; modelling; prague; section; settlement; tunnel", "summary": "[5] Be\u0148o J., Hilar M.: Steel fibre reinforced concrete segments for tunnel linings \u2013 verification by extensive laboratory testing and numerical modelling. Variant B (contraction): (1.) initial stress; (2.) excavation and tunnel lining installation; (3.) tunnel lining contraction.", "mime": "application/pdf"}, {"id": "ap-3818", "words": "4891", "extension": ".pdf", "flesch": "73", "author": "Mendon\u00e7a da Silveira, Francisco Eugenio", "title": "TEARING MODES GROWTH RATE AMPLIFICATION DUE TO FINITE CURRENT RELAXATION", "date": "2017", "keywords": "modes; phys; plasma; rate", "summary": "Sov Phys Tech Phys 15:175, 1970. J Plasma Phys 79:45, 2013.", "mime": "application/pdf"}, {"id": "ap-382", "words": "3837", "extension": ".pdf", "flesch": "56", "author": "Holick\u00fd, M.; Markov\u00e1, J.", "title": "Reliability of Concrete Elements Designed for Alternative Load Combinations Provided in Eurocodes", "date": "2003", "keywords": "alternative; beam; combination; concrete; design; load; reliability", "summary": "[..g., 8, 9] to develop comprehensive background materials enabling national decisions concerning load combinations and partial factors to be applied in accordance with the present version ofEN 1990 The lowest reliability level is provided by load combination C, allowed in EN 1990", "mime": "application/pdf"}, {"id": "ap-384", "words": "1604", "extension": ".pdf", "flesch": "68", "author": "Ficker, T.; Pode\u0161vov\u00e1, Z.", "title": "Modified Glaser\u2019s Condensation Model", "date": "2003", "keywords": "building; condensation; dial; glaser; model; vol", "summary": "2 Non-isothermal steady-state diffusion In our previous paper I I 0] we developed two basic models for describing non-isothermal steady-state diffirsion of water vapor through porous building materials, namely the DIAL and DRAL models. [m] ?tKl Glaser's standard model DIAL model DRAL model Rd.lo-e .", "mime": "application/pdf"}, {"id": "ap-386", "words": "3525", "extension": ".pdf", "flesch": "59", "author": "B\u00f6sz\u00f6rm\u00e9nyi, L.; B\u00f6sz\u00f6rm\u00e9nyi, G.", "title": "Prospects for Geothermal Energy Conversion through a Hybrid Combined Cycle Power Plant", "date": "2003", "keywords": "cycle; cycle power; energy; heat; plant; power; use; water", "summary": "In the case of the concept described here, progressive energy technologies enable very effective use of geothermal heat in comparison with only direct use in the DHN, especially in rhe summer period (see in Fig. 2). This indirect conversion of geothermal heat is much more eflicient than technologies for direct conversion (for example the Organic Rankine Cycle or Kalina cycle), which operate with llVo efficiency.", "mime": "application/pdf"}, {"id": "ap-388", "words": "1825", "extension": ".pdf", "flesch": "62", "author": "Mike\u0161, P.", "title": "Reconstruction of Object Position in X-ray Mammograms", "date": "2003", "keywords": "axis; breast; compression; nipple; reconstruction; tissue", "summary": "Experimental verification will rnake use of the similarity between human female breast tissue structure and that of a sow's breast. Calcifications and their relatively well-known links with various breast disorders are most frequently used for valuation of malignity.", "mime": "application/pdf"}, {"id": "ap-3885", "words": "5285", "extension": ".pdf", "flesch": "64", "author": "Kytyr, Daniel; Kr\u010dm\u00e1\u0159ov\u00e1, Nela; \u0160leichrt, Jan; F\u00edla, Tom\u00e1\u0161; Koudelka, Petr; Gantar, Ana; Novak, Sasa", "title": "DEFORMATION RESPONSE OF GELLAN GUM BASED BONE SCAFFOLD SUBJECTED TO UNIAXIAL QUASI-STATIC LOADING", "date": "2017", "keywords": "bag; conditions; gg samples; gg00; gg50; gg70; kpa; samples; strain; test", "summary": "Moreover, as the mechanical properties are significantly influenced by testing conditions the experiment was performed using dry samples and also using samples immersed in the simulated body fluid. Dimensions of GG samples with 50 wt% BAG for the compression test under dry conditions.", "mime": "application/pdf"}, {"id": "ap-3893", "words": "6177", "extension": ".pdf", "flesch": "62", "author": "Vesel\u00fd, Jan", "title": "NUMERICAL MODELLING OF THE SOIL BEHAVIOUR BY USING NEWLY DEVELOPED ADVANCED MATERIAL MODEL", "date": "2017", "keywords": "clay; data; figure; hardening; jphs; model; numerical; plastic; strain; stress; surface; yield", "summary": "This paper describes a theoretical background, implementation and validation of the newly developed Jardine plastic hardening-softening model (JPHS model), which can be used for numerical modelling of the soils behaviour. JPHS model \u2014 flow chart.", "mime": "application/pdf"}, {"id": "ap-390", "words": "5674", "extension": ".pdf", "flesch": "57", "author": "Beran, V.", "title": "Management Processes in Technical-economic Design, Decision-making, Fractals and Market Bubbles", "date": "2003", "keywords": "area; basis; decision; making; management; market; model; process; processes; solutions; steering; technical; time", "summary": "To what extent will be decision processes D- in time strata tx+,? Diagrammatic calculations according to (3) to (5) are shown in Thble 3 (a segment fiom a wider calculation of how the market will fill up in time (vertical axis) and the space for steering decisions for management shows the demand op- portunities (horizontal axis)).", "mime": "application/pdf"}, {"id": "ap-3907", "words": "4875", "extension": ".pdf", "flesch": "60", "author": "\u00c7elik, \u0130smet; G\u00fcne\u015f, Ebubekir Can", "title": "USE OF DISC SPRINGS IN A PELLET FUEL MACHINE FOR PRESSURE REGULATION AND PREVENTION OF DAMAGE", "date": "2017", "keywords": "biomass; die; disc; force; fuel; moisture; pellet; pelletizing; pressure; springs; stress", "summary": "Keywords: biomass pellet; pellet machine; disc spring; Almen\u2013Laszlo; FEA; pelletizing pressure. [6] Mani, S., Tabil, L.G., Sokhansanj, S.: Effects of compressive force, particle size and moisture content on mechanical properties of biomass pellets from grasses, Biomass and Bioenergy, 30, 2006, p. 648\u2013654. doi:10.1016/j.biombioe.2005.01.004", "mime": "application/pdf"}, {"id": "ap-3908", "words": "13089", "extension": ".pdf", "flesch": "55", "author": "Ka\u010dur, J\u00e1n; Kost\u00far, Karol", "title": "APPROACHES TO THE GAS CONTROL IN UCG", "date": "2017", "keywords": "air; coal; concentration; control; control system; controller; figure; flow; gas control; gasification; model; parameters; pressure; process; stabilization; syngas; system; temperature; ucg; underground; value; variable", "summary": "The control variable is the power frequency of the motor calculated by control system according to equation (33) and sent as an analog voltage signal (0\u201310VDC) to the frequency inverter (see Figure 20). The outcome is a control system for the stabilization of oxidant to the gasifier, control system for the stabilization of the temperature in the gasifier and control system for the stabilization of the oxygen concentration in the produced gas.", "mime": "application/pdf"}, {"id": "ap-392", "words": "5640", "extension": ".pdf", "flesch": "62", "author": "Toman, M.; Proch\u00e1zka, P.", "title": "An Algorithm for Investigating the Structure of Material Surfaces", "date": "2003", "keywords": "algorithm; boundaries; grain; grain boundaries; grain size; image; input; input image; intensity; peaks; points; size", "summary": "pre-processing of the input images, o search for grain boundaries, o calculation of probability distribution of grain size. The localization of grain boundaries may be applied to an investigation of any materials with a surface stnrcture similar to a grain structure.", "mime": "application/pdf"}, {"id": "ap-394", "words": "581", "extension": ".pdf", "flesch": "53", "author": "Ficker, T.", "title": "A Short Note on Non-isothermal Diffusion Models", "date": "2003", "keywords": "models; relations", "summary": "Naturally, throughout the year the structure is mostly exposed to non-isothermal states but, especially in the summer season, it may be subjected to a purely isothermal state. [], the DIAL and DRAL non-isothermal difiLsion models were derived and compared with the standard isothermal models commonly used in building thermal technology.", "mime": "application/pdf"}, {"id": "ap-3940", "words": "7045", "extension": ".pdf", "flesch": "53", "author": "Toman, Rastislav; Pol\u00f3ni, Mari\u00e1n; Chr\u00edbik, Andrej", "title": "PRELIMINARY STUDY ON COMBUSTION AND OVERALL PARAMETERS OF SYNGAS FUEL MIXTURES FOR SPARK IGNITION COMBUSTION ENGINE", "date": "2017", "keywords": "analysis; burn; combustion; cylinder; engine; figure; fuel; lgw; mixtures; model; paper; parameters; pressure; simulation; speed; syngas", "summary": "[1] LHV lower heating value [kJ/kg] Acronyms 1Cyl single-cylinder combustion analysis model Full full scale engine model EVC exhaust valve closes EVO exhaust valve opens IVC inlet valve closes IVO inlet valve opens SI spark ignition engine TDC top dead center NG natural gas SG syngas CH4 methane molecule H2 molecular hydrogen N2 molecular nitrogen O2 molecular oxygen CO carbon monoxide CO2 carbon dioxide NOx mono-nitrogen oxides (NO and NO2) 46 vol. Other possibility is to employ the advanced predic- tive combustion models to model and study the ICE combustion process for different fuel mixtures", "mime": "application/pdf"}, {"id": "ap-3944", "words": "4771", "extension": ".pdf", "flesch": "60", "author": "Petr\u016f, Jan; K\u0159ivda, Vladislav", "title": "HEIGHT AND WIDTH PARAMETERS FOR ENSURING PASSAGE OF EXCESSIVE LOADS ON ROADS", "date": "2017", "keywords": "cargo; czech; height; parameters; passage; republic; roads; transport; width", "summary": "Transporters and the escorts for over- sized cargo face this fact regularly during the prepa- ration of transport routes. Vertical clearance on the roads Transport routes are selected also with regard to the bridges.", "mime": "application/pdf"}, {"id": "ap-396", "words": "2062", "extension": ".pdf", "flesch": "70", "author": "Zoriy, M.; \u010cern\u00fd, F.; Palamarchuk, D.; Konvi\u010dkov\u00e1, S.; H\u00fcttel, I.", "title": "Measuring the Process Parameters of the IBAD Method", "date": "2003", "keywords": "atoms; beam; flux; ion; ions; nitrogen", "summary": "We therefore need to perform a mathematical procedure to transform ion beam density into atomic nitrogen flux. l0-lsc - electron charge magnitude; P1g - flux of atomic nitrogen ions; P2^*' - flux of molecular nitrogen ions; P - total flux of ions; N1,'- flux of nitrogen atoms included in atomic nitrogen ions; N2.iy - flux of nitrogen atoms included in molecular nitrogen ions; N - total flux of nitrogen atoms.", "mime": "application/pdf"}, {"id": "ap-398", "words": "977", "extension": ".pdf", "flesch": "62", "author": "Palamarchuk, D.; Zoriy, M.; Gurovi\u010d, J.; \u010cern\u00fd, F.; Konvi\u010dkov\u00e1, S.; H\u00fcttel, I.", "title": "DLC Films Deposited by the DC PACVD Method", "date": "2003", "keywords": "adhesion; bias; dlc; films; voltage", "summary": "A problem that affects some of these methods is their poor adhesion to steel substrates with no intermediate layer' One fotential solution to this problem is to use current plasma for hepositing DLC films with no intermediate layer' This paper ,,.idi, the adhesion of DLC films to steel substrates and the microhardness of the laYer. l: Schematic view of DC PACVD aPParatus Table 1: Deposition Parameters of DLC films Then we investigated the dependence of microhardness o.r biu, voltage anithe adhesion of the DLC layers to the steel substrate.", "mime": "application/pdf"}, {"id": "ap-3980", "words": "2323", "extension": ".pdf", "flesch": "62", "author": "Sinuvasan, R; Krishnakumar, K; Tamizhmani, K M; Leach, PGL", "title": "FURTHER GENERALISATIONS OF THE KUMMER-SCHWARZ EQUATION: ALGEBRAIC AND SINGULARITY PROPERTIES", "date": "2017", "keywords": "equation", "summary": "We examine the sequence of equations introduced above in terms of singularity analysis. We reported the symmetries, singularity properties and solutions for the members of the family.", "mime": "application/pdf"}, {"id": "ap-3988", "words": "3271", "extension": ".pdf", "flesch": "66", "author": "Sunu, Putu Wijaya; Rasta, I Made", "title": "HEAT TRANSFER ENHANCEMENT AND PRESSURE DROP OF GROOVED ANNULUS OF DOUBLE PIPE HEAT EXCHANGER", "date": "2017", "keywords": "annulus; drop; exchanger; flow; grooves; heat; pipe; pressure; transfer", "summary": "Keywords: heat transfer; friction factor; circumferential rectangular grooves; annulus. The experiment apparatus was designed to determine the pressure drop, heat transfer and flow visualization.", "mime": "application/pdf"}, {"id": "ap-3989", "words": "3612", "extension": ".pdf", "flesch": "61", "author": "Beno, Matej; Patz\u00e1k, Bo\u0159ek", "title": "FICTITIOUS DOMAIN METHOD FOR NUMERICAL SIMULATION OF INCOMPRESSIBLE VISCOUS FLOW AROUND RIGID BODIES", "date": "2017", "keywords": "domain; flow; fluid; method", "summary": "Keywords: finite element method; computational fluid dynamics; fictitious domain method; Lagrange multipliers; flow around obstacles. This article aims at reducing these compu- tational costs by avoiding the need of explicit repre- sentation of individual reinforcing bars by adopting an approach based on fictitious domain method to solve the problem of Newtonian incompressible flow with rigid body obstacles on regular, structured computa- tional grid, where the individual reinforcing bars can be inserted arbitrarily and independently of the un- derlying mesh.", "mime": "application/pdf"}, {"id": "ap-400", "words": "4400", "extension": ".pdf", "flesch": "60", "author": "Janda, T.; Kukl\u00edk, M.; \u0160ejnoha, M.", "title": "Numerical Implementation of Isotropic Consolidation of Clayey Soils", "date": "2003", "keywords": "consolidation; fig; finite; form; line; method; model; numerical; parameters; pressure; time", "summary": "2: Time variation of pore pressure with no smoothing of the bilinear consolidation line double S type of curve where individual segments of this curve are linked to a given slope of the bilinear consolidation line. AIso note that the pore pressure dependent material parameters K and e are found from an initial pre- diction of pore pressure T;'(tp) at time 6u r-q. i7).", "mime": "application/pdf"}, {"id": "ap-402", "words": "4328", "extension": ".pdf", "flesch": "60", "author": "Tesa\u0159, V.", "title": "Fluidic Control of Molten Metal Flow", "date": "2003", "keywords": "chamber; control; fig; flow; metal; molten; radial; tundish; valve; vortex; vortex chamber", "summary": "molten metal flow - certainly a highly unusual signal carrying medium, but fully in line with the usual tendency of fluidics to employ the working fluid for signal transfer and processing. the most unusual feature of the discussed con- trollers - signal transfer and processing (sign inversion and amplification) in molten metal flows - is realisable only thanks to the progress in the materials and manufacturing side of the project.", "mime": "application/pdf"}, {"id": "ap-4038", "words": "7220", "extension": ".pdf", "flesch": "63", "author": "Kola\u0159\u00edk, Filip; Patz\u00e1k, Bo\u0159ek", "title": "IMPLEMENTATION OF 3D VOF TRACKING ALGORITHM BASED ON BINARY SPACE-PARTITIONING", "date": "2017", "keywords": "algorithm; bsp; cube; faces; figure; fluid; interface; method; plane; polyhedron; tree; vof; volume", "summary": "The interface is modeled using the Volume-Of-Fluid method, where the advection of volume fractions is treated by a purely geometrical method. The idea is to form a Taylor series expansion of volume fraction fT S i for each interface cell i with VOF value fi to each of its adjacent cell with k with VOF value fk.", "mime": "application/pdf"}, {"id": "ap-404", "words": "2863", "extension": ".pdf", "flesch": "67", "author": "Ficker, T.; Pode\u0161vov\u00e1, Z.", "title": "Models for Non-isothermal Steady-State Diffusion in Porous Building Materials", "date": "2003", "keywords": "air; conditions; diffusion; model; profile; temperature", "summary": "A reasonable choice [5] for the temperature profile (x) of a wall is the linear function T, -T^T@)=rt--' ,-'*, (Tt>Til ' (3) & Frck's first law for non-isothermal diffusion assumes the following form Nearly constant total concentration c can be expected not only with non-isothermal diffusion of a gas in a solid cotn- pact body which does not contain any air pores but also in solid materials containing closed pores (cavities) filled with air.", "mime": "application/pdf"}, {"id": "ap-4040", "words": "5882", "extension": ".pdf", "flesch": "62", "author": "Vokurka, Karel", "title": "EXPERIMENTAL DETERMINATION OF TEMPERATURES IN SPARK GENERATED BUBBLES OSCILLATING IN WATER", "date": "2017", "keywords": "bubble; core; figure; plasma; radius; rm1; spark; temperature; time; \u03b8m1", "summary": "Intensity of oscillation of spark generated bubbles. The individual frames in Figure 2 can be traced to the corresponding points on the plot of bubble radius vs. time, given in Figure 3.", "mime": "application/pdf"}, {"id": "ap-406", "words": "3238", "extension": ".pdf", "flesch": "69", "author": "Cimbala, R.; Kr\u0161\u0148\u00e1k, I.; Kolcunov\u00e1, I.", "title": "The Computing of the Influence of a Steady Element on the Polarization Spectrum", "date": "2003", "keywords": "calculation; current; data; element; fig; model; polarization; present; time", "summary": "8: Calculation without steady element Fig. 9: Calculation with steady element Acta Polytechnica Vol. 43 No. 2/2003 calculalion t1me[sl t1me[sl 1000 1000 real real 100 100 10 10 100.l------~-----~- _ 1 <' loooI 100 .------------,------ 1 <' ~1000 +--'=---=------------------1 ~ :s Fig. In the third column of data with 7 expansion elements can be seen that the calculation exactly revealed steady element 10 and deter\u00ad mined its value.", "mime": "application/pdf"}, {"id": "ap-4068", "words": "3570", "extension": ".pdf", "flesch": "50", "author": "\u0160tancl, Jarom\u00edr; Sko\u010dilas, Jan; Landfeld, Ale\u0161; \u017ditn\u00fd, Rudolf; Hou\u0161ka, Milan", "title": "ELECTRICAL AND THERMODYNAMIC PROPERTIES OF A COLLAGEN SOLUTION", "date": "2017", "keywords": "capacity; collagen; conductivity; heat; material; measurements; sec; temperature", "summary": "The transition region of collagen to gelatin has been observed from the measured temperature dependence of specific electrical conductivity, and has been confirmed by specific heat capacity measurements by a differential scanning calorimetry. The results of our experiments show that specific electrical conductivity of collagen solution is strongly dependent on temperature.", "mime": "application/pdf"}, {"id": "ap-4070", "words": "5138", "extension": ".pdf", "flesch": "59", "author": "Hol\u010dapek, Ond\u0159ej; Reiterman, Pavel; Konvalinka, Petr", "title": "CYCLIC TEMPERATURE LOADING RESIDUAL FLEXURAL STRENGHT OF REFRACTORY SLABS", "date": "2017", "keywords": "cement; concrete; fibres; loading; refractory; slabs; strength; temperature", "summary": "Tensile strength in bending of these slabs (after cyclic temperature loading at 600 \u00b0C) achieved 6.0MPa. The aim of this article is to investigate the effect of cyclic temperature loading at two levels \u2013 600 \u00b0C and 1000 \u00b0C.", "mime": "application/pdf"}, {"id": "ap-4073", "words": "5012", "extension": ".pdf", "flesch": "58", "author": "Brad\u00e1\u010d, Josef; Moravec, Jarom\u00edr", "title": "THE IMPACT OF SELECTED PROCESSES AND TECHNOLOGICAL PARAMETERS ON THE GEOMETRY OF THE WELD POOL WHEN WELDING IN SHIELS GAS ATMOSPHERE", "date": "2017", "keywords": "current; diameter; figure; geometry; heat; parameters; pool; temperature; weld pool; welding; wire", "summary": "Role of sulfur and processing variables on the temporal evolution of weld pool geometry during mutikilowatt laser beam welding of steel. Double ellipsoidal heat source model enables simulations with very good agreement with the reality, especially when simulating the electric arc welding processes.", "mime": "application/pdf"}, {"id": "ap-4078", "words": "4290", "extension": ".pdf", "flesch": "56", "author": "Peciar, Peter; Macho, Oliver; Eckert, Maro\u0161; Kab\u00e1t, Juraj; Gabri\u0161ov\u00e1, \u013dudmila; Kotora, Peter; Fekete, Roman; Peciar, Mari\u00e1n", "title": "MODIFICATION OF POWDER MATERIAL BY COMPACTION PROCESSING", "date": "2017", "keywords": "compaction; compressibility; figure; material; particles; powder; process; product; rolls; strength", "summary": "Distribution characteristics of pure raw material and created product In the processing of powder materials, the quality and size of the products are strongly determined by, among other things, the distribution characteristics of the processed raw material. Acta Polytechnica doi:10.14311/AP.2017.57.0116 Acta Polytechnica 57(2):116\u2013124, 2017 \u00a9 Czech Technical University in Prague, 2017 available online at http://ojs.cvut.cz/ojs/index.php/ap MODIFICATION OF POWDER MATERIAL BY COMPACTION PROCESSING Peter Peciar\u2217, Oliver Macho, Maro\u0161 Eckert, Juraj Kab\u00e1t, \u013dudmila Gabri\u0161ov\u00e1, Peter Kotora, Roman Fekete, Mari\u00e1n Peciar Slovak University of Technology in Bratislava, Faculty of Mechanical Engineering, Institute of Process Engineering, N\u00e1mestie Slobody 17, 812 31, Bratislava, Slovakia \u2217 corresponding author: peter.peciar@stuba.sk Abstract.", "mime": "application/pdf"}, {"id": "ap-408", "words": "1866", "extension": ".pdf", "flesch": "55", "author": "Hladk\u00e1, K.", "title": "Tendencies in Spatial Planning in Austria", "date": "2003", "keywords": "development; land; level; planning; plans; regional", "summary": "5 Conclusion The instruments of spatial planning in Austria are deter- mined in the Spatial Planning Acrs of the L.dnder, Thereby a distinction must be made between instruments of supralocal spatial planning, relating to the entire Land or parts of it, and drawn up by the Governments of the Lindit and rhose instrumenrs relating to local spatial planning, which refer to a community and which are drawn up by the local authorities with respect to their area of competence. ln Austria tke national government has no competence in spatial planning, but planning at the nationallevel is undertaken through a joint Jorum which has advisory powers, and in which the national government and the !.Jinder", "mime": "application/pdf"}, {"id": "ap-4085", "words": "5164", "extension": ".pdf", "flesch": "64", "author": "Scho\u0159, Pavel", "title": "AERODYNAMIC LOAD OF AN AIRCRAFT WITH A HIGHLY ELASTIC WING", "date": "2017", "keywords": "aerodynamic; aircraft; element; figure; lift; load; method; moment; panel; wing", "summary": "Keywords: aerodynamics, panel method, finite element method, wing load, fluid structure interaction. Eligibility Based on assumptions made in Sections 2.1 and 2.2, the method presented in this article is suitable for analysis of quasi-static maneuvers of an aircraft with elastic wings, operating at a low Mach number (M < 0.3) and sufficiently high Reynolds number (Re > 1000000).", "mime": "application/pdf"}, {"id": "ap-4087", "words": "4533", "extension": ".pdf", "flesch": "42", "author": "Fo\u0159t, Jan; Beran, Pavel; Konvalinka, Petr; Pavl\u00edk, Zby\u0161ek; \u010cern\u00fd, Robert", "title": "EVALUATION OF THE APPLICATION OF A THERMAL INSULATION SYSTEM: IN-SITU COMPARISSON OF SEASONAL AND DAILY CLIMATIC FLUCTUATIONS", "date": "2017", "keywords": "application; building; conditions; doi:10.1016; energy; humidity; insulation; monitoring; profiles; system; temperature", "summary": "Indoor ther- mal comfort can be perceived as the one of the most im- portant factors and achievement of the indoor thermal comfort for building occupants represents a substantial objective, which should be satisfied in order to provide appropriate working and health conditions Importance of the maintenance of ambient air is connected not only with comfort of building occupants, but also with health issues.", "mime": "application/pdf"}, {"id": "ap-4093", "words": "6391", "extension": ".pdf", "flesch": "47", "author": "Vojt\u011bchovsk\u00fd, Jan", "title": "SURFACE CONSOLIDATION OF WALL PAINTINGS USING LIME NANO-SUSPENSIONS", "date": "2017", "keywords": "application; consolidants; consolidation; layer; lime; material; mixtures; paint; results; suspensions; test", "summary": "Test tubes 13, 16 and 17 contain lime suspensions diluted to 5 g/l, test tubes 28\u201333 contain lime suspensions mixed with silicic acid esters. both lime suspensions diluted with various alcohols to a concentration of 5 and 10 g of Ca(OH)2 per 1 litre of agent and subsequent applications of silicic acid esters (alkoxysilanes) and lime suspensions as well as on their mixtures.", "mime": "application/pdf"}, {"id": "ap-410", "words": "5831", "extension": ".pdf", "flesch": "68", "author": "Slanec, K.; \u010cern\u00fd, F.; Gurovi\u010d, J.; Chmel\u00edk, V.", "title": "Modifing the Surface Layers of Mechanical Components", "date": "2003", "keywords": "bypass; core; edges; failure; fault; message; multicast; node; repair; ring; routing; set; tree", "summary": "Howeve6 because of the repair message routing mechanism 'switching' between bypass rings centered at dif- ferent faulty nodes, bypass rings BR(r) can repair an even larger cluster of faulty nodes under convenient circumstances. Bypass ring of radius r centered at node c CE Set ofcore tree edges cei Core tree edge i E Set of all edges in underlying nenvork S.ly' EMT Extended multicast tree FC Cluster of faulty nodes gcp Greatest common prefix function HID., Hierarchical identifier of node rt related to node c ID, Identifier of node n h", "mime": "application/pdf"}, {"id": "ap-412", "words": "5831", "extension": ".pdf", "flesch": "68", "author": "Dynda, V.", "title": "A Bypass-Ring Scheme for a Fault Tolerant Multicast", "date": "2003", "keywords": "bypass; core; edges; failure; fault; message; multicast; node; repair; ring; routing; set; tree", "summary": "Howeve6 because of the repair message routing mechanism 'switching' between bypass rings centered at dif- ferent faulty nodes, bypass rings BR(r) can repair an even larger cluster of faulty nodes under convenient circumstances. Bypass ring of radius r centered at node c CE Set ofcore tree edges cei Core tree edge i E Set of all edges in underlying nenvork S.ly' EMT Extended multicast tree FC Cluster of faulty nodes gcp Greatest common prefix function HID., Hierarchical identifier of node rt related to node c ID, Identifier of node n h", "mime": "application/pdf"}, {"id": "ap-4125", "words": "8609", "extension": ".pdf", "flesch": "59", "author": "Pylypaka, Serhii; Klendii, Mykola; Klendii, Oleksandra", "title": "PARTICLE MOTION ON THE SURFACE OF A CONCAVE SOIL-TILLING DISK", "date": "2018", "keywords": "angle; disk; disk surface; particle; particle motion; rotation; surface; velocity", "summary": "A mathematical model of soil particle motion on a disk operating element, which rotates about a fixed horizontal axis, has been developed. Conclusion A mathematical model of soil particle motion on a disk operating element, which rotates around a fixed horizontal axis, has been developed.", "mime": "application/pdf"}, {"id": "ap-4131", "words": "7083", "extension": ".pdf", "flesch": "58", "author": "Sudibyo, Hanifrahmawan; Shabrina, Zata Lini; Wondah, Hartika Rafih; Hastuti, Retno Tri; Purnomo, Chandra Wahyu; Budhijanto, Wiratni", "title": "ANAEROBIC DIGESTION OF LANDFILL LEACHATE WITH NATURAL ZEOLITE AND SUGARCANE BAGASSE FLY ASH AS THE MICROBIAL IMMOBILIZATION MEDIA IN PACKED BED REACTOR", "date": "2018", "keywords": "anaerobic; bfa; cell; contois; correlation; digester; digestion; immobilization; immobilization media; kinetics; landfill; leachate; media; methane; scod; vfa; zeolite", "summary": "MATLAB calculation result for acidogenic cell (X1) inside the digester using natural zeolite and BFA as immobilization media. Comparison of SSE results of anaerobic leachate digestion using sugarcane bagasse fly ash as the immobilization media.", "mime": "application/pdf"}, {"id": "ap-4134", "words": "6306", "extension": ".pdf", "flesch": "56", "author": "\u0158ehounek, Lubo\u0161; J\u00edra, Ale\u0161", "title": "NUMERICAL AND MECHANICAL ANALYSES OF A 3D-PRINTED TITANIUM TRABECULAR DENTAL IMPLANT", "date": "2017", "keywords": "bone; fig; implant; material; model; modulus; properties; specimens; stress; structure; test", "summary": "If proven to be satisfying in medical, mechanical and economic regards, trabecular structure could improve upon the former variants. Trabecular structure", "mime": "application/pdf"}, {"id": "ap-414", "words": "1483", "extension": ".pdf", "flesch": "71", "author": "Koll\u00e1r, M.", "title": "Measurement of Light Intensity Based on a Flip-flop Sensor", "date": "2003", "keywords": "flip; flop; light; sensor; voltage", "summary": "Keywords: measurement, tlip-flop sensor, light intensity, equiualent aoltage. 3 Proposed solution and experimental results Fig.4 shows a system for measuring light intensity.", "mime": "application/pdf"}, {"id": "ap-4151", "words": "10449", "extension": ".pdf", "flesch": "54", "author": "Harte, Reinhard; Tschersich, Markus; H\u00f6ffer, R\u00fcdiger; Mekhail, Tarek", "title": "DESIGN AND CONSTRUCTION OF A PROTOTYPE SOLAR UPDRAFT CHIMNEY IN ASWAN/EGYPT", "date": "2017", "keywords": "analysis; aswan; cfd; chimney; collector; data; energy; figure; flow; inside; model; monitoring; results; scpp; solar; system; tower; wind", "summary": "A simple method to evaluate the turbine power output for solar chimney systems was also proposed in the study using dimensional analysis. [5] Huang, H., Zhang, H., Huang, Y., Lu, F. Simulation calculation on solar chimney power plant system.", "mime": "application/pdf"}, {"id": "ap-4152", "words": "4824", "extension": ".pdf", "flesch": "57", "author": "Kov\u00e1cs, Gy\u00f6rgy", "title": "OPTIMIZATION METHOD AND SOFTWARE FOR FUEL COST REDUCTION IN CASE OF ROAD TRANSPORT ACTIVITY", "date": "2017", "keywords": "cost; figure; fuel; fuel cost; petrol; petrol station; software; station; transport", "summary": "The ratio of the road transport in Europe is 78% of the total freight volume [3], and because the fuel cost is the highest cost among the cost components of the transportation, every transport company puts a great emphasis on optimizing road transport activities and reducing transport costs. The main goal of organizing trans- port routes is to minimize specific transport costs and reduce the transport lead time [10,11,12,13].", "mime": "application/pdf"}, {"id": "ap-4157", "words": "2066", "extension": ".pdf", "flesch": "61", "author": "Ka\u010dalov\u00e1, M\u00e1ria; Pavlenko, Slavko", "title": "STRENGHT AND DYNAMIC ANALYSIS OF A STRUCTURAL NODE LIMITING THE MULTI-OUTPUT GEAR MECHANISM", "date": "2017", "keywords": "analysis; contact; figure; gear; mechanism; output; stage; strength", "summary": "The gear mechanism achieves high gear ratios. Keywords: double-output gear mechanism; gears; strength and dynamic analysis.", "mime": "application/pdf"}, {"id": "ap-416", "words": "4473", "extension": ".pdf", "flesch": "61", "author": "Achten, H.; Jessurun, J.", "title": "A Multi-Agent Mah Jong Playing System: Towards Real-Time Recognition of Graphic Units in Graphic Representations", "date": "2003", "keywords": "agent; bones; design; drawing; heuristics; level; mah; multi; system; units; vol", "summary": "The paper presents the tkeoretical basis ojgraphic units and multi-agents systems, Jollowed by a description ojthe multi-agent framework and its implementation. The technology we are looking at is multi-agent systems.", "mime": "application/pdf"}, {"id": "ap-4160", "words": "4485", "extension": ".pdf", "flesch": "56", "author": "Pazderka, Ji\u0159\u00ed; H\u00e1jkov\u00e1, Eva; Jir\u00e1nek, Martin", "title": "UNDERGROUND AIR DUCT TO CONTROL RISING MOISTURE IN HISTORIC BUILDINGS: IMPROVED DESIGN AND ITS DRYING EFFICIENCY", "date": "2017", "keywords": "air; air duct; blocks; building; concrete; duct; masonry; moisture; water", "summary": "Air ducts, which are situated in the ground, are most often designed as a masonry structure in combination with a traditional concrete slab and concrete screed (Fig. 2). Air duct (concrete blocks) installed into a historic masonry building.", "mime": "application/pdf"}, {"id": "ap-4163", "words": "6931", "extension": ".pdf", "flesch": "56", "author": "Yusuf, Taofeek Ayotunde", "title": "CHARACTERIZATION OF SELECTED PROPERTIES OF COMPOSITES OF WASTE PAPER WITH UNTREATED BAMBOO STEM FIBRE AND RICE HUSK", "date": "2017", "keywords": "bamboo; composites; fibres; husk; paper; properties; rice; samples; strength; thickness; waste; water", "summary": "In this study, selected properties of composite samples, produced from waste paper in equal mix-ratio with rice husk and bamboo stem fibres (BSF) separately without chemical pre-treatment using cassava starch as a binder, were characterized. Keywords: biocomposite properties; waste paper; bamboo stem fibre; rice husk.", "mime": "application/pdf"}, {"id": "ap-4165", "words": "4540", "extension": ".pdf", "flesch": "59", "author": "Mihalev, Mihail Stoyanov", "title": "TRANSITION METAL OXIDES AS MATERIALS FOR ADDITIVE LASER MARKING ON STAINLESS STEEL", "date": "2017", "keywords": "beam; co2; coating; dot; figure; laser; marking; materials; moo3; oxides; raman; sample; wo3", "summary": "Morphology of a \u201cdot\u201d sample \u2014 molybdenum trioxide The most typical pattern is presented in Figure 3, it was obtained at CO2 laser irradiation times between 10 and 100ms, being relevant to the technology pro- cesses of laser marking. The developed model is in concordance with the convec- tive model [24], describing the characteristic surface rippling of laser re-melted surfaces.", "mime": "application/pdf"}, {"id": "ap-4167", "words": "4483", "extension": ".pdf", "flesch": "58", "author": "Peciar, Peter; Macho, Oliver; Eckert, Maro\u0161; Fekete, Roman; Kotora, Peter; Juriga, Martin; Kab\u00e1t, Juraj; Gabri\u0161ov\u00e1, \u013dudmila; Peciar, Mari\u00e1n", "title": "DESIGN OF PARTICULATE MATERIAL COMPACTOR ROLLS DIAMETER", "date": "2017", "keywords": "angle; compactor; material; nip; pressure; rolls; stress", "summary": "Keywords: particulate material; compaction; compactor; rolls diameter; experimental measurements; fertilizer. Compaction of particulate material.", "mime": "application/pdf"}, {"id": "ap-4173", "words": "4884", "extension": ".pdf", "flesch": "54", "author": "Prok\u0161ov\u00e1 Zusk\u00e1, Lenka; Kabrhel, Michal", "title": "A METHOD FOR EVALUATION OF NON-UNIFORM RADIANT-CONVECTIVE LOAD ON HUMAN BODY DURING MENTAL WORK", "date": "2017", "keywords": "conditions; environment; globe; non; radiant; temperature", "summary": "The physical parameters of air were continuously measured: the air temperature, globe temperature, air velocity, radiant temperature, relative humidity, stereotemperature and physiological parameters. Globe Stereothermometer Measurement Measured physical parameters were ta, va, the relative humidity and radiant temperature measured in the direction of the radiation trA and on the opposite side trB. Those values were measured by Indoor Climate Analyzer type 1213, Br\u00fcel and Kjaer.", "mime": "application/pdf"}, {"id": "ap-4175", "words": "6470", "extension": ".pdf", "flesch": "65", "author": "Vonka, Martin; Ko\u0159\u00ednek, Robert", "title": "CHIMNEY RESERVOIRS: UNIQUE TECHNICAL STRUCTURES FROM THE FIRST HALF OF THE 20TH CENTURY IN THE CZECH REPUBLIC", "date": "2018", "keywords": "chimney; chimney reservoirs; concrete; czech; factory; figure; pipe; prague; republic; shaft; steel; structure; tank; water", "summary": "This article outlines the origin and evolution of different types of chimney reservoirs and describes the structural and technological designs used for such structures on the territory of what is now known as the Czech Republic. Not much has been published on the technical de- signs of chimney reservoirs in Czech literature \u2013 in 1906, a brief introduction to chimney water towers was written by Franti\u0161ek Klokner, a populariser of chimneys and future rector of the Czech Technical Uni- versity in Prague", "mime": "application/pdf"}, {"id": "ap-4179", "words": "13082", "extension": ".pdf", "flesch": "70", "author": "Strnadov\u00e1, Gabriela; Hanu\u0161, Vlastimil; Kahoun, David; Semer\u00e1k, Petr; T\u0159\u00edska, Jan", "title": "RETRACTED: POSSIBILITY OF MONITORING OF PAHs DISTRIBUTION IN THE VERTICAL PROFILE AT THE BACKGROUND METEOROLOGICAL STATION KRE\u0160\u00cdN", "date": "2017", "keywords": "air; analyser; atmospheric; concentration; doi:10.1016; figure; filters; height; hydrocarbons; loq; monitoring; ozone; pahs; period; polycyclic; sampling; tower; urban", "summary": "Concentration of individual PAHs on the ground, filters from mercury analyser (ng/m3) CONCLUSION Measurements of PAHs concentrations from December 17, 2014 to December 9, 2015 at K\u0159e\u0161\u00edn near Pacov meteorological background station have produced unique results. 6: The sum of heavier PAHs concentration (4-6ring) for each height.", "mime": "application/pdf"}, {"id": "ap-418", "words": "2877", "extension": ".pdf", "flesch": "65", "author": "Fo\u0159t, I.; Kreibich, V.; Marek, J.", "title": "Study of Wear of Pitched Blade Impellers in a Solid-Liquid Suspension", "date": "2003", "keywords": "angle; blade; erosion; impeller; parameter; wear", "summary": "3 Results and discussion Four series of experiments were evaluated: an investiga- tion of pitched blade impellers with pitch angle cr' = 30 for both the larger and the smaller pilot plant systems and also pitched blade impellers with pitch angle a=45, again, for the larger and smaller pilot plant systems' During the erosion process of the pitched blade impeller caused by solid particles of silicious sand, its metal plane blades change shape mainly around the leading edge Marek A study was made oftke erosion wear ofthe blades ofpitched blade impellers in a suspension ofsilicious sand (Cv= 5 %, d", "mime": "application/pdf"}, {"id": "ap-4182", "words": "4997", "extension": ".pdf", "flesch": "66", "author": "Wagner, Marcel; Dangel, Felix; Cartarius, Holger; Main, J\u00f6rg; Wunner, G\u00fcnter", "title": "NUMERICAL CALCULATION OF THE COMPLEX BERRY PHASE IN NON-HERMITIAN SYSTEMS", "date": "2017", "keywords": "berry; complex; hermitian; parameter; phase; phys; space; states", "summary": "In this framework we develop a general numerical gauge smoothing procedure to calculate complex Berry phases from the biorthogonal basis of the system\u2019s non-Hermitian Hamiltonian. Keywords: complex Berry phase; PT symmetry; gauge smoothing.", "mime": "application/pdf"}, {"id": "ap-4185", "words": "3330", "extension": ".pdf", "flesch": "58", "author": "Strunina, Svitlana; Hozman, Jiri; Ostadal, Petr", "title": "RELATION BETWEEN LEFT VENTRICULAR UNLOADING DURING ECMO AND DRAINAGE CATHETER SIZE ASSESSED BY MATHEMATICAL MODELING", "date": "2017", "keywords": "blood; catheter; drainage; ecmo; extracorporeal; flow; value; volume", "summary": "The impact of various catheter sizes (from 5Fr to 10Fr) and extracorporeal blood flow values (from 1L/min to 5L/min) were investigated. Volume rate value withdraw from LV during VA ECMO in Modelica. 4.", "mime": "application/pdf"}, {"id": "ap-420", "words": "2733", "extension": ".pdf", "flesch": "57", "author": "Ji\u0159i\u010dkov\u00e1, M.; \u010cern\u00fd, R.; Rovnan\u00edkov\u00e1, P.", "title": "Measurement of Moisture Storage Parameters of Building Materials", "date": "2003", "keywords": "building; calcium; fig; material; moisture; parameters; pressure; retention; silicate; storage", "summary": "On the other hand, measur\u20acmenrs of moisture retention curves for building materials are still relatively rare (e.g., t3l, t4l), in contrast to the numerous measurements on soils (see, e.g., [5] for an overuiew). However, in many building-physics laboratories only the hygroscopic parts of moisture storage functions - the sorption isotherms - are commonly measured.", "mime": "application/pdf"}, {"id": "ap-422", "words": "4457", "extension": ".pdf", "flesch": "53", "author": "Beran, V.; Frkov\u00e1, J.", "title": "Significance of SMEs in the Czech Economy and Supporting SMEs as an Instrument of the Regional Development", "date": "2003", "keywords": "czech; development; economy; enterprises; industry; market; production; republic; share; smes; table; value", "summary": "In spite of the lower value added per worker created by SMEs, the welfare attributes of small enrrepreneurship make SMEs importanr for local and regional development. No. 2/2003 Significance of SMEs in the Czech Economy and Supporting SMEs as an Instrument of the Regional Development V. Beran, J. Frkov\u00e1 SMEs (Small and Medium Enterprises) are important segments of the economic landscape ofthe Cuclz Republic, since halfofeconomic production is attributable to SMEs (52.85 %).", "mime": "application/pdf"}, {"id": "ap-424", "words": "4337", "extension": ".pdf", "flesch": "58", "author": "Vognar, M.; \u0160im\u00e1n\u011b, \u010c.; Chv\u00e1til, D.", "title": "Twenty Years of Microtron Laboratory Activities at CTU in Prague", "date": "2003", "keywords": "acta; beam; czech; dose; electron; fields; fig; gamma; laboratory; microtron; prague; production; radiation; system; vognar; vol; \u0161im\u00e1n\u011b", "summary": "The arrangement enabled radiation beams with a high quality index (Fig. 7) to be obtained, and homogeneous 10 x IOcm2 photon and eIec\u00ad tron fields precise to 65 % to be generated, complying with the ICRP IAEA standards (F\u00edg. This r..-.6 to us an appropriate moment to summarize n,rrenty years of history of microtron laboratory activities at CTU in'prague.", "mime": "application/pdf"}, {"id": "ap-426", "words": "1092", "extension": ".pdf", "flesch": "58", "author": "Ficker, T.; Macur, J.", "title": "A Note on Normalised Distributions of DC Partial Microdischarges", "date": "2003", "keywords": "distribution; interval; normalisation; pareto", "summary": "=> y' =k' -ux, (15) k'=k-lnSp, (16) similar conclusions as for exponential distribution can be drawn: in bilogarithmic systems the normalisation proce\u00ad dure changes only the vertical position of the graph of the Pareto distribution and does not influence its functional char\u00ad acter (slope or asymmetricity). In other words, the normalisation procedure can\u00ad not change the results of physical processes and this fact also supports the employment of unnormalised distributions in statistical studies realised in physics and other fields ofscience and technology.", "mime": "application/pdf"}, {"id": "ap-428", "words": "1706", "extension": ".pdf", "flesch": "59", "author": "Seker, S.; Aydemir, M. E.; Apaydin, G.", "title": "A Simulation Study for Computing the Emissivity of Clouds", "date": "2003", "keywords": "cloud; cylinders; emissivity; fig; patterns; scattering", "summary": "No. 3/2003 A Simulation Study for Computing the Emissivity of Clouds S. Seker, M. E. Aydemir, G. Apaydin In fhis sttrdy, prnpagativn through uarious dirrriburiorc of loxy particles in clouds is investigated,. The bistatic scatlering patterns and emissiuities of uariorn $pes of clouds are cornputed for waaes of selected polarizations passr,ng through clouds with specifld sizes, shapes and distributions.", "mime": "application/pdf"}, {"id": "ap-4280", "words": "7829", "extension": ".pdf", "flesch": "61", "author": "\u0160torch, V\u00edt; No\u017ei\u010dka, Ji\u0159\u00ed", "title": "CONTRA-ROTATING PROPELLER AERODYNAMICS SOLVED BY A 3D PANEL METHOD WITH COUPLED BOUNDARY LAYER", "date": "2017", "keywords": "contra; figure; layer; method; model; panel; propeller; thrust; velocity; vortex; wake; \u22120.1", "summary": "Verification using single propeller wind tunnel results Based on the results obtained during recent series of measurements of model propellers in a wind tun- nel Wake behind single propeller.", "mime": "application/pdf"}, {"id": "ap-430", "words": "3201", "extension": ".pdf", "flesch": "66", "author": "Anderle, P.; Smr\u010dek, L.; Coton, F. N.", "title": "Aerodynamic Design and Experimental Investigation of the Sailplane Wing Tip Devices", "date": "2003", "keywords": "drag; fig; model; tip; traverse; tunnel; vol; wind; wing; winglet; wire", "summary": "l0: Wing tip model A E@H ct@tE6 the vorticity associated with the wingletAving junction does not appear as a single well defined vortex but rather as a more spread-out region of vorticity. During the o<perimental programme four kinds of wing tip were investigated; a wing without a winglet and then three 304C2 sailplane wing tips of dif- ferent design.", "mime": "application/pdf"}, {"id": "ap-432", "words": "4019", "extension": ".pdf", "flesch": "57", "author": "Holick\u00fd, M.", "title": "Risk Assessment in Advanced Engineering Design", "date": "2003", "keywords": "analysis; decision; design; engineering; fig; fire; hazard; node; probability; risk; situation; utility", "summary": "To reduce this drawback, methods of risk analysis and assessment have recently been developed [5, 6l and applied (e.g., [6]). trig. 3 shows a simplified network extracted from influence_diagrams developed for risk analysis of buildings under a fire design situation", "mime": "application/pdf"}, {"id": "ap-4339", "words": "3216", "extension": ".pdf", "flesch": "61", "author": "Fern\u00e1ndez, Francisco Marcelo; Garcia, Javier", "title": "HIGHLY ACCURATE CALCULATION OF THE REAL AND COMPLEX EIGENVALUES OF ONE-DIMENSIONAL ANHARMONIC OSCILLATORS", "date": "2017", "keywords": "eigenvalues; resonances", "summary": "\u2212 2E4 \u2212 23E3 \u2212 602E2 + 1030E \u2212 1412), (8) H0 2 (E) = 1 4465125(E + 9)(E5 \u2212 9E4 \u2212 187E3 \u2212 8217E2 + 78336E \u2212 348624), (9) In this section we also calculate several resonances supported by anharmonic oscillators that were not taken into account by those authors.", "mime": "application/pdf"}, {"id": "ap-434", "words": "7448", "extension": ".pdf", "flesch": "46", "author": "Horv\u00e1th, I.", "title": "Understanding the Order of Engineering Design Research", "date": "2003", "keywords": "design; design knowledge; design research; development; domain; engineering; engineering design; knowledge; methods; order; processes; product; reasoning; research; research trajectories; science; studies; theory; trajectories; vol", "summary": "Although it was found to be fundamentally empirical in nature, engineering design research has made design knowledge more theoretical by structural reasoning, abstraction and generalizarion, and logical processing t261. Keyuonls: engineefing design research,, leleologl of engineeilng design, natural slreant of knowledge, research categoties, research' d ornains, re search trni e ctories.", "mime": "application/pdf"}, {"id": "ap-436", "words": "4495", "extension": ".pdf", "flesch": "62", "author": "\u010cerm\u00e1k, J.; Gr\u00e1f, G.", "title": "Die Design for Near-Net Shape Forging", "date": "2003", "keywords": "billet; cavity; costs; design; die; forging; machining; material; shape; space; volume", "summary": "l: Possible changes of forging shape. o First - the manufacturing technique, i.e., forging methods, number of forging steps, etc, e Second - metal flow optimisation according to the actual type of forging and forging sequence (preform stage or final stage, etc.).", "mime": "application/pdf"}, {"id": "ap-438", "words": "3062", "extension": ".pdf", "flesch": "52", "author": "Valenta, P.; Valentov\u00e1, J.", "title": "Detailed Numerical Modeling of Flood Flow in Floodplains with Complex Geometry", "date": "2003", "keywords": "data; depth; equations; evaluation; fig; flood; flow; model; modeling; numerical; results; water", "summary": "While 3D models are still too demanding to be used for flood flow modeling, quasi-2D and 2D models can nowadays be more widely used to solve larger practical problems, even on personal computers. Detailed two-dimensional numerical rnodeling of flood flow in flooded urbanized areas with cornplex geometry using the 2D dlpth aaeraged model is presmted in this paper.", "mime": "application/pdf"}, {"id": "ap-4393", "words": "9238", "extension": ".pdf", "flesch": "60", "author": "Hevko, Bohdan Matviiovych; Hevko, Roman Bohdanovych; Klendii, Oleksandra Mykolaivna; Buriak, Mykola Vasyliovych; Dzyadykevych, Yurii Volodymyrovych; Rozum, Ruslan Ivanovych", "title": "IMPROVEMENT OF MACHINE SAFETY DEVICES", "date": "2018", "keywords": "balls; clutch; contact; drive; element; half coupling; hollows; operating; overload; rotation; screw; torque", "summary": "This model is described by the following set of equations \uf028 \uf029;21111 \uf06a\uf06a\uf06a \uf02d\uf02d\uf03d cTJ d \uf026\uf026 \uf028 \uf029 ;211221 mTcJ \uf02d\uf02d\uf03d \uf06a\uf06a\uf06a\uf026\uf026 (1) \uf028 \uf029;432322 \uf06a\uf06a\uf06a \uf02d\uf02d\uf03d cTJ m \uf026\uf026 \uf028 \uf029 ,43243 rTcJ \uf02d\uf02d\uf03d \uf06a\uf06a\uf06a\uf026\uf026 where Td \u2013 rotating torque of a drive; Tm \u2013 rotating torque at half couplings interaction; Tr \u2013 operating element shaft resistive torque; 1\u0441 - reduces torque stiffness of drive elements between an engine and a driven half coupling; 2\u0441 - reduced torque stiffness of drive elements between a driven half coupling and an operating element shaft; 1\uf06a - angle of drive shaft torque; 2\uf06a - angle of drive half coupling torque; 3\uf06a - angle of driven half coupling torque; 4\uf06a - angle of operating element shaft torque; 1J - equivalent drive moment of inertia; 21J - equivalent drive half coupling moment of inertia; 22J - equivalent driven half coupling moment of inertia; 3J - equivalent operating element shaft moment of inertia. Screw conveyer with an overload clutch: 1 \u2013 nut; 2 \u2013 spring element; 3 \u2013 axial bearing; 4 \u2013 driven half coupling; 5 \u2013 drive half coupling; 6 \u2013 hopper; 7 \u2013 screw body; 8 \u2013 screw feeder; 9 \u2013 pipe (screw feeder shaft); 10 \u2013 needle bearing; 11 \u2013 solid shaft; 12 \u2013 flange drive side; 13 \u2013 frame; 14 \u2013 flange non-drive side; 15 \u2013 angular contact bearing; 16 \u2013 balls; 17 \u2013 rack Fig.2.", "mime": "application/pdf"}, {"id": "ap-440", "words": "4247", "extension": ".pdf", "flesch": "53", "author": "Repici, G. M.; Sorniotti, A.", "title": "A General Approach to Study the Reliability of Complex Systems", "date": "2003", "keywords": "analysis; control; data; design; fig; functions; hardware; reliability; results; safety; software; system; vehicle", "summary": "Ke,worik: safety, systems reliability, fault tree anallsis (FTA), functional analysis (FA), handling, uhicle dynamic control (VDC) 1 Introduction Automobiles and land vehicles in general have seen a dramatic increase in complexity in recent years. 6 Conclusion and recommendations Our work has presented the preiiminary results and the overall methodological approach to the problem of designing reliability and safety in automotive systems since the very beginning of the developmenr.", "mime": "application/pdf"}, {"id": "ap-442", "words": "5132", "extension": ".pdf", "flesch": "49", "author": "Maier, K.", "title": "GIS, Information Technology and Spatial Planning", "date": "2003", "keywords": "access; czech; data; decision; gis; information; internet; making; planners; planning; presentation; public; technology; users; vol", "summary": "Thus the state, regional and/or local governments will have to guarantee the quality of public GIS data, and re- sponsibility for data and information offered on the market will be a matter of business law. To ensure that as many users as possible may benefit from on-line access to GIS information, the internet presentation will have to manage only with sofnvare that is generally avail- able, i.e., freeware.", "mime": "application/pdf"}, {"id": "ap-4422", "words": "10476", "extension": ".pdf", "flesch": "57", "author": "Kut\u00edlek, Patrik; \u0160koda, David; H\u00fdbl, J\u00e1n; \u010cern\u00fd, Rudolf; Frynta, Daniel; Landov\u00e1, Eva; Fr\u00fddlov\u00e1, Petra; Kurali, Aniko; Dosko\u010dil, Radek; K\u0159iv\u00e1nek, V\u00e1clav", "title": "PLATFORM WITH CAMERA SYSTEM FOR MEASUREMENT OF COMPENSATORY MOVEMENTS OF SMALL ANIMALS", "date": "2017", "keywords": "angles; animal; body; camera; control; data; head; markers; movement; pixels; platform; platform movement; system; unit", "summary": "Animal holder, 5. IMU, 6. Actuator unit, 7. Control and data collection unit, 8. PC controlling platform movement, 9. PC for data processing and determination of movement angles, 10. 2. Based on the information about the relative head angles in relation to the platform and angles of platform movement in Earth\u2019s coordinate system (i.e. platform pitch angle)", "mime": "application/pdf"}, {"id": "ap-4423", "words": "5944", "extension": ".pdf", "flesch": "68", "author": "Schnabel, Jan; Cartarius, Holger; Main, J\u00f6rg; Wunner, G\u00fcnter; Heiss, Walter Dieter", "title": "SIMPLE MODELS OF THREE COUPLED PT -SYMMETRIC WAVE GUIDES ALLOWING FOR THIRD-ORDER EXCEPTIONAL POINTS", "date": "2017", "keywords": "-symmetric; doi:10.1103; ep3; guides; matrix; model; order; parameter; phys; points; wave", "summary": "In addition it is demonstrated that continuous distributions of exceptional points, which render the discovery of the EP3 difficult, are not only a feature of extended wave guides but appear also in an idealised model of infinitely thin guides shaped by delta functions. In much rarer cases exceptional points of higher order (EPN) are discussed [27\u201330].", "mime": "application/pdf"}, {"id": "ap-4429", "words": "2646", "extension": ".pdf", "flesch": "53", "author": "Novotny, Jan; Machovska, Ilona", "title": "PRIMARY PEAK RATIO CORRELATION TO THE MEASUREMENT ACCURACY OF PIV METHOD", "date": "2018", "keywords": "correlation; displacement; error; measurement; metric; peak; value", "summary": "[1] IA Interrogation area CFT Couette Flow test PIV Particle Image Velocimetry SCC Standard Cross-correlation UFT Uniform Flow test Acknowledgements Technological Agency, Czech Republic, program Center of Competence, project #TE01020020 Josef Bo\u017eek Com- petence Centre for Automotive Industry, The ministry of education, Youth and Sports program NPU I (LO), project #LO1311, Development of Vehicle Centre of Sustainable Mobility. [8] Z. Xue, J. Charonko and P. Vlachos, \u201cSignal-to-noise ratio, Error and Uncertainty of PIV measurement,\u201d in International Symposium on Particle Image Velocimetry, Delft, The Netherlands, 2013, July 1-3. https://repository.tudelft.nl/islandora/object/ uuid:a6270b28-1132-4186-817e-259eef0e9d87/ datastream/", "mime": "application/pdf"}, {"id": "ap-4434", "words": "3067", "extension": ".pdf", "flesch": "45", "author": "Mra\u017e\u00edkov\u00e1, Anna; Velgosov\u00e1, Oksana; Kavuli\u010dov\u00e1, Jana; Krum, Stanislav; M\u00e1lek, Jaroslav", "title": "THE INFLUENCE OF SILVER NANOPARTICLES SYNTHESIS ON THEIR PROPERTIES", "date": "2018", "keywords": "agnps; algae; citrate; doi:10.1016; gelatin; green; nanoparticles; silver; sodium; synthesis", "summary": "SEM and TEM images and the antimicrobial effect of (a,top) biosynthesized AgNPs (b,middle) gelatin/sodium citrate-AgNPs (c,bottom) sodium citrate-AgNPs. from 416 to 433 nm points to the creation of larger average particle sizes as it was reported by many au- thors The UV-vis, SEM and TEM analy- ses revealed that biosynthesized AgNPs using algae extract exhibited long-term stability and also good antimicrobial activity against the green algae which could be attributed to the smallest sizes of the Ag- NPs.", "mime": "application/pdf"}, {"id": "ap-444", "words": "4911", "extension": ".pdf", "flesch": "61", "author": "Mordaka, J.; Gentle, R.", "title": "The Biomechanics of Gender Difference and Whiplash Injury: Designing Safer Car Seats for Women", "date": "2003", "keywords": "car; cervical; female; head; injuries; injury; males; model; neck; rear; risk; spine; vol; whiplash", "summary": "No. 3l20Az and horizontal motions are higher for female models, sug- gesting it might be related to a higher injury occurrence. ,,;.*::::tive ro c6 It should be noted that for female models there is higher downward translation during rebound motion, followed by an upward shift.", "mime": "application/pdf"}, {"id": "ap-446", "words": "4478", "extension": ".pdf", "flesch": "67", "author": "Gonz\u00e1lez-Betes, A.; Mart\u00ednez-Val, R.", "title": "Modeling the Aerodynamics and Performances of a Historic Airplane: the Spanish", "date": "2003", "keywords": "aircraft; airplane; aviation; cuatro; drag; engine; flight; fuel; madrid; maximum; spanish; speed; time; xix", "summary": "It is important to note that, as in other long distance flights, the fuel was a mixture of gasoline (80 %) and benzol (20 Vo), which provided the minimum specific fuel consumption and detonation free operation, which was crucial to avoid engine failures [5, 6]. l8 From the very beginning, because ofits excellent capabili- ties and flight qualities, this airpiane was used in some long distance attempts; for example the Madrid-Manila 18 stage flight in 1926", "mime": "application/pdf"}, {"id": "ap-4473", "words": "5453", "extension": ".pdf", "flesch": "64", "author": "\u0158\u00edha, Jakub; Kr\u00e1lovcov\u00e1, Ji\u0159ina", "title": "GENERATION OF TRANSPORT PATHS IN FRACTURED POROUS MEDIA", "date": "2017", "keywords": "case; concentration; figure; test; test case; time; transport; transport path", "summary": "In this article, a method for generation of transport paths in combined equivalent porous media / discrete fracture network computational meshes is proposed as an alternative to a particle tracking method. Keywords: transport paths; fractured porous media; Flow123D; particle tracking.", "mime": "application/pdf"}, {"id": "ap-4476", "words": "6347", "extension": ".pdf", "flesch": "74", "author": "Yadav, Rajesh Kumar; Kumari, Nisha; Khare, Avinash; Mandal, Bhabani Prasad", "title": "RATIONALLY EXTENDED SHAPE INVARIANT POTENTIALS IN ARBITRARY D DIMENSIONS ASSOCIATED WITH EXCEPTIONAL Xm POLYNOMIALS", "date": "2017", "keywords": "polynomials; potentials", "summary": "r \u2212 2(2B\u2032 \u2212 1)(2A\u2032 + 1) cosh r + 4A\u2032(A\u2032 + 1) + 2B\u2032 \u2212 1 )2 \u2212 8 (61) and \u03c7n,2(r) = Nn,2 (cosh r \u2212 1)(B\u2032\u2212A\u2032)/2(cosh r + 1)\u2212(B\u2032+A\u2032)/2 (2B\u2032 \u2212 1)(2B\u2032 \u2212 2) cosh2 r \u2212 2(2B\u2032 \u2212 1)(2A\u2032 + 1) cosh r + 4A\u2032(A\u2032 + 1) + 2B\u2032 \u2212 1 \u00d7 P\u0302 (B\u2032\u2212A\u2032\u2212 1 2 ,\u2212B \u2032\u2212A\u2032\u2212 1 2 ) n+2,2 (cosh r).", "mime": "application/pdf"}, {"id": "ap-448", "words": "2427", "extension": ".pdf", "flesch": "56", "author": "K\u00fcnne, B.; Mehlan, V.; Langenohl, A.", "title": "Heavy Load Rollers in Logistic Systems", "date": "2003", "keywords": "abrasion; bandage; load; material; severin; und; verlag; water; wear; wheel", "summary": "No. 412002 broad dimensioning; 800 N per cm wheel widths und 100 mm outer-@ depending on p adjustment by brake difference of speed set point and actual speed value contribution of intermediate material and the amount testing time fixed on 24 h 5 Results of research Using heary load wheels, abrasion occurs basically inde- pendently of the individual case and also independently of the boundary condit.ions Due to space and costs, heavy load wheels are always used at their mechanical load limit.", "mime": "application/pdf"}, {"id": "ap-4481", "words": "3440", "extension": ".pdf", "flesch": "71", "author": "Kumar, Sachin; Ahmed, Zafar", "title": "NEW SPECTRAL STATISTICS FOR ENSEMBLES OF 2 \u00d7 2 REAL SYMMETRIC RANDOM MATRICES", "date": "2017", "keywords": "distribution; matrices", "summary": "Maxwellian Distribution: f(x) = xe\u2212x2, x > 0 For R1 type of real symmetric matrix P (S) is not simple, however here we would like to show that when the PDF does not peak at x = 0, we get highly non-linear behaviour of P (S) near S = 0 Keywords: real symmetric matrices; Wigner surmise.", "mime": "application/pdf"}, {"id": "ap-450", "words": "5209", "extension": ".pdf", "flesch": "61", "author": "Hasal, P.; Fo\u0159t, I.; Krat\u011bna, J.", "title": "The Tangential Force Affecting the Radial Baffles in a Stirred Vessel: Analysis of the Macro-instability Related Component", "date": "2003", "keywords": "component; data; flow; force; frequency; impeller; instability; liquid; macro; mixing; values; vessel; vol", "summary": "[17] ob- served that higher MI frequency (about l0 7o of ltl) occurs at low impeller Reynolds number values, and that the lower 50 frequency. At each target position and relative impeller off-bottom clearance ClH, the value of Ren, was varied over the entire attainable inten'al.", "mime": "application/pdf"}, {"id": "ap-452", "words": "1522", "extension": ".pdf", "flesch": "68", "author": "Va\u0148ura, T.; \u0160t\u011bp\u00e1nek, P.; \u0160va\u0159\u00ed\u010dkov\u00e1, I.; Ad\u00e1mek, J.", "title": "Long-term Test Arrangement for Externally Strengthened Reinforced Concrete Elements", "date": "2003", "keywords": "concrete; epoxy; load; panels; strengthening; tests", "summary": "1: Time dependent deflections ofthree panels strengthened with a glass-fiber mat [2] under different load magnitudes The load position of two solitary forces was in one third of the span of each panel, but the strength of the load was dif- ferent for each of them. KEuords: carbon fiber (CFRP), glass fiber GERP), extemal strengtlrcning, epoxy-resin creep, test arrangement.", "mime": "application/pdf"}, {"id": "ap-4526", "words": "6449", "extension": ".pdf", "flesch": "54", "author": "Adam\u010d\u00edk, Martin; Sv\u011br\u00e1k, Tom\u00e1\u0161; Peciar, Peter", "title": "PARAMETERS EFFECTING FORCED VORTEX FORMATION IN BLADE PASSAGEWAY OF DYNAMIC AIR CLASSIFIER", "date": "2017", "keywords": "air; air classifier; blade; classifier; classifier rotor; fan; figure; flow; particles; passageway; radial; rotor; velocities; velocity; vortex", "summary": "Keywords: rotor air classifier, forced vortex, blade passageway, particle image velocimetry (PIV), numerical simulation CFD. This may be attributed to the difficulties related to the PIV implementation into rotor air classifier.", "mime": "application/pdf"}, {"id": "ap-454", "words": "8967", "extension": ".pdf", "flesch": "60", "author": "Calonius, O.; Saikko, V.", "title": "Analysis of Relative Motion between Femoral Head and Acetabular Cup and Advances in Computation of the Wear Factor for the Prosthetic Hip Joint", "date": "2003", "keywords": "brm; contact; cup; force; force track; gait; head; hip; joint; load; motion; pressure; relative; simulator; slide; slide track; sliding; surface; track; vol; wear", "summary": "Force track shown with thick line. whereas in the HUT:3, it was 3.8 (elliptical force track).", "mime": "application/pdf"}, {"id": "ap-4546", "words": "7278", "extension": ".pdf", "flesch": "62", "author": "Solna\u0159, Stanislav; Dost\u00e1l, Martin; Petera, Karel; Jirout, Tom\u00e1\u0161", "title": "APPLICATION OF THE TEMPERATURE OSCILLATION METHOD IN HEAT TRANSFER MEASUREMENTS AT THE WALL OF AN AGITATED VESSEL", "date": "2018", "keywords": "coefficients; figure; flow; heat; heat transfer; impeller; method; number; nusselt; reynolds; surface; temperature; turbine; vessel; wall", "summary": "Experimental methods based on measuring vari- ous thermal quantities (heat fluxes, heat flow rates, temperatures) are the ones most frequently used for determining values of heat transfer coefficients. Nowadays, numerical methods implemented in many CFD packages solving momentum and heat transport equations are also fre- quently used to determine heat transfer coefficients in laminar as well as turbulent flow regimes.", "mime": "application/pdf"}, {"id": "ap-4549", "words": "5163", "extension": ".pdf", "flesch": "57", "author": "Parente, Claudio; Pepe, Massimiliano", "title": "BATHYMETRY FROM WORLDVIEW-3 SATELLITE DATA USING RADIOMETRIC BAND RATIO", "date": "2018", "keywords": "area; band; bathymetry; data; depth; imagery; method; ratio; remote; satellite; sensing; values; water; worldview-3", "summary": "In addition, in particular places where it is difficult to carry out the survey by classic methods, the bathymetry from satellite data can be the only mode to obtain the depth of the backdrop. Using WV-3 satellite data and the Stumpf method, the paper intends to investigate the possibility of obtaining bathymetric data in a specific area where the water is not particularly clear.", "mime": "application/pdf"}, {"id": "ap-4553", "words": "3881", "extension": ".pdf", "flesch": "54", "author": "Kavuli\u010dov\u00e1, Jana; Mra\u017e\u00edkov\u00e1, Anna; Velgosov\u00e1, Oksana; Iv\u00e1nov\u00e1, Dana; Kubov\u010d\u00edkov\u00e1, Martina", "title": "STABILITY OF SYNTHESIZED SILVER NANOPARTICLES IN CITRATE AND MIXED GELATIN/CITRATE SOLUTION", "date": "2018", "keywords": "agnps; citrate; day; gelatin; nanoparticles; silver; size; stability; synthesis", "summary": "Average values of AgNPs diameter determined by DLS method and from TEM images, PDI and Z-potencial of AgNPs colloids on 7th and 118th day. The attachment of the stabilizer to AgNPs surface is probably related to their interaction strength", "mime": "application/pdf"}, {"id": "ap-456", "words": "3719", "extension": ".pdf", "flesch": "61", "author": "Bartu\u0161ek, K.; Gescheidtov\u00e1, E.", "title": "A Magnetic Resonance Measurement Technique for Rapidly Switched Gradient Magnetic Fields in a Magnetic Resonance Tomograph", "date": "2003", "keywords": "echo; field; gradient; magnetic; method; mr signal; pulse; signal; time", "summary": "Digitalised MR signal f(t) Instantaneous fiequency of MR signal O(t) Instantaneous phase of MR signal T2 Spin relaxation time TE Echo time - time of the spin echo creation 2 Introduction The quality of the gradient magnetic fields is an im- portant property of devices exploiting the phenomenon of magnetic resonance for imaging or localised spectroscopy. A comparison of the G, gradient time decay characterisrics obtained by the I[ IFSE, and IFSES methods is presented in Fig.", "mime": "application/pdf"}, {"id": "ap-4566", "words": "5398", "extension": ".pdf", "flesch": "56", "author": "Saplachidi, Alexandra; Vougioukas, Emmanouil", "title": "COMPARISON OF ACTUAL GROUND SETTLEMENTS IN TUNNELLING EXCAVATION TO MODEL PREDICTIONS", "date": "2018", "keywords": "ch0 +; excavation; ground; line; rock; section; settlements; support; surface; tunnel", "summary": "Keywords: lifelines; tunnel excavations; ground settlements; data monitoring; finite element method. In CH0+343, an increase of surface settlements which locally reached the point of 25mm was mani- fested.", "mime": "application/pdf"}, {"id": "ap-4576", "words": "4824", "extension": ".pdf", "flesch": "54", "author": "Tang, Chongchong; Grosse, Mirco Karl; Trtik, Pavel; Steinbr\u00fcck, Martin; St\u00fcber, Michael; Seifert, Hans J\u00fcrgen", "title": "H2 PERMEATION BEHAVIOR OF Cr2AlC AND Ti2AlC MAX PHASE COATED ZIRCALOY-4 BY NEUTRON RADIOGRAPHY", "date": "2018", "keywords": "coatings; cr2alc; figure; hydrogen; max; neutron; permeation; phase; radiography; ti2alc", "summary": "Keywords: MAX phase coating; Zircaloy; ATF; hydrogen permeation; neutron radiography. Neutron radiography images of the reference uncoated Zircaloy-4 specimens (a) before hydrogen loading and (b) after hydrogen permeation at 700 \u00b0C for 1 h (hydrogen dark).", "mime": "application/pdf"}, {"id": "ap-458", "words": "5385", "extension": ".pdf", "flesch": "55", "author": "B\u00edla, J.", "title": "To Whom Belongs Conceptual Design?", "date": "2003", "keywords": "cdp; concepts; design; emergence; engineering; knowledge; means; modelling; ontologies; process; research; space; support; system; uml; vol", "summary": "No. 412009 To Whom Belongs Conceptual Design? J. Bfla Th.e lieLd of Conceptual lytlry is aery alfue and is rapidly deteloping. 2 Semiotics, formal logic and evolutionary models The outcome of the process of Conceptual Design (in technological fields) is usually undersrood tobe a scheme.", "mime": "application/pdf"}, {"id": "ap-4586", "words": "5832", "extension": ".pdf", "flesch": "62", "author": "Ouamara, Daoud; Dubas, Fr\u00e9d\u00e9ric; Benallal, Mohamed Nadjib; Randi, Sid Ali; Espanet, Christophe", "title": "AUTOMATIC WINDING GENERATION USING MATRIX REPRESENTATION - ANFRACTUS TOOL 1.0", "date": "2018", "keywords": "coils; doi:10.1109; figure; ieee; layers; machines; matrix; number; slots; winding", "summary": "In order to achieve the desired performances for a given ap- plication, several types of windings are developed and studied, viz. [4\u201310]: full-pitch winding, short- pitch (or chorded) winding, long-pitch winding, con- centrated around teeth winding, distributed winding, wave winding, winding with one-two speeds, winding with dead coils, basket windings, skein winding, flat loop non-overlapped winding, flat loop overlapped winding (chain winding), skew winding, diamond winding, involute coil winding [4], toroidal winding", "mime": "application/pdf"}, {"id": "ap-4587", "words": "9586", "extension": ".pdf", "flesch": "76", "author": "Mas\u00e1kov\u00e1, Zuzana; Maz\u00e1\u010d, Jan", "title": "ON SELF-SIMILARITIES OF CUT-AND-PROJECT SETS", "date": "2017", "keywords": "cos; cut; matrix; project; self; sin", "summary": "Using this, and the expression for \u03c94 in terms of lower powers of \u03c9, namely \u03c94 = \u22121\u2212 \u03c9 \u2212 \u03c92 \u2212 \u03c93, we get from the remaining rows the following relations between the integer coefficients a, . . . \u03c92 \u2212 \u03c94 \u03c93 \u2212 \u03c94 1\u2212 \u03c92 \u03c93 \u2212 \u03c92 \u03c9 \u2212 \u03c92 \u03c94 \u2212 \u03c92 1\u2212 \u03c93 \u03c92 \u2212 \u03c93 \u03c94 \u2212 \u03c93 \u03c9 \u2212 \u03c93 \uf8f6\uf8f7\uf8f7\uf8f8 .", "mime": "application/pdf"}, {"id": "ap-4589", "words": "4619", "extension": ".pdf", "flesch": "69", "author": "Ohya, Satoshi", "title": "ALGEBRAIC DESCRIPTION OF SHAPE INVARIANCE REVISITED", "date": "2017", "keywords": "kepler", "summary": "d dx \u2212 j x + g j . For fixed j \u2208 { 1 2 , 3 2 , \u00b7 \u00b7 \u00b7 , \u03bdmax}, the energy eigenvalues and eigenfunctions are given by En = \u2212(j + n)2 \u2212 g2 (j + n)2 , n \u2208 {0, 1, \u00b7 \u00b7 \u00b7 , N}, (4.11) and \u03c8En,j(x) \u221d A\u2212(j)A\u2212(j + 1) \u00b7 \u00b7 \u00b7A\u2212(j + n\u2212 1)\u03c8En,j+n(x), (4.12) where N = max{n \u2208 Z\u22650 : j + n < \u221a g} = \u03bdmax \u2212 j and \u03c8En,j+n(x) \u221d (sinh x)j+n exp(\u2212 g j+nx).", "mime": "application/pdf"}, {"id": "ap-4598", "words": "3935", "extension": ".pdf", "flesch": "71", "author": "Maamache, Mustapha", "title": "NON-UNITARY TRANSFORMATION OF QUANTUM TIME-DEPENDENT NON-HERMITIAN SYSTEMS", "date": "2017", "keywords": "equation; evolution; hamiltonian; hermitian; phys; quantum; time", "summary": "Conclusion It has been established [21\u201323] that the general frame-work for a description of unitary time evolution for time-dependent non-Hermitian Hamiltonians can be based on the use of a time-dependent metric operator. We provide a new perspective on non-Hermitian evolution in quantum mechanics by emphasizing the same method as in the Hermitian quantum evolution.", "mime": "application/pdf"}, {"id": "ap-460", "words": "3259", "extension": ".pdf", "flesch": "54", "author": "Green, G.", "title": "Design Evaluation: Decomposition and State-space Analysis", "date": "2003", "keywords": "approach; concept; decomposition; design; evaluation; probability; process; state", "summary": "2 Decomposition of design Decomposition of design is well established in practice as a means of trying to simplifi the complexity of design activity [4]. Only through computer imple- mentation will the desired time reduction be achieved rvhilst being able to process data associated with a large number of design concepts and their associated set ofdesign characteris- tics.", "mime": "application/pdf"}, {"id": "ap-4603", "words": "3139", "extension": ".pdf", "flesch": "61", "author": "Fassari, Silvestro; Gadella, Manuel; Nieto, Luis Miguel; Rinaldi, Fabio", "title": "ON THE SPECTRUM OF THE ONE-DIMENSIONAL SCHR\u00d6DINGER HAMILTONIAN PERTURBED BY AN ATTRACTIVE GAUSSIAN POTENTIAL", "date": "2017", "keywords": "operator; state", "summary": "It is worth pointing out that the latter quantity is nothing else but the limit, as \u03b5\u2192 0+ of the trace class norm of Ba\u03b5 , since \u2016Ba\u03b5 \u20161 = 1\u221a 2\u03c0 \u222b +\u221e \u2212\u221e e\u2212p 2 sinh p2 p2 + \u03b52 dp = \u221a \u03c0 23\u03b52 ( 1\u2212 e2\u03b52 erfc( \u221a 2\u03b5) ) , (20) which ensures the convergence in the norm topology of trace class operators, as a consequence of a well-known theorem on operators belonging not only to the trace class T1 but to any ideal Tp (see [11]). Keywords: Schr\u00f6dinger equation; Gaussian potential; Birman-Schwinger method; trace class operators; Fredholm determinant.", "mime": "application/pdf"}, {"id": "ap-4605", "words": "4699", "extension": ".pdf", "flesch": "64", "author": "Campoamor-Stursberg, Rutwig", "title": "FUNCTIONAL REALIZATIONS OF LIE ALGEBRAS AS NOETHER POINT SYMMETRIES OF SYSTEMS", "date": "2017", "keywords": "algebra; lie; noether; point; symmetries; symmetry; systems", "summary": "378 http://dx.doi.org/10.1007/BF01177044 http://dx.doi.org/10.1080/16073606.1988.9631946 http://dx.doi.org/10.1016/j.cnsns.2014.01.006 http://dx.doi.org/10.1016/S0022-247X(03)00147-1 http://dx.doi.org/10.1016/j.physletb.2007.07.012 http://dx.doi.org/10.1063/1.4974264 http://dx.doi.org/10.1007/s0070 http://dx.doi.org/10.1063/1.4998715 http://dx.doi.org/10.1063/1.527118 http://dx.doi.org/10.1016/j.cnsns.2016.01.015 Acta Polytechnica 57(6):373\u2013378, 2017 1 Introduction 2 Lie and Noether point symmetries of systems 2.1 Perturbations that preserve symmetry subalgebras 3 Functional realizations of sl(2,R) as Noether symmetry algebra 3.1 Separable kinetic Lagrangians 3.2 Systems with fixed symmetry 4 Time-dependent Lagrangians 5 Conclusions Acknowledgements References Functional realizations of Lie algebras are applied to the problem of determining Lie and Noether point symmetries of Lagrangian systems in N dimensions, particularly in the plane.", "mime": "application/pdf"}, {"id": "ap-4607", "words": "6546", "extension": ".pdf", "flesch": "79", "author": "Kotvytskiy, Albert; Bronza, Semen; Shablenko, Vladimir", "title": "THE ANALYSIS OF IMAGES IN N-POINT GRAVITATIONAL LENS BY METHODS OF ALGEBRAIC GEOMETRY", "date": "2017", "keywords": "lens; point; set; system", "summary": "\u2212 x2 2y1 \u2212 x1 = 0, x2 1x2 + x3 2 \u2212 x2 1y2 \u2212 x2 2y2 \u2212 x2 = 0. (9) We calculate the result R1 by the variable x1 for which we represent the equation in lexicographic form{ x3 1", "mime": "application/pdf"}, {"id": "ap-4608", "words": "3640", "extension": ".pdf", "flesch": "58", "author": "Joglekar, Yogesh N; Vemuri, Gautam; Wilkey, Andrew", "title": "LAMBERT FUNCTION METHODs TO STUDY LASER DYNAMICS WITH TIME-DELAYED FEEDBACK", "date": "2017", "keywords": "carrier; equations; field; inversion; lambert; laser; time", "summary": "Since the intensity at very short times grows exponentially with the product of the differential gain coefficient \u03b6 and N(t), and because the steady-state value of N(t) is a function of the pumping P , one can manipulate these two quantities to slow down the exponential growth of laser intensity and thereby enhance the time window in which both conditions are simultaneously met. In this manuscript, we show that under some conditions, the rate equations model that is used to model semiconductor lasers with feedback can be analytically solved by using the Lambert W -function.", "mime": "application/pdf"}, {"id": "ap-4610", "words": "4163", "extension": ".pdf", "flesch": "67", "author": "Kov\u00e1cs, J\u00f3zsef; L\u00e9vai, G\u00e9za", "title": "ON THE COMMON LIMIT OF THE PT-SYMMETRIC ROSEN\u2013MORSE II AND FINITE SQUARE WELL POTENTIALS", "date": "2017", "keywords": "-symmetric; energy; phys; potential; real", "summary": "The PT -symmetrization of shape-invariant [5, 6, 8] and of the more general Natanzon-class potentials [7] that are solved in terms of the (confluent) hypergeometric function [9] revealed that the characteristic features of PT -symmetric potentials can conveniently be studied using the exact analytical solutions of these potentials. Keywords: PT -symmetric potential; bound states; scattering; Dirac-\u03b4 limit.", "mime": "application/pdf"}, {"id": "ap-4612", "words": "3903", "extension": ".pdf", "flesch": "73", "author": "Celeghini, Enrico; Gadella, Manuel; del Olmo, Mariano A", "title": "LIE ALGEBRA REPRESENTATIONS AND RIGGED HILBERT SPACES: THE SO(2) CASE", "date": "2017", "keywords": "hilbert; m=\u2212\u221e; rhs", "summary": "Since this theorem is only valid for |f\u3009, |g\u3009 \u2208 \u03a6, we conclude that (12) is only valid for |f\u3009 \u2208 \u03a6 from a strictly rigorous point of view. Since R(\u03b8) is unitary on L2[0, 2\u03c0] for any value of \u03b8 then R(\u03b8) is also unitary on H due to the unitarity of S. Unitary operators leaving \u03a6 invariant can be ex- tended to \u03a6\u00d7 by the duality formula (1), i.e., \u3008R(\u03b8)F |f\u3009 = \u3008F |R(\u2212\u03b8)f\u3009, \u2200 |f\u3009 \u2208 \u03a6, \u2200F \u2208 \u03a6\u00d7. Therefore, \u3008R(\u03b8)\u03c6|f\u3009", "mime": "application/pdf"}, {"id": "ap-4615", "words": "2909", "extension": ".pdf", "flesch": "69", "author": "Semoradova, Iveta", "title": "CRYPTO-HERMITIAN APPROACH TO THE KLEIN\u2013GORDON EQUATION", "date": "2017", "keywords": "equation; gordon; hermitian; klein; operator; phys; quantum", "summary": "Free Klein\u2013Gordon equation In case of free Klein\u2013Gordon equation operator K = \u2212\u2206 +m2 (16) acting on H = L2(R3) is positive and Hermitian. doi:10.1007/s10582-006-0395-9. 466 http://dx.doi.org/10.1142/S0217751X06028813 http://dx.doi.org/10.1088/0305-4470/37/40/016 http://dx.doi.org/10.1007/s10582-005-0127-6 http://dx.doi.org/10.1023/B:CJOP.0000044017.33267.58 http://dx.doi.org/10.1103/RevModPhys.30.24 http://dx.doi.org/10.1103/PhysRev.102.568 http://dx.doi.org/10.1142/S0219887810004816 http://dx.doi.org/10.1088/0034-4885/70/6/R03 http://dx.doi.org/10.1016/j.aop.2011.12.009 http://dx.doi.org/10.1007/s10582-006-0395-9 Acta Polytechnica 57(6):462\u2013466, 2017 1 Introduction 2 Klein-Gordon equation in Schr\u00f6dinger form 2.1 Eigenvalues 2.2 Free Klein\u2013Gordon equation 3 Crypto-Hermitian approach 3.1 Computation of the metric 3.2 The discrete case 4 Conclusions Acknowledgements References", "mime": "application/pdf"}, {"id": "ap-462", "words": "5234", "extension": ".pdf", "flesch": "48", "author": "Jarsk\u00fd, \u010c.", "title": "On Planning and Managing the Preservation of Historical Buildings", "date": "2003", "keywords": "building; building process; construction; diagram; model; network; process; processes; project; quality; technology; time", "summary": "On the basis of typical network diagrams and a database of construction processes, a model of the actual erection of a building and a model of its maintenance and re- construction can be automatically created. The technological standard (technological analysis sheet or programme) determines the technological structure of the production process (the sequence of construction processes, volume of production, labour and cost consumption, number and type ofworkers or machines, etc.).", "mime": "application/pdf"}, {"id": "ap-464", "words": "3977", "extension": ".pdf", "flesch": "57", "author": "Jel\u00ednek, I.", "title": "Modal Logic - a Tool for Design Process Formalisation", "date": "2003", "keywords": "design; logic; modal; \ufffd \ufffd", "summary": "Let us introduce the frame of worlds [1] (structure [14]) formally as an ordered couple: \ufffd \ufffdF W R\ufffd , , where W set of worlds, R R W W\ufffd \ufffd , binary relation (accessibility relation). The model (P-model) within the frame \ufffd \ufffdF W R\ufffd , will be then called a triad: \ufffd \ufffdM W R V\ufffd , , where V: P \ufffd 2W. V maps each atomic formula p P\ufffd to the subset \ufffd \ufffdV p W\ufffd and therefore represents all worlds w W\ufffd in which p is valid.", "mime": "application/pdf"}, {"id": "ap-466", "words": "3829", "extension": ".pdf", "flesch": "53", "author": "Makovi\u010dka, D.; Kr\u00e1l, J.; Makovi\u010dka, D.", "title": "Verification of the Wind Response of a Stack Structure", "date": "2003", "keywords": "frequencies; response; steel; structure; wind; wind velocity", "summary": "The probable magnitude of the response of the structure to wind effects under the design load could then be estimated by multiplying the ascertained response by the ratio of the squares of the design and measured wind velocities in accordance with the above considerations. The measured vibration histories in terms of ac- celeration, velocities and relative deformations, together with the measurements of wind velocity and direction, were evalu- ated by a computer and compared with the response values assumed in the design, with the natural frequencies of the GRP extension according to the designer\u2019s computation and with the frequencies of the dominant vibration sources \u2013 ma- jor machines in the environs of the stack.", "mime": "application/pdf"}, {"id": "ap-4664", "words": "5592", "extension": ".pdf", "flesch": "65", "author": "Dvo\u0159\u00e1\u010dek, Filip", "title": "SURVEY OF SELECTED PROCEDURES FOR THE INDIRECT DETERMINATION OF THE GROUP REFRACTIVE INDEX OF AIR", "date": "2018", "keywords": "air; ciddor; equations; group; index; leica; ppm; procedures; refractive", "summary": "Keywords: group refractive index of air; electronic distance measurement; first velocity correction; laser tracker; Leica AT401. The article does not cover other approaches such as a multi-wavelength interferometry, frequency comb lasers, femto-second lasers etc. which can achieve direct measurement of refractive indices [2].", "mime": "application/pdf"}, {"id": "ap-4668", "words": "3028", "extension": ".pdf", "flesch": "52", "author": "Ayeleso, Ayokunle Oluwaseun; Kahn, Mohamed T. E.", "title": "EXPERIMENTAL CHARACTERIZATION OF A MAGNETOHYDRODYNAMIC POWER GENERATOR UNDER DC ARC PLASMA", "date": "2018", "keywords": "arc; figure; generator; mhd; plasma; power; voltage", "summary": "Measured power from the MHD generator under DC arc plasma experiment. The systemic offset voltage measured without DC arc plasma.", "mime": "application/pdf"}, {"id": "ap-468", "words": "4827", "extension": ".pdf", "flesch": "62", "author": "Titlestad, J.; Fairlie-Clarke, T.; Davie, M.; Whittaker, A.; Grant, S.", "title": "Experimental Evaluation of Mountain Bike Suspension Systems", "date": "2003", "keywords": "bicycle; bumps; rear; results; roller; suspension; suspension system; system; tests; wheel", "summary": "SU bicycles perform well in laboratory tests, but HT bicycles seem to have the advantage in time trials and races. The great majority of competition mountain bikes include a front sus- pension, but most professional cross-country cyclists do not ride full suspension bicycles [1].", "mime": "application/pdf"}, {"id": "ap-4680", "words": "7816", "extension": ".pdf", "flesch": "45", "author": "Horov\u010d\u00e1k, Pavel; Terp\u00e1k, J\u00e1n", "title": "THERMOCHEMICAL CALCULATIONS USING SERVICEORIENTED ARCHITECTURE IN THE WEB SERVICE FORM", "date": "2018", "keywords": "application; calculations; chemical; chemical reaction; equilibrium; error; form; functions; language; reaction; service; temperature; web; web service", "summary": "Keywords: thermochemical calculation; chemical reaction; service-oriented architecture; web service. Web services and cloud computing", "mime": "application/pdf"}, {"id": "ap-4685", "words": "9459", "extension": ".pdf", "flesch": "55", "author": "Mohammadi Farhadi, Rahman; Kortunov, Vyacheslav; Molchanov, Andrii; Solianyk, Tatiana", "title": "ESTIMATION OF THE LATERAL AERODYNAMIC COEFFICIENTS FOR SKYWALKER X8 FLYING WING FROM REAL FLIGHT-TEST DATA", "date": "2018", "keywords": "case; coefficients; data; estimation; flight; identification; linearity; lsm; model; oem; optimization; parameters; sx8fw; uav; values; wind", "summary": "Estimated aerodynamic parameters are compared with the theoretically calculated coefficients of the UAV, moreover, the dynamic model is validated with additional flight-test data and small covariances of the estimated parameters. Output signals for mathematical models with estimated parameters of all of the approaches are given in Figures 10\u201314.", "mime": "application/pdf"}, {"id": "ap-4695", "words": "8011", "extension": ".pdf", "flesch": "57", "author": "Fekete, Roman; \u017d\u00e1kov\u00e1, Ter\u00e9zia; Gabri\u0161ov\u00e1, \u013dudmila; Kotora, Peter; Peciar, Peter; Gahurov\u00e1, Dominika; Slaninov\u00e1, Miroslava", "title": "OPTIMALIZATION OF PHOTOREACTOR GEOMETRY FOR THE CULTIVATION OF CHLAMYDOMONAS REINHARDTII", "date": "2018", "keywords": "algae; biomass; conditions; cultivation; culture; experiments; figure; growth; growth rate; light; medium; photoreactor; vessels; volume; yield", "summary": "Investigation of the influence of the geometrical similarity on algae growth rate: a) after filling the cylinders with the culture media with the initial concentration of algae 24. An optimal ratio between biomass growth rate and its gross biomass yield as a function of the photoreactor geometry is searched.", "mime": "application/pdf"}, {"id": "ap-4699", "words": "6147", "extension": ".pdf", "flesch": "74", "author": "Legersk\u00fd, Jan", "title": "MINIMAL NON-INTEGER ALPHABETS ALLOWING PARALLEL ADDITION", "date": "2018", "keywords": "a[\u03b2; addition; integer; parallel; z[\u03b2", "summary": "Parallel addition, i.e., addition with limited carry propagation has been so far studied for complex bases and integer alphabets. We give necessary conditions on the alphabet allowing parallel addition.", "mime": "application/pdf"}, {"id": "ap-470", "words": "2041", "extension": ".pdf", "flesch": "66", "author": "Cho, H.; Oh, B.; Jo, C.; Lee, K.", "title": "Process Design for Hot Forging of Asymmetric to Symmetric Rib-web Shaped Steel", "date": "2003", "keywords": "die; fig; forging; process; stage", "summary": "There- fore, optimal die design is necessary in order to avoid an increase in the forming load. [N/mm] [N/mm] Fig. 9: Impressed load per unit length of the side and top die: a) side die, b) top die Fig.", "mime": "application/pdf"}, {"id": "ap-4701", "words": "3474", "extension": ".pdf", "flesch": "59", "author": "H\u016flkov\u00e1, Martina; Pavelka, Karel; Matou\u0161kov\u00e1, Eva", "title": "AUTOMATIC CLASSIFICATION OF POINT CLOUDS FOR HIGHWAY DOCUMENTATION", "date": "2018", "keywords": "classification; cloud; image; method; objects; point; raster; terrain", "summary": "The crucial part of the roadway datasets processing, as well as in many other applications, is the extraction of objects of interest from point clouds. Despite the fact that the concept of the method for overall structure recognition from mobile laser scanned point clouds was presented in [2], most of the later presented works still focuses on the detection of a sole object type.", "mime": "application/pdf"}, {"id": "ap-4702", "words": "3491", "extension": ".pdf", "flesch": "55", "author": "Ma\u0161ek, Zden\u011bk; Diblikova, Linda", "title": "HYDROPHOBIC IMPREGNATION OF GEOPOLYMER COMPOSITE BY ETHOXYSILANES", "date": "2018", "keywords": "composite; geopolymer; hydrophobic; impregnation; samples; solution; surface; water", "summary": "188 http://dx.doi.org/10.5923/j.textile.20150404.03 http://dx.doi.org/10.1016/j.porgcoat.2013.03.018 http://dx.doi.org/10.1023/A:1022627926243 http://dx.doi.org/10.1111/j.1551-2916.2004.01782.x http://dx.doi.org/10.1016/j.apsusc.2005.12.020 http://dx.doi.org/10.1016/j.tsf.2005.12.245 http://dx.doi.org/10.1039/C7RA04863G Acta Polytechnica 58(3):184\u2013188, 2018 1 Introduction 2 Materials and methods 2.1 Preparation of geopolymer resin and composite samples 2.2 Preparation of hydrophobic solutions and impregnation of samples 2.3 Testing of hydrophobic agents' effectivity 3 Results and discussion 3.1 Effect of treatments on contact angle and storage modulus 3.2 Change of composites properties due to water uptake and sorption of water vapor 4 Conclusion Acknowledgements References Solutions C and F were synthesized based on a procedure for the binder of zinc-silicate paint [11].", "mime": "application/pdf"}, {"id": "ap-4708", "words": "4635", "extension": ".pdf", "flesch": "55", "author": "Krupi\u010dka, Jan; Picek, Tom\u00e1\u0161; Zrostl\u00edk, \u0160t\u011bp\u00e1n", "title": "REDUCTION OF UNCERTAINTIES IN LASER STRIPE MEASUREMENT OF SOLID PARTICLES CONCENTRATION", "date": "2018", "keywords": "brightness; bth; concentration; figure; laser; measurement; position; wall", "summary": "Keywords: laser stripe measurement; coarse particle concentration; solid fraction measurement; fluidization cell; brightness threshold. Relation between threshold brightness Bth and concentration c evaluated from LSM measurement.", "mime": "application/pdf"}, {"id": "ap-4711", "words": "5791", "extension": ".pdf", "flesch": "62", "author": "M\u00e1lek, Jaroslav; Hnilica, Franti\u0161ek; Bart\u00e1kov\u00e1, Sonia; M\u00edka, Patrik; Vesel\u00fd, Jaroslav", "title": "THE EFFECT OF DIFFERENT FORMS OF OXYGEN ON PROPERTIES OF BETA TITANIUM ALLOYS", "date": "2018", "keywords": "content; oxidation; oxygen; oxygen content; powder; specimens; strength; titanium; values", "summary": "Titanium powder oxidation has been used for this purpose. Titanium powder oxidation has been used for this purpose.", "mime": "application/pdf"}, {"id": "ap-4714", "words": "2685", "extension": ".pdf", "flesch": "59", "author": "\u0158ehounek, Lubo\u0161; Denk, Franti\u0161ek; J\u00edra, Ale\u0161", "title": "NUMERICAL SIMULATIONS OF STATIC STRENGTH OF NOVEL DENTAL IMPLANTS", "date": "2018", "keywords": "implant; ribs; stem; stress; variant", "summary": "Both implants belong to the \u201cpush-in\u201d category of dental implants. is generally not enough space (e.g., in between two roots of adjacent teeth). All analysed implants are from the \u201cpush-in\u201d category of dental implants.", "mime": "application/pdf"}, {"id": "ap-4716", "words": "3160", "extension": ".pdf", "flesch": "60", "author": "Kr\u010dil, Jan; M\u00e1ra, Vladim\u00edr; Krum, Stanislav; Sobotov\u00e1, Jana", "title": "THE CHARACTERIZATION OF ANODIC OXIDE LAYERS ON SELECTED BIO-COMPATIBLE TITANIUM ALLOYS", "date": "2018", "keywords": "layer; oxide; roughness; samples; surface; thickness; ti6al4v", "summary": "Oxide layers on titanium alloy surfaces have an influence on bio-compatibility and corrosion resistance. In order to improve them, properties of oxide layers are examined.", "mime": "application/pdf"}, {"id": "ap-4718", "words": "4649", "extension": ".pdf", "flesch": "58", "author": "Skalick\u00fd, Michal", "title": "APPLICATION OF CORROSION PLATES IN DRINKING WATER", "date": "2018", "keywords": "corrosion; corrosion rate; drinking; drinking water; evaluation; exposure; plates; rate; system; water; weight", "summary": "Acta Polytechnica doi:10.14311/AP.2018.58.0209 Acta Polytechnica 58(3):209\u2013216, 2018 \u00a9 Czech Technical University in Prague, 2018 available online at http://ojs.cvut.cz/ojs/index.php/ap APPLICATION OF CORROSION PLATES IN DRINKING WATER Michal Skalick\u00fd\u2217, Pavel Buri\u00e1nek Czech Technical University in Prague, Department of Sanitary and Ecological Engineering, Czech Republic \u2217 corresponding author: michal.skalicky@fsv.cvut.cz Abstract. Corrosion rate evaluations according to consecutive intervals \u2014 June 25th\u2013September 17 2013 (0\u201382 days) and September 17th\u2013December 2nd 2013 (0\u201376 days)", "mime": "application/pdf"}, {"id": "ap-472", "words": "5518", "extension": ".pdf", "flesch": "64", "author": "Ry\u015b, J.; Sanecki, H.; Trojnacki, A.", "title": "Analysis of Gear Wheel-shaft Joint Characterized by Comparable Pitch Diameter and Mounting Diameter", "date": "2003", "keywords": "d \ufffd; joint; parameter \ufffd; tg \ufffd; u \ufffd; \ufffd f; \ufffd p; \ufffd \ufffd", "summary": "The forces F b( ) and \ufffdFa ( )2 produce the resultant contact pressure at the conical surface of the joint \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd p v s k k k kt b bE sE bE * sin sin cos ( ) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd1 1 2 2 2 tg sE u u u Q 4 1 2\ufffd \ufffd \ufffd \ufffdtg \ufffd \ufffd \ufffd \ufffd , (12) where v d DmN b\ufffd ( ) . 4: Distribution of resultant contact pressure in the frictional joint loaded with the bending moment In Eqs. (17), \ufffd \ufffd\ufffd\ufffd b and \ufffd \ufffd\ufffd\ufffd t denote the products of partial fatigue factors, calculated for the considered part of the shaft in pure bending separately, and in pure torsion separately, and Sbn r , Stn r , Stn o stand for the endurance stresses in re- versed bending, reversed torsion, and one-direction torsion, respectively.", "mime": "application/pdf"}, {"id": "ap-4720", "words": "5778", "extension": ".pdf", "flesch": "57", "author": "Hol\u010dapek, Ond\u0159ej; Reiterman, Pavel; Konvalinka, Petr", "title": "APPLICABILITY OF CARBON FIBRES IN REFRACTORY CEMENT COMPOSITES", "date": "2018", "keywords": "carbon; cement; ceramic; composite; fibres; fracture; refractory; strength; temperature", "summary": "The main objective of this article is to present the influence of high temperatures on mechanical properties of advanced refractory cement composite reinforced with carbon fibres. The action of high temperatures was investigated on two temperature levels 600 \u00b0C and 1000 \u00b0C and was compared to reference specimens dried at 105 \u00b0C.", "mime": "application/pdf"}, {"id": "ap-4737", "words": "3483", "extension": ".pdf", "flesch": "47", "author": "Pokorn\u00fd, Marek", "title": "RAPID VISUALIZATION OF THE MASS DISTRIBUTION PROFILE OF ELECTROSPUN LAYERS", "date": "2018", "keywords": "analysis; collector; distribution; electrospinning; layers; mass; materials; process; thickness", "summary": "A series of experiments proved that the developed collector allows an easy evaluation of the appearance of nanofibrous layers as well as the effects of many associated factors such as emitter configuration on the resulting sample. The results showed how the properties of nanofibrous layers (such as deposition zone dimensions, location of these zones, mass distribution profiles produced by different spinning nozzles) can change during the electrospinning process.", "mime": "application/pdf"}, {"id": "ap-474", "words": "2894", "extension": ".pdf", "flesch": "52", "author": "Divi\u0161, M.; Tich\u00e1nek, R.; \u0160paniel, M.", "title": "Heat Transfer Analysis of a Diesel Engine Head", "date": "2003", "keywords": "contact; cylinder; fig; head; heat; transfer; valve", "summary": "It contains a detailed description of a C/28 series diesel engine head FE model and a discussion of heat transfer analysis tunning and results. Keywords: heat transfer analysis, FEM, internal-combustion engine.", "mime": "application/pdf"}, {"id": "ap-4740", "words": "5818", "extension": ".pdf", "flesch": "79", "author": "Quesne, Christiane", "title": "QUASI-EXACTLY SOLVABLE SCHR\u00d6DINGER EQUATIONS, SYMMETRIC POLYNOMIALS AND FUNCTIONAL BETHE ANSATZ METHOD", "date": "2018", "keywords": "equation; polynomials; terms", "summary": "= \u2212 q\u22121\u2211 t=0 [2(n\u2212 1)ak\u2212t + bk\u2212t\u22121]m(q\u2212t,0\u0307) \u2212 [q/2]\u2211 s=1 q\u22122s\u2211 t=0 2ak\u2212tm(q\u2212t\u2212s,s,0\u0307) \u2212 n(n\u2212 1) k(k \u2212 1) q(2k \u2212 q \u2212 1)ak\u2212q \u2212 n k \u2212 n(n\u2212 1) k(k \u2212 1) q(2k \u2212 q \u2212 1)ak\u2212q \u2212 n k", "mime": "application/pdf"}, {"id": "ap-4742", "words": "11998", "extension": ".pdf", "flesch": "61", "author": "Rycht\u00e1rikov\u00e1, Renata; Urban, Jan; \u0160tys, Dalibor", "title": "\u017dAMPA\u2019S SYSTEMS THEORY: A COMPREHENSIVE THEORY OF MEASUREMENT IN DYNAMIC SYSTEMS", "date": "2018", "keywords": "abstract; attributes; causal; cause; definition; figure; image; information; model; set; state; sub; system; theory; time; trajectory; variables; \u017eampa", "summary": "From the point of view of \u017dampa\u2019s theory, terms like system time, system attributes, system link, system element, input, output, sub-systems, and state variables are defined. System time and attributes System events occur at certain objects of the real world and represent themselves by changes of certain quali- ties which we are able to perceive in a certain way and organize in our mind.", "mime": "application/pdf"}, {"id": "ap-476", "words": "2116", "extension": ".pdf", "flesch": "57", "author": "Jokele, B.; Fuchs, D. K.", "title": "Reducing Time for the Product Development Process by Evaluation in the Phase of Solution Searching", "date": "2003", "keywords": "development; fig; process; product; time", "summary": "Due to the fact that the problem occurs shortly be- fore or after product launch, a characteristic feature of 40 \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ Acta Polytechnica Vol. 43 No. 5/2003 Reducing Time for the Product Development Process by Evaluation in the Phase of Solution Searching B. Jokele, D. K. Fuchs Less and less time is available for product development process. Keywords: troubleshooting, change management, concurrent use of methods. - normal process preventive measures minor failings to acceptable customer 1 2 3 P ro du ct io n pr ep ar at io n C la rif yi ng th e ta sk C on ce pt ua l d es ig n E m bo di m en t d es ig n D et ai l d es ig n trouble shooting normal process preventive measures ro du ct la un ch P unfullfilled requirements, or failings time major failings 1 2 3 Fig. 1: Possible stages in product development process a troubleshooting situation is lack of time.", "mime": "application/pdf"}, {"id": "ap-4768", "words": "4007", "extension": ".pdf", "flesch": "59", "author": "H\u00e1jkov\u00e1, Petra; J\u00edra, Ale\u0161; \u0158ehounek, Lubo\u0161", "title": "VERIFICATION OF BEHAVIOUR OF HUMAN ENAMEL FOR FRACTURE TOUGHNESS DETERMINATION", "date": "2018", "keywords": "cracks; enamel; energy; fracture; hardness; indentation; method; modulus; toughness", "summary": "Fracture toughness describes the resistance of the material against the propagation of cracks at given stress values. A part of the re- view was also dedicated to a comparison of results of fracture toughness, determined by the VIF method using three different popular equations, for standard reference material (SRM).", "mime": "application/pdf"}, {"id": "ap-478", "words": "1041", "extension": ".pdf", "flesch": "54", "author": "Geromiller, H.-P.; Farschtschi, A.", "title": "Numerical Calculation of Electric Fields in Housing Spaces Due to Electromagnetic Radiation from Antennas for Mobile Communication", "date": "2003", "keywords": "electric; field", "summary": "2: Dependency of maximum electric field strength inside a housing space referred to incident electric field strength (Emax /Einc) over angle of incidence (\ufffd) References It should be taken into account that the effects of electromagnetic radi- ation on humans are quadratically dependent on the electric field strength, as these effects are mainly related to the ener- getic density of the electromagnetic waves, and therefore the negative impacts on humans increase disproportionately with electric field strength.", "mime": "application/pdf"}, {"id": "ap-4799", "words": "5740", "extension": ".pdf", "flesch": "52", "author": "Dobrotvorskiy, Sergey; Aleksenko, Borys; Dobrovolska, Ludmila; Basova, Yevheniia", "title": "EFFECT OF THE APPLICATION OF MICROWAVE ENERGY ON THE REGENERATION OF THE ADSORBENT", "date": "2018", "keywords": "adsorbent; adsorption; air; energy; fig; microwave; moisture; process; regeneration; regeneration process; temperature; volume", "summary": "\u03c10(cp)pth(T3 \u2212 T2) + Md(cp)d +Mv(cp)v(T3 \u2212 T1) + q1 \u03c10(cp)pth(T3 \u2212 T2) , (1) where Qp \u2014 amount of purge air; Mw \u2014 mass of adsorbed water, kg/column; Md \u2014 mass of adsorbent, kg/column; Mv \u2014 mass of purge air, kg/column; Ha \u2014 heat of adsorption, J/mol; cp \u2014 specific heat; q1 \u2014 external heat loss; \u03c10 \u2014 air density (at sea level, at 75 \u00b0C = 1.225 kg/m3); T1 \u2014 initial temperature of the adsorbent, \u00b0C; T2 \u2014 purge air temperature at the inlet, \u00b0C; T3 \u2014 purge air temperature at the outlet, \u00b0C; th \u2014 heating regeneration time, s. It should also be taken into account that silica gel loses its useful properties when it overheats above 200 \u00b0C. Ac = Qc\u03c10tc 1.25Md , (2) where Ac \u2014 amount of cooling air; Md \u2014 mass of adsorbent, kg/column; Qc \u2014 cooling air consump- tion, m3/sec; \u03c10 \u2014 air density (at sea level, at 15 \u00b0C, 1.225 kg/m3); tc \u2014 cooling time, s. It should be noted that if the first stage of the re- generation process takes place at a lower temperature, this reduces the time of the regeneration process by reducing the cooling time of the adsorbent in the sec-", "mime": "application/pdf"}, {"id": "ap-480", "words": "3506", "extension": ".pdf", "flesch": "71", "author": "Br\u016f\u017eek, B.; Leidich, E.", "title": "Numerical Simulation of Stresses in Thin-rimmed Spur Gears with Keyway", "date": "2003", "keywords": "keyway; root; stress; tooth; \ufffd \ufffd", "summary": "[mm] Fig. 8: Stress distribution in the loaded root of the tooth (left) and in the keyway (right) for double-sided torque distribution; \ufffd \ufffd 2.5\u00b0; module 2 mm; normal force on tooth Z3; \ufffd, \ufffd: see Fig. 7. 8 Length of the key In the practice the variant with the flush hub and key of- ten occurs. 9: Stress distribution in the loaded root of the tooth (left) and in the keyway (right) for one-sided torque distribution; \ufffd \ufffd 2.5\u00b0; mod- ule 2 mm; normal force on tooth Z3; \ufffd, \ufffd: see Fig. 7 0,2 0,4 0,6 0,8 1 5 10 15 20 25 30 35 40 -800 -600 -400 -200 0 200 400 600 800 -800 -600 -400 -200 0 200 400 600 800 0 0,2 0,4 0,6 0,8 5 10 15 20 25 30 35 40 -200 0 200 400 600 800 1.000 1.200 1.400 -200 0 200 400 600 800 1.000 1.200 1.400 z", "mime": "application/pdf"}, {"id": "ap-482", "words": "4903", "extension": ".pdf", "flesch": "65", "author": "Vyhl\u00eddal, T.; Z\u00edtek, P.", "title": "Anisochronic Internal Model Control Design", "date": "2003", "keywords": "model \ufffd; s \ufffd; \ufffd exp; \ufffd f; \ufffd g; \ufffd j; \ufffd \ufffd", "summary": "Since model (5) is supposed to approximate model (20) in the low frequency range, the points of the frequency response being approximated have been chosen those with \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd\ufffd \ufffd \ufffd \ufffd1 1 2\ufffd \ufffd \ufffdarg P j and \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd\ufffd \ufffd \ufffd \ufffd2 2\ufffd \ufffd \ufffdarg P j . Considering variable s as a complex variable, i.e., s \ufffd \ufffd\ufffd \ufffdj , the complex roots of (6) are the solutions of the equations \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffdRe exp cosN s a\ufffd \ufffd \ufffd \ufffd1 0\ufffd\ufffd \ufffd\ufffd (7) \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffdIm exp sinN s a\ufffd \ufffd \ufffd\ufffd\ufffd \ufffd\ufffd 0 (8) which result from splitting equation (6) into real and imagi- nary parts.", "mime": "application/pdf"}, {"id": "ap-4833", "words": "5630", "extension": ".pdf", "flesch": "58", "author": "Machovec, Jan; Reiterman, Pavel", "title": "INFLUENCE OF AGGRESSIVE ENVIRONMENT ON THE TENSILE PROPERTIES OF TEXTILE REINFORCED CONCRETE", "date": "2018", "keywords": "concrete; environment; figure; matrix; point; reinforcement; samples; strength; textile; trc", "summary": "Three types of used textile reinforcement. Results Performed experimental program was focused on the assessment of the resistance of TRC made of HPC matrix and glass textile reinforcement to various aggressive environments.", "mime": "application/pdf"}, {"id": "ap-484", "words": "3574", "extension": ".pdf", "flesch": "52", "author": "Lazim, Tholudin Mat; Mat, Shabudin; Saint, Huong Yu", "title": "Computational Fluid Dynamic Simulation (CFD) and Experimental Study on Wing-external Store Aerodynamic Interference of a Subsonic Fighter Aircraft", "date": "2003", "keywords": "aircraft; cfd; fig; model; pressure; store; surface; tunnel; wing", "summary": "Research on external store installation is complex and extensive. The methods for determining the influence of stores on the wing will be used to simulate the full size of this fighter aircraft with real size external store.", "mime": "application/pdf"}, {"id": "ap-4850", "words": "3613", "extension": ".pdf", "flesch": "60", "author": "Senk, Josef; Laznickova, Ilona; Jakubova, Ivana", "title": "UPDATED VERSION OF THE SIMPLIFIED MODEL OF INTENSIVELY BLASTED ELECTRIC ARC", "date": "2018", "keywords": "anode; arc; cathode; channel; current; \u2206tot", "summary": "Keywords: electric arc, arc heater, argon, modeling. Predictions of arc temperature profiles using approximate emission coefficients for radiation 269 http://dx.doi.org/10.14311/AP.2016.56.0395 http://dx.doi.org/10.1109/EPE.2016.7521749 J. Senk, I. Laznickova, I. Jakubova Acta Polytechnica \u201015 \u201010 \u20105 0 5 10 15 20 25 2.30 2.50 2.70 2.90 3.10 3.30 3.50 3.70 3.90 \uf044", "mime": "application/pdf"}, {"id": "ap-4854", "words": "4261", "extension": ".pdf", "flesch": "49", "author": "Lytvyniak, Oksana; Tashak, Myroslava", "title": "THE SUGGESTIONS AS TO THE CALCULATION BEARING CAPACITY OF SANDWICH REINFORCED CONCRETE \u2014 FOAMED CONCRETE FLOOR SLABS", "date": "2019", "keywords": "concrete; floor; floor slabs; reinforcement; sandwich; slabs; srfcs; steel", "summary": "Keywords: sandwich reinforced concrete \u2013 foamed concrete floor slab; foamed concrete; calculation by limiting states; reinforced concrete; fiber polypropylene. The calculation of the stressed-formed state of the SRFCS is done on the basis of following preconditions: \u2022 the condition of combined work of normal concrete, foamed concrete and steel reinforcement and this situation was ensured in the experiment; \u2022 impartial Bernoulli\u2019s hypothesis for plane sections is taken into consideration; \u2022 the curvilinear stress diagram of foamed concrete (as parabola) is changed for the equivalent bilinear diagram (orthogonal\u2013triangular)", "mime": "application/pdf"}, {"id": "ap-486", "words": "1684", "extension": ".pdf", "flesch": "65", "author": "Ritschl, E.; Theiner, R.; Hanus, D.", "title": "Inlet Channel for a Ducted Fan Propulsion System of a Light Aircraft", "date": "2003", "keywords": "channel; design; fig; flow; velocity", "summary": "Smoothness and continuity of the channel chord ratio are the main requirements of channel design. Our boundary layer calculation [5] shows that the optimum channel cross-section taper is 0.54 per 1 m of channel length (Fig. 3).", "mime": "application/pdf"}, {"id": "ap-4862", "words": "5155", "extension": ".pdf", "flesch": "57", "author": "Flegner, Patrik; Ka\u010dur, J\u00e1n", "title": "EVALUATION OF SENSOR SIGNAL PROCESSING METHODS IN TERMS OF INFORMATION THEORY", "date": "2018", "keywords": "amplitude; analog; bit; entropy; information; measurement; measuring; processing; sensor; signal; spectrum; system", "summary": "The paper deals with the examination of basic methods of evaluation of sensor signals in terms of the information content of the given method and the used technical means. We can define the sketched problem of \u201cdata mining\u201d from signal sensors in terms of information theory and signal theory.", "mime": "application/pdf"}, {"id": "ap-4864", "words": "4777", "extension": ".pdf", "flesch": "61", "author": "Vodi\u010dka, V\u00e1clav; Novotn\u00fd, V\u00e1clav; Mascuch, Jakub", "title": "WEAR BEHAVIOUR OF VANES FOR A ROTARY VANE EXPANDER WITH VARIOUS GRAPHITE MATERIALS UNDER DRY SLIDING CONDITIONS", "date": "2018", "keywords": "carbon; coefficient; expander; fibre; friction; graphite; materials; vane; wear", "summary": "Since scroll and screw expanders are too complex and expensive [1], vane expanders can be used due to their simplicity and low manufacturing costs. Therefore, vane expanders are also used in our experimental de- velopment of micro-ORC systems [2].", "mime": "application/pdf"}, {"id": "ap-4877", "words": "5425", "extension": ".pdf", "flesch": "70", "author": "Kavitha, Manickam; Kalpana, Alagar M.", "title": "LOW LEAKAGE CHARGE RECYCLING TECHNIQUE FOR POWER MINIMIZATION IN CNTFET CIRCUITS", "date": "2019", "keywords": "carbon; charge; circuits; cntfet; figure; gating; leakage; mode; power; sleep; technique; voltage", "summary": "The main idea of the paper is to reduce the power dissipation of CNTFET digital circuits by using a methodology called power gating. Percentage savings of power gated circuits when N is varied.", "mime": "application/pdf"}, {"id": "ap-488", "words": "3177", "extension": ".pdf", "flesch": "47", "author": "Val\u00e1\u0161ek, M.; Steinbauer, P.; Kol\u00e1\u0159, J.; Dvo\u0159\u00e1k, J.", "title": "Concurrent Design of Railway Vehicles by Simulation Model Reuse", "date": "2003", "keywords": "design; fig; knowledge; model; modelling; simulation; world", "summary": "The particular relationships between world models and their components can also be generalized into more abstract knowledge about the development of virtual models and their simulation (Fig. 5) Due to the nature of the described methodology, simulation models are an essential part of this.", "mime": "application/pdf"}, {"id": "ap-4889", "words": "7417", "extension": ".pdf", "flesch": "59", "author": "Samir, Benbakreti; Boukelif, Aoued", "title": "NEW APPROACH FOR ONLINE ARABIC MANUSCRIPT RECOGNITION BY DEEP BELIEF NETWORK", "date": "2018", "keywords": "arabic; character; classification; dbn; figure; function; handwriting; input; layer; learning; network; online; rbm; recognition; training; vector; words", "summary": "Arabic words recognition rates and classifi- cation time according the neural network. made in the different neuronal approaches. Arabic words recognition rates and classifi- cation time according the DBN network.", "mime": "application/pdf"}, {"id": "ap-490", "words": "4298", "extension": ".pdf", "flesch": "70", "author": "Hagras, T.; Jane\u010dek, J.", "title": "Static vs. Dynamic List-Scheduling Performance Comparison", "date": "2003", "keywords": "algorithm; level; list; node; scheduling; \ufffd \ufffd", "summary": "i v succ v m i m m i \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd max ( ) , , where succ(vi) is the set of immediate successors of vi and \ufffd \ufffd \ufffd \ufffdb level v w vexit exit\ufffd \ufffd . The \ufffd \ufffdb level vi\ufffd is computed recursively by traversing the DAG upward starting from the exit node vexit as follows: \ufffd \ufffd \ufffd \ufffd b level v w b level v ci", "mime": "application/pdf"}, {"id": "ap-4907", "words": "3487", "extension": ".pdf", "flesch": "60", "author": "Sorokin, Pavel Alekseevich; Khryakov, Kirill Stanislavovich; Gommers, Michiel", "title": "ANALYSIS OF DALLARA T12 RACE CAR FRONT WING VIBRATIONS", "date": "2018", "keywords": "car; dallara; energy; figure; racing; t12; vibrations; wing", "summary": "Spectral power density of front wing vibrations fS(f). Made up energy spectrums of wing vibrations for three specific cases arising during driving on the circuit.", "mime": "application/pdf"}, {"id": "ap-4910", "words": "6530", "extension": ".pdf", "flesch": "55", "author": "Yusuff, Adeyinka Sikiru", "title": "ADSORPTION OF CATIONIC DYE FROM AQUEOUS SOLUTION USING COMPOSITE CHICKEN EGGSHELL - ANTHILL CLAY: OPTIMIZATION OF ADSORBENT PREPARATION CONDITIONS", "date": "2019", "keywords": "adsorbent; adsorption; anthill; calcination; ceac; composite; design; dye; eggshell; journal; kinetics; model; order; solution", "summary": "Analysis of variance (ANOVA) for response surface quadratic model for MB dye adsorption. Comparison of monolayer adsorption capacities of different adsorbents for MB dye adsorption.", "mime": "application/pdf"}, {"id": "ap-4911", "words": "6597", "extension": ".pdf", "flesch": "68", "author": "Vokurka, Karel", "title": "THE TIME DIFFERENCE IN EMISSION OF LIGHT AND PRESSURE PULSES FROM OSCILLATING BUBBLES", "date": "2018", "keywords": "bubble; difference; figure; light; pressure; pulses; radiation; rm1; spark; time; time difference", "summary": "Intensity of oscillation of spark generated bubbles. Experimental study of light emission from spark generated bubbles.", "mime": "application/pdf"}, {"id": "ap-4915", "words": "4222", "extension": ".pdf", "flesch": "50", "author": "Pehnelt, Tom\u00e1\u0161; Lafata, Pavel; Nevosad, Marek", "title": "MODIFICATION OF HIERARCHICAL AGGLOMERATIVE CLUSTERING WITH COMPLETE LINKAGE FOR OPTIMAL USAGE WITH PASSIVE OPTICAL NETWORKS", "date": "2018", "keywords": "algorithm; attenuation; clustering; clusters; linkage; network; number; pon; units", "summary": "Today, passive optical networks (PONs) represent a modern solution for high-speed FTTx subscriber lines and networks. Keywords: passive optical network; network optimization; topology optimization; algorithms; hierar- chical clustering; optical splitter placement.", "mime": "application/pdf"}, {"id": "ap-4917", "words": "4538", "extension": ".pdf", "flesch": "73", "author": "Ouamara, Daoud; Dubas, Fr\u00e9d\u00e9ric; Randi, Sid Ali; Benallal, Mohamed Nadjib; Espanet, Christophe", "title": "GENERAL CALCULATION OF WINDING FACTOR FOR MULTI-PHASE/-LAYER ELECTRICAL MACHINES IRRESPECTIVE OF POLES NUMBER", "date": "2019", "keywords": "factor; figure; layer; number; phase; winding", "summary": "In order to represent multi-layer windings, [1] has subdivised the number of columns of [Mw] by the number of layers. By introducing this new concept, multi-layer windings having false-zero will be subdivided into two categories: i) \u03b1-windings (i.e., odd false-zero windings), and ii) \u03b2-windings (i.e., even false-zero windings).", "mime": "application/pdf"}, {"id": "ap-492", "words": "3203", "extension": ".pdf", "flesch": "54", "author": "Jokl, M. V.", "title": "Indoor Air Quality Assessment Based on Human Physiology - Part 1. New Criteria Proposal", "date": "2003", "keywords": "air; co2; equation; fig; odor; tvoc", "summary": "[dB TVOC], (5) where \ufffdCO2 and \ufffdTVOC represent the concentrations of CO2 and TVOC. 1.6: The percentage of dissatisfied sedentary subjects as a function of the total volatile organic compound concen- tration (TVOC) above outdoors Sample TVOC [\ufffdg \ufffdm\ufffd3] Odor level [dTv] Study min mean max min mean max Living rooms and bedrooms old houses 130 200 240 21 30 34 Brown, Crump 1993 new houses 330 460 580 41 48 53 non-asthmatics 72 320 1600 8 40 75 Nordb\u00e4ck et al 1993 asthmatics 67 540 8300 6 52 111 Office buildings a) without SBS during working hours 43 51 61 \ufffd3* 0 4 Ekberg 1993 during night-time 37 44 49 \ufffd6* \ufffd3* 0 during weekend 37 \u2013 \u2013 \ufffd6* \u2013 \u2013 b) with SBS (liquid process photo copiers) \u2013 5000 90000 \u2013 100 163 Broder et al 1993 SBS \ufffd Sick Building Syndrome *", "mime": "application/pdf"}, {"id": "ap-4922", "words": "5126", "extension": ".pdf", "flesch": "59", "author": "Kravanja, Sebastjan; Sovj\u00e1k, Radoslav", "title": "ULTRA-HIGH-PERFORMANCE FIBRE-REINFORCED CONCRETE UNDER HIGH-VELOCITY PROJECTILE IMPACT. PART I. EXPERIMENTS", "date": "2018", "keywords": "concrete; crack; fibre; impact; penetration; projectile; properties; resistance; strength; uhpfrc; volume", "summary": "Keywords: projectile impact; UHPFRC; depth of penetration; mechanical properties; shear crack resistance. Cubes were differ- entiated on the basis of the fibre volumetric content and effect of projectile impact was investigated in terms of the cratering damage.", "mime": "application/pdf"}, {"id": "ap-4924", "words": "6383", "extension": ".pdf", "flesch": "57", "author": "Kravanja, Sebastjan; Sovj\u00e1k, Radoslav", "title": "ULTRA-HIGH-PERFORMANCE FIBRE-REINFORCED CONCRETE UNDER HIGH-VELOCITY PROJECTILE IMPACT - PART 2. APPLICABILITY OF PREDICTION MODELS", "date": "2018", "keywords": "accuracy; concrete; depth; energy; fibre; impact; mass; model; penetration; prediction; projectile; results; target", "summary": "APPLICABILITY OF PREDICTION MODELS Sebastjan Kravanjaa, Radoslav Sovj\u00e1kb,\u2217 a Faculty of Civil and Geodetic Engineering, University of Ljubljana, Jamova cesta 2, Ljubljana 1000, Slovenia b Faculty of Civil Engineering, Czech Technical University in Prague, Th\u00e1kurova 7, 166 29 Prague 6, Czech Republic \u2217 corresponding author: sovjak@fsv.cvut.cz Abstract. Keywords: projectile impact; UHPFRC; prediction models; depth of penetration; mass ejection.", "mime": "application/pdf"}, {"id": "ap-4928", "words": "2417", "extension": ".pdf", "flesch": "63", "author": "Shalimba, Veikko; Sopko, V\u00edt", "title": "JATROPHA OIL WITH IRON NANOPARTICLES APPLICATION IN DRILLING PROCESSES", "date": "2019", "keywords": "iron; nanoparticles; oil; samples; temperature; time", "summary": "Water with iron nanoparticles samples were chosen because, in general, water is the heat transfer medium for heat exchangers, because of its availability and good thermo-physical properties. A performance of heat transfer fluids has a substantial influence on the size, weight and cost of heat transfer systems, therefore, a high-performance heat transfer fluid is very important in many industries.", "mime": "application/pdf"}, {"id": "ap-4934", "words": "3957", "extension": ".pdf", "flesch": "67", "author": "Panchenko, Sergii; Ohar, Oleksandr; Kutsenko, Maksym; Smachilo, Julia", "title": "A METHOD OF COMPLEX CALCULATION OF RATIONAL STRUCTURAL PARAMETERS OF RAILWAY HUMPS", "date": "2018", "keywords": "hump; yrp", "summary": "Ix = 0; Ix \u2212 50 = 0; I1 \u2212 I2 \u2212 25 = 0, V YRP en \u2212 V YRP en(max) = 0;T0 \u2212 Tmax 0 = 0; (37) (3.) \u2212 w0 \u2212 wrol(1)", "mime": "application/pdf"}, {"id": "ap-494", "words": "3129", "extension": ".pdf", "flesch": "64", "author": "Jokl, M. V.", "title": "Indoor Air Quality Assessment Based on Human Physiology - Part 2. Limits", "date": "2003", "keywords": "g \ufffd; persons; range; \ufffd m; \ufffd p; \ufffd \ufffd", "summary": "\ufffd \ufffd \ufffd [\ufffdg \ufffdm\ufffd3] we get for adapted persons, preferring again \ufffdp as it was with CO2, \ufffd \ufffd\ufffd \ufffd\ufffd\ufffdTVOC \ufffd \ufffd \ufffd \ufffd46000 598 104ln .PD", "mime": "application/pdf"}, {"id": "ap-496", "words": "5239", "extension": ".pdf", "flesch": "66", "author": "Jokl, M. V.", "title": "Indoor Air Quality Assessment Based on Human Physiology - Part 3. Applications", "date": "2003", "keywords": "air; g \ufffd; h \ufffd; indoor; l \ufffd; quality; requirements; table; ventilation; vol; \ufffd m; \ufffd \ufffd", "summary": "The prescriptive requirements for the building, RB, determined from TVOC building emanation in this table by Equation R GB B i e\ufffd \ufffdTVOC TVOC TVOC36. 2.1 (p. 33), \ufffd iTVOC \ufffd indoor TVOC concentration", "mime": "application/pdf"}, {"id": "ap-4969", "words": "394", "extension": ".pdf", "flesch": "53", "author": "Adlerov\u00e1, Iva", "title": "Editorial: FAREWELL AND WELCOME NEW EDITOR-IN-CHIEF", "date": "2018", "keywords": "polytechnica", "summary": "Acta Polytechnica doi:10.14311/AP.2018.58.00IX Acta Polytechnica 58(3):ix\u2013ix, 2018 \u00a9 Czech Technical University in Prague, 2018 available online at http://ojs.cvut.cz/ojs/index.php/ap Farewell My seven years with Acta Polytechnica ended on June 30.", "mime": "application/pdf"}, {"id": "ap-4976", "words": "4472", "extension": ".pdf", "flesch": "62", "author": "Munshi, Mohmmadraiyan M.; Patel, Ashok R.; Deheri, Gunamani B.", "title": "A STUDY OF FERROFLUID LUBRICATION BASED ROUGH SINE FILM SLIDER BEARING WITH ASSORTED POROUS STRUCTURE", "date": "2019", "keywords": "bearing; capacity; ferrofluid; film; load; lubrication; slider", "summary": "Profile of load bearing capacity with regards to \u00b5\u2217, \u03c3 and \u03b5 for the comparison of e and \u03c8\u2217. \u03b5 Load bearing capacity calculated for (\u00b5\u2217 = 0.02, \u03b1 = 0.01, \u03c3 = 0.03, \u03c8 = 30, 1/\u03b21 = 0.01, l\u2217 = 1.75, e = 0.15, \u03c8\u2217 = 0.02) Result for assorted porosity Result for conventional porosity -0.02 0.1692074 0.1602794 -0.01 0.168718 0.1598716 0 0.1682335 0.1594672 0.01 0.1677536 0.1590663 0.02 0.1672784 0.1586686 Table 4. Profile of load bearing capacity with re- gards to \u00b5\u2217. (a).", "mime": "application/pdf"}, {"id": "ap-498", "words": "3368", "extension": ".pdf", "flesch": "63", "author": "Pek\u00e1rek, S.", "title": "Non-Thermal Plasma Ozone Generation", "date": "2003", "keywords": "air; discharge; gas; generation; ozone; plasma; temperature; \ufffd \ufffd", "summary": "Consequently, technologies based on non-thermal plasma can be highly ef- fective in promoting oxidation, enhancing molecular dissoci- ation or producing free radicals to stimulate plasmachemical reactions, which can be used for ozone generation or for other ecological applications such as decomposition of pollutants in air streams. Due to the fact that the processes of ozone generation are carried out at atmospheric pressure, we shall focus on atmo- spheric pressure electrical discharges only.", "mime": "application/pdf"}, {"id": "ap-4983", "words": "6811", "extension": ".pdf", "flesch": "53", "author": "Dobrotvorskiy, Sergey; Dobrovolska, Ludmila; Basova, Yevheniia; Aleksenko, Borys", "title": "PARTICULARS OF ADSORBENT REGENERATION WITH THE USE OF MICROWAVE ENERGY", "date": "2019", "keywords": "adsorbent; adsorption column; air; cooling; figure; heat; heater; ht adsorption; process; regeneration; temperature; volume", "summary": "[8] with hot regeneration of adsorbent (I), adsorption column with the built-in heater in the regeneration stage (II) and the computer model of this column (III): 1 is the body of adsorption column; 2 is the internal heater; 3 is the inlet of the non-heated dry purge air; 4 is the output of the heated, moisture-saturated purge air. The study begins with the calculation of the flow in the cavity of adsorption columns. 4.1.1.", "mime": "application/pdf"}, {"id": "ap-4991", "words": "5998", "extension": ".pdf", "flesch": "64", "author": "Pla\u010dek Otcovsk\u00e1, Tereza; Mu\u017e\u00edkov\u00e1, Barbora; Padev\u011bt, Pavel", "title": "MECHANICAL PROPERTIES OF RAMMED EARTH WITH RESPECT TO CLAY MIXTURE COMPOSITION", "date": "2019", "keywords": "bending; clay; compressive; earth; mixtures; mpa; specimens; strength; tensile; test; water", "summary": "3. Results and Discussion There were minimally 4 test specimens for every ten- sile bending strength and compressive strength tests. Tensile bending strength test specimens were 40\u00d740\u00d7160 mm each.", "mime": "application/pdf"}, {"id": "ap-4999", "words": "2739", "extension": ".pdf", "flesch": "54", "author": "Olusunmade, Olusola Femi; Bulus, Abba Emmanuel; Kashin, Terwase Kelvin", "title": "EFFECT OF IMPERATA CYLINDRICA REINFORCEMENT FORM ON THE TENSILE AND IMPACT PROPERTIES OF ITS COMPOSITES WITH RECYCLED LOW DENSITY POLYETHYLENE", "date": "2018", "keywords": "composite; fibre; mat; particulate; rldpe; tensile", "summary": "Compared to the other types of fibre form, the powder form has the smallest volume. However, the addition of short fibres has been found to be more effective.", "mime": "application/pdf"}, {"id": "ap-500", "words": "7781", "extension": ".pdf", "flesch": "68", "author": "Abdelaziz, Taha H. S.; Val\u00e1\u0161ek, M.", "title": "A Direct Algorithm for Pole Placement by State-derivative Feedback for Single-input Linear Systems", "date": "2003", "keywords": "matrix \ufffd; t \ufffd; \ufffd d; \ufffd e; \ufffd k; \ufffd q; \ufffd r; \ufffd u; \ufffd x; \ufffd z; \ufffd \ufffd", "summary": "3 Pole placement by state-derivative feedback for linear time-varying systems The above methodology can be extended for general sin- gle-input controllable linear time-varying systems \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffdx A x Bt t t t u t\ufffd \ufffd , \ufffd \ufffdx xt0 0\ufffd (30) where \ufffd \ufffdx t n\ufffdR and \ufffd \ufffdu t \ufffdR are the state vector and the scalar control input, respectively, while \ufffd \ufffdA t n n\ufffd \ufffdR and \ufffd \ufffdB t n\ufffdR are the system matrix and control gain vector, respectively. 2.1 Pole placement problem formulation Consider a controllable linear time-invariant single-input system, \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffdx A x Bt t u t\ufffd \ufffd , \ufffd \ufffdx xt0 \ufffd 0, (1) where \ufffd \ufffdx t n\ufffdR and \ufffd \ufffdu t \ufffdR are the state vector and the sca- lar control input, respectively, while A \ufffd \ufffdRn n and B \ufffdRnare the system matrix and control gain vector, respectively.", "mime": "application/pdf"}, {"id": "ap-5012", "words": "4700", "extension": ".pdf", "flesch": "55", "author": "Plankovskyy, Sergey; Teodorczyk, Andrzei; Shypul, Olga; Tryfonov, Oleg; Brega, Dmytro", "title": "DETERMINATION OF DETONABLE GAS MIXTURE HEAT FLUXES AT THERMAL DEBURRING", "date": "2019", "keywords": "chamber; combustion; deburring; flux; heat; mixture; model; pressure; shock; temperature; waves", "summary": "2/2019 Determination of detonable gas mixture heat fluxes at thermal deburring Taking into account the complicated nature of the modelled system, some assumptions were used: \u2022 2/2019 Determination of detonable gas mixture heat fluxes at thermal deburring Figure 1.", "mime": "application/pdf"}, {"id": "ap-5015", "words": "3968", "extension": ".pdf", "flesch": "62", "author": "Dvo\u0159\u00e1k, Pavel; Jir\u00e1nkov\u00e1, Eva", "title": "EFFECTS ON THE FINAL INTENSITY OF INPUT FORCES IN LONGBOLTS INSTALLED AT THE MINING OPERATION 2 AREA, OKD, INC.", "date": "2018", "keywords": "bolting; bolts; force; input; intensity; ir-6; loss; mining; stress; stressing", "summary": "The primary objective and function of the installed bolting elements (rock bolts, long bolts) is not only the transfer of shear and tensile loads acting in the massif, but also the ability to bring a certain degree of stress into the massif and thereby positively affect it (closing microcracks, increasing the shear strength). In order to avoid a massive stratification of the overburden, a system of reinforcement of mining works was designed using a rock bolt reinforcement and various types of long bolts (cable bolts, strand bolts).", "mime": "application/pdf"}, {"id": "ap-5017", "words": "5408", "extension": ".pdf", "flesch": "52", "author": "Farhadi Ayoublou, Farhad; Taromi, Majid; Eftekhari, Abbas", "title": "TUNNEL PORTAL INSTABILITY IN LANDSLIDE AREA AND REMEDIAL SOLUTION: A CASE STUDY", "date": "2019", "keywords": "analysis; area; fault; figure; instability; landslide; portal; slope; slope stability; tunnel; tunnel excavation; tunnel portal", "summary": "This requires a good understanding of the interaction between the landslide and tunnel excavation, which must be investigated in terms of controlling displacements and the effects of stress through long-term monitoring and numerical analyses. FLAC3D - Fast Lagrangian Analysis of Continua in 3 Dimensions, 2005. 447 http://dx.doi.org/10.1007/s10346-012-0326-8 http://dx.doi.org/10.1016/j.tust.2007.12.005 Acta Polytechnica 59(5):435\u2013447, 2019 1 Introduction 2 General geology 2.1 Geology of study area 3 Geotechnical study 4 Slope stability analysis 4.1 Limit equilibrium analysis 4.2 Numerical analysis 4.3 Slope stability analysis results 5 Slope instability monitoring 6 Tunnel collapse and slope failure 7 The survey phase 7.1 Slope topography and geometry 7.2 Geology 7.3 Hydrology 7.4 History of landslides and tunnel excavation 7.5 Geophysical studies 8 Remedial solution 8.1 Passing through the collapsing area of the tunnel 8.2 Slope improvement 8.3 Debris flows 8.4 Filling the collapsing cavity 8.5 The tunnel excavation method 8.6 Monitoring stages 9 Discussion and conclusion Acknowledgements References", "mime": "application/pdf"}, {"id": "ap-5018", "words": "6169", "extension": ".pdf", "flesch": "67", "author": "Can, Erol", "title": "MATHEMATICAL ALGORITHM OF FUZZY LOGIC CONTROLLER FOR MULTILEVEL INVERTER CREATING VERTICAL DIVIDED VOLTAGE", "date": "2019", "keywords": "control; converter; error; figure; fuzzy; inverter; level; logic; voltage", "summary": "Therefore, some control methods as a PID controller and Fuzzy logic controller has been used to control the power electronic circuits [9, 18]. [18] Ismail H Altas, Adel M Sharaf\u201cA generalized direct approach for designing fuzzy logic controllers in Matlab/Simulink GUI environment\u201c International Journal of Information Technology and Intelligent Computing, no.4 vol.1: 2007.", "mime": "application/pdf"}, {"id": "ap-502", "words": "10126", "extension": ".pdf", "flesch": "58", "author": "Elnagahy, Farag Ibrahim Younis; \u0160im\u00e1k, B.", "title": "Wavelet-Based Embedded Rate Scalable Still Image Coders: A review", "date": "2004", "keywords": "algorithm; bit; coding; coefficients; compression; fig; image; pass; rate; stream; sub; transform; wavelet; \ufffd \ufffd", "summary": "[26] Adams M. D.: Reversible wavelet transforms and their appli- cation to embedded image compression. Keywords: JPEG2000, embedded image coding, grayscale, color, scalable, progressive, compression, discrete wavelet transform.", "mime": "application/pdf"}, {"id": "ap-5020", "words": "6439", "extension": ".pdf", "flesch": "48", "author": "Sysyn, Mykola; Nabochenko, Olga; Kovalchuk, Vitalii; Gerber, Ulf", "title": "EVALUATION OF RAILWAY BALLAST LAYER CONSOLIDATION AFTER MAINTENANCE WORKS", "date": "2019", "keywords": "analysis; ballast; ballast consolidation; ballast layer; consolidation; degree; frequency; layer consolidation; measurements; methods; railway; response; signal; track; wave", "summary": "Keywords: ballast layer consolidation; tamping machines; seismic method; impulse response interpre- tation; signal processing; feature selection; classification; clustering. Monitoring methods of ballast layer consolidation", "mime": "application/pdf"}, {"id": "ap-5026", "words": "4574", "extension": ".pdf", "flesch": "60", "author": "Kostin, Vitalii; Halounov\u00e1, Lena", "title": "AN ANALYSIS OF SPATIAL STRUCTURE OF URBAN REGIONAL NETWORKS USING GIS", "date": "2019", "keywords": "average; degree; length; network; nodes; region; roads; value", "summary": "Road network is the foundation of the urbanization process. Taking advantage of modern GIS technologies, we investigate the geometric and topological characteristics of road networks on detailed spatial data.", "mime": "application/pdf"}, {"id": "ap-5028", "words": "5082", "extension": ".pdf", "flesch": "54", "author": "Peciar, Peter; Macho, Oliver; Fekete, Roman; Peciar, Mari\u00e1n", "title": "THE USE OF DEM SIMULATION FOR CONFIRMING THE PROCESS OF PARTICULATE MATERIAL MIXING", "date": "2018", "keywords": "blade; blade immersion; blade speed; dimensionless; force; horizontal; material; mixing; particulate; particulate material", "summary": "387 http://dx.doi.org/10.12913/22998624/85663 http://dx.doi.org/10.1016/0032-5910(69)80067-7 http://dx.doi.org/10.1016/0032-5910(69)80104-X http://dx.doi.org/10.1016/0032-5910(67)80036-6 http://dx.doi.org/10.1016/S0032-5910(97)03281-6 http://dx.doi.org/10.1016/j.powtec.2011.04.004 http://dx.doi.org/10.1016/j.ces.2012.05.010 http://dx.doi.org/10.1016/j.powtec.2012.04.042 http://dx.doi.org/10.1016/j.powtec.2008.04.089 Acta Polytechnica 58(6):378\u2013387, 2018 1 Introduction 2 Energy aspect of the mixing process 3 Experimental part 4 Simulation of DEM method process 5 Results 5.1 Influence of blade speed on horizontal force 5.2 Influence on depth of blade immersion on horizontal force 5.3 Comparison of resulting horizontal force acting on a blade 6 Conclusion List of symbols Acknowledgements References Acta Polytechnica doi:10.14311/AP.2018.58.0378 Acta Polytechnica 58(6):378\u2013387, 2018 \u00a9 Czech Technical University in Prague, 2018 available online at http://ojs.cvut.cz/ojs/index.php/ap THE USE OF DEM SIMULATION FOR CONFIRMING THE PROCESS OF PARTICULATE MATERIAL MIXING Peter Peciar\u2217, Oliver Macho, Roman Fekete, Mari\u00e1n Peciar Slovak University of Technology in Bratislava, Faculty of Mechanical Engineering, Institute of Process Engineering, N\u00e1mestie Slobody 17, 812 31, Bratislava, Slovakia \u2217 corresponding author: peter.peciar@stuba.sk Abstract.", "mime": "application/pdf"}, {"id": "ap-5030", "words": "4799", "extension": ".pdf", "flesch": "49", "author": "Vetter, Michael", "title": "MODEL-BASED SECURITY ANALYSIS OF FPGA DESIGNS THROUGH REINFORCEMENT LEARNING", "date": "2019", "keywords": "actions; attacks; data; fpga; learning; mdp; model; reinforcement; reward; scenario; security; state; system", "summary": "We presented a method to generate a Markov Decision Process based reinforcement learning model from a formal, high-level system description (formulated in the domain-specific language FPGASECML.) Transformation flow from the FPGASECML to the BURLAP based reinforcement learning model.", "mime": "application/pdf"}, {"id": "ap-504", "words": "4276", "extension": ".pdf", "flesch": "50", "author": "Brandejsk\u00fd, T.", "title": "Implementation of Component-based Simulation Support Tool for Conceptual Design", "date": "2004", "keywords": "component; design; simulation; tool; type; uncertainty; \ufffd op; \ufffd \ufffd", "summary": "\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffdop N X R op N X N R, _ ,\ufffd (2) Binary operator \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffdop N X N X R op N X N X N R1 2 1 2, , _ , ,\ufffd (3) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffdop fn X crisp X R crisp X sgltn X op fn X sgltn X f1 2 2 2 1 2, , _ , , ,\ufffd \ufffd \ufffd \ufffd\ufffd \ufffdn R (4) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffdop flv X crisp X R crisp X sgltn X op fn X sgltn X1 2 2 2 1 2, , _ , , ,\ufffd \ufffd \ufffd \ufffd\ufffd \ufffdfn R (5) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffdop flv X fn X R op flv X fn X fn R1 2 1 2, , _ , ,\ufffd (6) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffdop mifs X crisp X R crisp X sgltn X op mifs X sgltn1 2 2 2 1, , _ , ,\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffdX mifs R2 , (7) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffdop mifs X fn X R op mifs X fn X mifs R1 2 1 2, , _ , ,\ufffd (8) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffdop mifs X flv X R op mifs X flv X mifs R1 2 1 2, , _ , ,\ufffd (9) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffdop milv X crisp X R crisp X sgltn X op milv X sgltn1 2 2 2 1, , _ , ,\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffdX mifs R2 , (10) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffdop milv X fn X R op milv X fn X mifs R1 2 1 2, , _ , ,\ufffd (11) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffdop milv X flv X R op milv X flv X mifs R1 2 1 2, , _ , ,\ufffd (12) The first case can be described by transformations (14) \u2013 for unary operator and (15) for binary: \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffdop P X G R op P X R R G R, , _ , _\ufffd \ufffd (14) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffdop P X P X G R op P X P X R R G R1 1 2 2 1 1 2 2, , , , _ , _\ufffd \ufffd (15)", "mime": "application/pdf"}, {"id": "ap-5040", "words": "6112", "extension": ".pdf", "flesch": "52", "author": "Yusuff, Adeyinka S.; Popoola, Lekan T.", "title": "OPTIMIZATION OF BIODIESEL PRODUCTION FROM WASTE FRYING OIL OVER ALUMINA SUPPORTED CHICKEN EGGSHELL CATALYST USING EXPERIMENTAL DESIGN TOOL", "date": "2019", "keywords": "analysis; biodiesel; catalyst; methanol; oil; production; ratio; reaction; temperature; time; transesterification; yield", "summary": "The 2k factorial experimental design was employed for an optimization of process variables, which include catalyst loading, reaction time, methanol/oil molar ratio and reaction temperature and their effects on the biodiesel yield were studied. Plot of biodiesel yield (Y ) versus reaction time (t) at reaction temperature of 50 \u00b0C and 65 \u00b0C, 2wt.% catalyst loading and 6 : 1 methanol/oil molar ratio 3.2.2.", "mime": "application/pdf"}, {"id": "ap-5043", "words": "2605", "extension": ".pdf", "flesch": "60", "author": "\u010cep, Robert; Malotov\u00e1, \u0160\u00e1rka; Lichovn\u00edk, Ji\u0159\u00ed; Hatala, Michal; Legutko, Stanislaw", "title": "THE INFLUENCE OF CUTTING CONDITIONS ON THE SELECTED PARAMETERS OF THE SURFACE INTEGRITY", "date": "2018", "keywords": "conditions; cutting; machining; material; milling; stress; surface", "summary": "The article deals with an investigation of residual stress in machined surface under conditions of high-feed milling and determination of the influence of machining conditions on the size and types of stress resulting from cutting into the machined surface. Keywords: residual stress; milling; machining; X-ray diffraction; surface integrity.", "mime": "application/pdf"}, {"id": "ap-5050", "words": "6103", "extension": ".pdf", "flesch": "62", "author": "Pylypaka, Serhii F.; Klendii, Mykola B.; Nesvidomin, Viktor M.; Trokhaniak, Viktor I.", "title": "PARTICLE MOTION OVER THE EDGE OF AN INCLINED PLANE THAT PERFORMS AXIAL MOVEMENT IN A VERTICAL LIMITING CYLINDER", "date": "2019", "keywords": "figure; motion; particle; particle motion; plane; velocity", "summary": "The force F is directed opposite to the direction of sliding, that is to say, opposite to the vector of the absolute velocity of particle motion. In our case, particle motion must be different, since, if an ellipse moves, the angle be- tween a velocity vector and a horizontal plane is alter- nate, besides, the friction force from a cylinder wall acts on a particle.", "mime": "application/pdf"}, {"id": "ap-506", "words": "4422", "extension": ".pdf", "flesch": "66", "author": "Alawy, A. El-Bassuny; Elnagahy, F. I. Y.; Haroon, A. A.; Azzam, Y. A.; \u0160im\u00e1k, B.", "title": "Stellar Image Interpretation System Using Artificial Neural Networks:", "date": "2004", "keywords": "ccd; data; frame; function; images; star; vol", "summary": "Filled circles: images identified by Bi-polar function and DAOPHOT-II Open circles, square and triangle: images identified by DAOPHOT-II only 4 Conclusions Some conclusions can be drawn from the present study: Both Uni-polar and Bi-polar functions are good discrimi- nating functions when used in an ANN approach to identify stellar images among the other entities in a CCD frame. Recently, we have developed two approaches employing Artificial Intelligence techniques to recognise stellar images", "mime": "application/pdf"}, {"id": "ap-5063", "words": "7913", "extension": ".pdf", "flesch": "82", "author": "Szajewska, Marzena; Tereszkiewicz, Agnieszka Maria", "title": "MULTIDIMENSIONAL HYBRID BOUNDARY VALUE PROBLEM", "date": "2018", "keywords": "c b; c c; s 2b; s c; \u2212 c", "summary": "=\u21d2 S, \u03c3(rl) [5] Hakova, L., Hrivnak, J., and J. Patera, \u201cFour families of Weyl group orbit functions of B3 and C3.\u201d", "mime": "application/pdf"}, {"id": "ap-5070", "words": "4718", "extension": ".pdf", "flesch": "65", "author": "Sellitto, Miguel Afonso", "title": "LEAD-TIME, INVENTORY, AND SAFETY STOCK CALCULATION IN JOB-SHOP MANUFACTURING", "date": "2018", "keywords": "control; days; inventory; lead; manufacturing; order; time", "summary": "LT i \u2013 lead-time of order i; LTm \u2013 mean order LT ; LT\u03c3m \u2013 standard deviation of the order LT ; LTmw \u2013 mean part LT ; Qi \u2013 amount of value added by order i; \u2211n i=1 Qi \u2013 total amount dispatched by all orders; LT\u03c3w \u2013 standard deviation of the part LT ; RI m \u2013 mean arrival rate of orders or parts; WIPm \u2013 mean WIP; Pm \u2013 mean throughput; \u2206Tmax \u2013 maximum time elapsed between the arrival of two successive orders. The Throughput Diagram. in which: LT i \u2013 lead-time (LT ) of order i in the current work centre; TPE i \u2013 completion time of order i in the previous work centre (time of liberation); TPEU i \u2013 completion time of order i in the current work centre. n \u2013 number of orders.", "mime": "application/pdf"}, {"id": "ap-508", "words": "3511", "extension": ".pdf", "flesch": "56", "author": "Tuncer, I. H.; Kay, M.", "title": "Optimization of Flapping Airfoils for Maximum Thrust and Propulsive Efficiency", "date": "2004", "keywords": "airfoil; efficiency; fig; flapping; optimization; plunge; thrust; \ufffd \ufffd", "summary": "In this work an approximation is made [13], and the step size is evaluated as follows: \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd O O D where \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd O O O e n n n \ufffd \ufffd \ufffd \ufffd \ufffd D v v 1 1 . \ufffd \ufffd\ufffd\ufffdO \ufffdD is then evaluated numerically.", "mime": "application/pdf"}, {"id": "ap-510", "words": "3424", "extension": ".pdf", "flesch": "52", "author": "V\u00e9gh, L.", "title": "The Psychological Image of Realistic Physical Quantities. The Psychological Speed of Aging", "date": "2004", "keywords": "age; psa; quantities; time; \ufffd \ufffd", "summary": "Psychological physical quantities \u2013 PQ (PPQ). Psychological quantities (the designa- tion of psychological images of real quantities) are actually necessary components of our decision making.", "mime": "application/pdf"}, {"id": "ap-5105", "words": "4470", "extension": ".pdf", "flesch": "57", "author": "Kruschwitz, Jens; Lind, Martin; Muntean, Adrian; Richardson, Omar; Wondmagegne, Yosief", "title": "MODELLING, SIMULATION AND PARAMETER IDENTIFICATION OF ACTIVE POLLUTION REDUCTION WITH PHOTOCATALYTIC ASPHALT", "date": "2019", "keywords": "asphalt; concentration; data; figure; measurements; model; pollution; simulation", "summary": "In this paper, we report on the use of numerical simulations to mimic the effect of the presence of a street paved with photocatalytic asphalt has on the NO reduction in the local ambient. Advanced solar photocatalytic asphalt for removal of vehicular NOx.", "mime": "application/pdf"}, {"id": "ap-5111", "words": "10639", "extension": ".pdf", "flesch": "61", "author": "Bla\u017eevi\u0107, Sebastijan; Mrzljak, Vedran; An\u0111eli\u0107, Nikola; Car, Zlatan", "title": "COMPARISON OF ENERGY FLOW STREAM AND ISENTROPIC METHOD FOR STEAM TURBINE ENERGY ANALYSIS", "date": "2019", "keywords": "energy; energy analysis; energy efficiency; energy flow; energy power; flow rate; hpt; hpt energy; hpt load; load; mass flow; method; steam; steam mass; steam turbine; turbine energy", "summary": "Overall, the HPT energy analysis, which represents a combina- tion of steam turbine energy power losses and energy efficiencies obtained by both of observed methods, is presented. Observed energy analysis methods cannot be directly compared because they are based on different sources of steam turbine energy losses, so, an overall steam turbine energy analysis is presented.", "mime": "application/pdf"}, {"id": "ap-5114", "words": "7764", "extension": ".pdf", "flesch": "60", "author": "Poloprutsk\u00fd, Zden\u011bk; Fra\u0161tia, Marek; Mar\u010di\u0161, Mari\u00e1n", "title": "3D DIGITAL RECONSTRUCTION BASED ON ARCHIVED TERRESTRIAL PHOTOGRAPHS FROM METRIC CAMERAS", "date": "2019", "keywords": "calibration; camera; cloud; fig; image; metric; photogrammetry; photographs; point; processing; reference; software; \u2212 \u2212", "summary": "\u2212 \u2212 \u2212 \u2212 \u2212 \u2212 Version 6 | Version 7 | Version 10 | Version 12 c1 = 98.91 c2 = 98.99 c1 = 98.91 c2 = 98.99 c1 = 98.91 c2 = 98.99 c1 = 98.91 c2 = 98.99 98.90 99.03 98.99 99.14 98.80 99.04 98.78 98.99 0.46 0.40 -0.32 -0.46 0.16 0.07 0.08 0.00 0.10 -0.14 -0.12 -0.14 0.10 -0.13 0.12 0.00 -3.42e\u22124 2.52e\u22123 -2.35e\u22123 3.87e\u22123 \u2212 \u2212 \u2212 \u2212 \u2212 \u2212 P2 \u2212 \u2212 \u2212 -5.80e\u22124", "mime": "application/pdf"}, {"id": "ap-512", "words": "3851", "extension": ".pdf", "flesch": "55", "author": "Belyaev, B. A.; Leksikov, A. A.; Ovchinnikov, S. G.; Kraus, I.; Parshin, A. S.", "title": "Magnetic Technique for Nondestructive Evaluation of Residual Stresses", "date": "2004", "keywords": "field; fig; magnetic; sample; stray", "summary": "It is very important that the low-frequency modulating magnetic field with frequency \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ 43 Czech Technical University in Prague Acta Polytechnica Vol. Layout of MW detector of magnetic field 1 kHz present in the spectrometer acts as \u201ca magnetic shake- -up\u201d, due to which the recurrence of good results for repeated measurements is ensured.", "mime": "application/pdf"}, {"id": "ap-514", "words": "2983", "extension": ".pdf", "flesch": "62", "author": "Ponce, A. Noriega; Behar, A. Aguado; Hern\u00e1ndez, A. Ordaz; Sitar, V. Rauch", "title": "Neural Networks for Self-tuning Control Systems", "date": "2004", "keywords": "e t; j \ufffd; r \ufffd; u \ufffd; \ufffd e; \ufffd \ufffd", "summary": "In this case, instead of the net output error: \ufffd \ufffd \ufffd \ufffd \ufffd \ufffde t u t u tu d\ufffd \ufffd (1) it is used the process output error: \ufffd \ufffd \ufffd \ufffd \ufffd \ufffde t y t y ty r\ufffd \ufffd (2) to adjust the weighting coefficients. \ufffd It is very convenient to use a variable learning coefficient, using an expression as: \ufffd \ufffd\ufffd \ufffd \ufffd\ufffd \ufffd \ufffd abs e y (23)", "mime": "application/pdf"}, {"id": "ap-5157", "words": "3671", "extension": ".pdf", "flesch": "61", "author": "Gur\u010d\u00edk, Tom\u00e1\u0161; Kovanda, Karel", "title": "WAAM TECHNOLOGY OPTIMIZED BY OFF-LINE 3D ROBOT SIMULATION", "date": "2019", "keywords": "dip; figure; line; process; technology; transfer; waam; welding; wire", "summary": "The results prove that, by combining off-line welding path optimization with an optimized CMT welding process, we can achieve a stable WAAM process. The wire feeder responds to this change with a high feeding speed to stabilize welding parameters with a right welding arc length.", "mime": "application/pdf"}, {"id": "ap-5159", "words": "4577", "extension": ".pdf", "flesch": "60", "author": "Haider, Haider Tarish; Muhsen, Dhiaa Halboot; Shahadib, Haider Ismael; See, Ong Hang", "title": "A NEW AND ADAPTIVE SECURITY MODEL FOR PUBLIC COMMUNICATION BASED ON CORRELATION OF DATA FRAMES", "date": "2019", "keywords": "capacity; communication; cover; data; image; key; length; message; model; secret; security", "summary": "Cover image Secret image NC Office Rice 0.009 Rice Office 0.008 Cameraman Text 0.006 Table 5. Results of cameraman secret image and the rice cover image.", "mime": "application/pdf"}, {"id": "ap-516", "words": "2491", "extension": ".pdf", "flesch": "65", "author": "Zadra\u017eil, T.; Vod\u00e1k, F.; Kapi\u010dkov\u00e1, O.", "title": "Effect of Temperature and Age of Concrete on Strength \u2013 Porosity Relation", "date": "2004", "keywords": "age; concrete; days; porosity; temperature", "summary": "180 days confirms generally accepted hypothesis that with increasing porosity strength of the concrete decreases. AP04_1.vp 1 Introduction As known from experimental studies of concrete behav- iour at room temperature, there is a close correspondence between compressive strength S and its porosity P. Commonly this dependence is decreasing function, i.e. strength S de- creases with porosity P. There are many attempts to express the relation S \ufffd S(P) in an analytical form.", "mime": "application/pdf"}, {"id": "ap-5166", "words": "6522", "extension": ".pdf", "flesch": "62", "author": "Forejtov\u00e1, Lucie; Zavadil, Tom\u00e1\u0161; Kola\u0159\u00edk, Ladislav; Kola\u0159\u00edkov\u00e1, Marie; Sova, Jan; V\u00e1vra, Petr", "title": "NON-DESTRUCTIVE INSPECTION BY INFRARED THERMOGRAPHY OF RESISTANCE SPOT WELDS USED IN AUTOMOTIVE INDUSTRY", "date": "2019", "keywords": "batch; q(t; quality; resistance; spot; temperature; testing; welding; welds", "summary": "3/2019 Non-destructive inspection of resistance spot welds. . The standard methods used for the defect detection in resistance spot welds are the ultrasonic testing (UT) and visual testing (VT).", "mime": "application/pdf"}, {"id": "ap-5172", "words": "4857", "extension": ".pdf", "flesch": "60", "author": "Bure\u0161, Marek; Martirosov, Sergo; Polcar, Ji\u0159\u00ed", "title": "A NOVEL PROJECTION ALGORITHM FOR PRODUCTION LAYOUT EXTRACTION FROM POINT CLOUDS", "date": "2019", "keywords": "algorithm; cloud; cloudslicer; data; figure; laser; layout; modelling; point; scanning; software", "summary": "However, there is still a lack of software solutions for a simple and successful model creation from point cloud data or data evaluation. Furthermore, a newly developed algorithm for an extraction of specific areas of point cloud is introduced.", "mime": "application/pdf"}, {"id": "ap-5173", "words": "21835", "extension": ".pdf", "flesch": "71", "author": "Ka\u010dur, J\u00e1n; Durd\u00e1n, Milan; Laciak, Marek; Flegner, Patrik", "title": "A COMPARATIVE STUDY OF DATA-DRIVEN MODELING METHODS FOR SOFT-SENSING IN UNDERGROUND COAL GASIFICATION", "date": "2019", "keywords": "c o; calorific; coal; control; data; function; gasification; input; mars; methods; model; prediction; process; regression; results; syngas; temperature; training; ucg; underground; value; variables; \ufffd \ufffd", "summary": "The piecewise-linear type of MARS models better fits the training data but, in the prediction on un- trained data, better results with the piecewise-cubic type of the model (see Table 4) are obtained. Equation (31) represents a resulting piecewise-cubic type of MARS model for the prediction of the under- ground temperature. Proposal of Neural network considered for UCG data prediction.", "mime": "application/pdf"}, {"id": "ap-5175", "words": "4584", "extension": ".pdf", "flesch": "66", "author": "Saieed, Ahmed; Memon, Zeeshan Qadir; Tran, Minh Cong; King Soon, William Pao", "title": "A MULTIPHASE FLOW LOOP DESIGN FOR INVESTIGATING THE PARTIAL PHASE SEPARATION IN A PIPE TEE", "date": "2019", "keywords": "air; figure; flow; flow loop; junction; loop; phase; separation; water", "summary": "Before the mixing, phase flow rates were 399 https://doi.org/10.14311/AP.2019.59.0399 https://ojs.cvut.cz/ojs/index.php/ap A. Saieed, Z. Q. Memon, M. C. Tran, Two-phase slug flow separation at T-junction with regular and reduced vertical side arm.", "mime": "application/pdf"}, {"id": "ap-5179", "words": "4343", "extension": ".pdf", "flesch": "39", "author": "Yemelin, Pavel V.; Kudryavtsev, Sergey S.; Yemelina, Natalya K.", "title": "INFORMATION AND ANALYTICAL SYSTEM FOR HAZARD LEVEL ASSESSMENT AND EMERGENCY RISK FORECASTING", "date": "2019", "keywords": "assessment; hazard; information; kazakhstan; republic; risk; safety; system", "summary": "The implementation of this system will allow services of occupational safety to process and systematize all incoming information about industrial subdivisions and the enterprise as a whole, analyse and manage industrial risks, and monitor the level of industrial safety within the enterprise. The Information and Analytical System for Hazard Level Assessment and Forecasting Risk of Emergencies in the Republic of Kazakhstan allows users to work efficiently with large volumes of information and form a united analytical electronic report about the state of industrial safety.", "mime": "application/pdf"}, {"id": "ap-518", "words": "938", "extension": ".pdf", "flesch": "61", "author": "Sopko, V.; Trt\u00edk, K.; Vod\u00e1k, F.", "title": "Influence of ? Irradiation on Concrete Strength", "date": "2004", "keywords": "concrete; irradiation; strength", "summary": "It concerns neutrons and gamma irradiation acting on concrete construc- tions and accelerating their surface and internal changes. Of the irradiation spectrum we will observe only influ- ence of gamma irradiation.", "mime": "application/pdf"}, {"id": "ap-5190", "words": "3476", "extension": ".pdf", "flesch": "65", "author": "Kram\u00e1r, Tom\u00e1\u0161; Vondrou\u0161, Petr; J\u00e1\u0148a, Miroslav; Kupec, Tom\u00e1\u0161", "title": "JOINIG OF MG ALLOY AZ31B BY SELECTED TECHNOLOGIES", "date": "2019", "keywords": "alloys; figure; fsw; joint; laser; solder; soldering; surface; welding", "summary": "The difficulty of joining Mg alloys is connected with the strong MgO layer, low ductility of the weld metal (WM), a presence of intermetallic phases connected with the hardness increase. With the increase of usage of Mg alloys, there is a high need of a proper method of strong metallurgical joining of Mg alloys, which is an objective of an extensive research in the world.", "mime": "application/pdf"}, {"id": "ap-5191", "words": "3157", "extension": ".pdf", "flesch": "52", "author": "Mr\u0148a, Libor; \u0158ih\u00e1\u010dek, Jan; \u0160arbort, Martin; Horn\u00edk, Petr", "title": "SOLAR ABSORBER WITH A STRUCTURED SURFACE \u2013 A WAY TO INCREASE EFFICIENCY", "date": "2019", "keywords": "absorber; angle; apex; efficiency; energy; figure; hydroforming; surface", "summary": "Therefore, the modifi- cation of a known parallel hydroforming technology is necessary to develop, to produce solar absorbers with required structured surface (set of pyramid cavities). Formed solar absorber with the structured surface.", "mime": "application/pdf"}, {"id": "ap-5194", "words": "6950", "extension": ".pdf", "flesch": "52", "author": "Haider, Haider Tarish; Muhsen, Dhiaa Halboot; Shahadi, Haider Ismael; See, Ong Hang; Elmenreich, Wilfried", "title": "DYNAMIC SMART GRID COMMUNICATION PARAMETERS BASED COGNITIVE RADIO NETWORK", "date": "2019", "keywords": "communication; convergence; crde; doi:10.1016; fitness; function; grid; mode; modulation; objective; optimization; parameters; power; radio; system; transmission", "summary": "Cognitive radio parameters The CR provides the ability to sense the surrounding wireless environment periodically and to adapt the transmission parameters appropriately according to the objectives for the optimal utilization of spectrum bands [29]. This paper presents a cognitive radio decision engine that dynamically selects optimal radio transmission parameters for wireless home area networks (HAN) of smart grid applications via the multi-objective differential evolution (MODE) optimization method.", "mime": "application/pdf"}, {"id": "ap-520", "words": "3248", "extension": ".pdf", "flesch": "52", "author": "\u0160im\u00e1n\u011b, \u010c.; Vognar, M.; Chv\u00e1til, D.", "title": "The System for Control and Stabilization of the Beam Position in the Microtron MT-25 in Prague", "date": "2004", "keywords": "beam; current; electron; position; probe; wire; wire probe", "summary": "Therefore a system has been designed, which will be used in the future electron transmission line, with wire probes, which can be removed from the beam after the alignment procedure has been accomplished. From the same reason the determination of the correct chan- nel position by differential wire probes, which has been tried too, gave not satisfactory results.", "mime": "application/pdf"}, {"id": "ap-5203", "words": "4428", "extension": ".pdf", "flesch": "57", "author": "Peciar, Peter; Ru\u017einsk\u00fd, Radovan; Gu\u0161taf\u00edk, Adam; Kar\u013eov\u00e1, M\u00e1ria; \u010cierny, Mat\u00fa\u0161; Fekete, Roman; Peciar, Mari\u00e1n", "title": "STUDY OF SAMPLES STRENGTH OF MATERIAL FORMED BY THE PROCESSES OF COMPACTION, EXTRUSION AND TUMBLING GRANULATION", "date": "2019", "keywords": "compaction; dust; extrusion; figure; granulation; liquid; material; process; processes; rolls; tumbling", "summary": "Extrusion process The basic difference between the extrusion process and the above mentioned technologies is the amount of liquid in the processed material. The physical principle for identifying the force needed to break the sample in the compaction and extrusion process is shown in Figure 10 a), the force needed to disintegrate the sample in the compaction and extrusion process is shown in Figure 10 b) and the force needed to disintegrate the sample in the granulation process is shown in Figure 10 c).", "mime": "application/pdf"}, {"id": "ap-5209", "words": "7041", "extension": ".pdf", "flesch": "57", "author": "Askarova, Aliya; Bolegenova, Saltanat; Bolegenova, Symbat; Beketayeva, Meruyert; Maximov, Valeriy; Nugymanova, Aizhan; \u0160afa\u0159\u00edk, Pavel", "title": "SIMULATION OF LOW-GRADE COAL COMBUSTION IN REAL CHAMBERS OF ENERGY OBJECTS", "date": "2019", "keywords": "boiler; chamber; chemical; coal; coal combustion; combustion; combustion chamber; energy; fuel; heat; kazakhstan; mass; power; reactions; simulation", "summary": "108 http://dx.doi.org/10.3923/jeasci.2014.24.28 http://dx.doi.org/10.1134/S0018143906020081 http://dx.doi.org/10.1134/S0869864314060092 http://dx.doi.org/10.1134/S0869864310030145 http://dx.doi.org/10.1016/j.proeng.2012.07.517 http://dx.doi.org/10.1016/j.proeng.2012.07.507 Acta Polytechnica 59(2):98\u2013108, 2019 1 Introduction 2 Pulverized coal characteristics 3 Modeling of coal combustion 4 Chemical kinetics of coal combustion 5 Basic characteristics of the boiler 6 Results of numerical experiments 7 Conclusion Acknowledgements References [11] A. Askarova, V. Messerle, A. Ustimenko, et al. Numerical simulation of pulverized coal combustion in a power boiler furnace.", "mime": "application/pdf"}, {"id": "ap-5210", "words": "4337", "extension": ".pdf", "flesch": "64", "author": "Kram\u00e1r, Tom\u00e1\u0161; Tauer, Jan; Vondrou\u0161, Petr", "title": "WELDING OF NITINOL BY SELECTED TECHNOLOGIES", "date": "2019", "keywords": "figure; heat; niti; properties; results; shielding; welding; wire", "summary": "Material and methods A homogeneous welding without a filler wire (i.e., autogenous) of NiTi wires using selected welding tech- nologies was done. The problem of laser welding is the variation of absorptivity, especially for small wires, so the surface state of the wire is important for the uniformity of results.", "mime": "application/pdf"}, {"id": "ap-5218", "words": "3769", "extension": ".pdf", "flesch": "63", "author": "Vr\u00e1tn\u00fd, Ond\u0159ej; Herman, Ale\u0161", "title": "IMPORTANCE OF A TYPE OF GATING SYSTEM IN INVESTMENT CASTING TECHNOLOGY", "date": "2019", "keywords": "casting; design; figure; filling; gating; investment; system; technology; variant", "summary": "Use of ProCAST software to model casting systems for the centrifugal casting of GTE blades made of intermetallic alloys by V.V. Smirnov and colleagues focuses on the issue of the design of ceramic moulds for castings made of intermetallic titanium alloys (TiAl) casted by the investment casting technology. In particular, the following authors also deal with simulations in the Investment casting technology: Pei-Hsing Huang and Chi-Ju Lin are authors of Computer-aided modeling and experimental verifica- tion of optimal gating system design for investment casting of precision rotor.", "mime": "application/pdf"}, {"id": "ap-522", "words": "5861", "extension": ".pdf", "flesch": "44", "author": "Murray-Smith, D. J.", "title": "Biological Systems Thinking for Control Engineering Design", "date": "2004", "keywords": "control; control system; design; feedback; fibres; muscle; muscle spindle; properties; signal; spindle; system", "summary": "If re- cruitment of motor units is the most significant factor in the development of tension in intact muscle this feature must be incorporated into neuromuscular control system models. Keywords: biology, control systems, design, neuro-muscular system.", "mime": "application/pdf"}, {"id": "ap-5222", "words": "3594", "extension": ".pdf", "flesch": "54", "author": "Pa\u010d\u00e1k, Tom\u00e1\u0161; Tat\u00ed\u010dek, Franti\u0161ek; Vale\u0161, Michal", "title": "COMPENSATION OF SPRINGBACK IN LARGE SHEET METAL FORMING", "date": "2019", "keywords": "analysis; compensation; geometry; methodology; numerical; process; results; springback", "summary": "The methodology consists of three main parts: correct settings of virtual forming process (numerical simulation), springback analysis and springback compensation. Springback analysis and optimization in sheet metal forming.", "mime": "application/pdf"}, {"id": "ap-524", "words": "3147", "extension": ".pdf", "flesch": "50", "author": "Lazim, Tholudin Mat; Mat, Shabudin; Saint, Huong Yu", "title": "Computational Fluid Dynamic Simulation (CFD) and Experimental Study on Wing-external Store Aerodynamic Interference", "date": "2004", "keywords": "aircraft; clean; fig; model; pressure; store; surface; vol; wing", "summary": "Research on external store installation is complex and extensive. 1: Photographs of the marked wing surface at the various projection Fig. 2: Aircraft geometry produced by Photomodeller Fig. 3: Digitized wing geometry after smoothed with CAD -Alloy that having nine conduits each on the upper and lower surface.", "mime": "application/pdf"}, {"id": "ap-526", "words": "5533", "extension": ".pdf", "flesch": "58", "author": "Sibilski, K.", "title": "Dynamics of Micro-Air-Vehicle with Flapping Wings", "date": "2004", "keywords": "aerodynamic; body; control; flapping; flight; h \ufffd; motion; t \ufffd; wing; \ufffd q; \ufffd v; \ufffd w; \ufffd \ufffd", "summary": "In the case when we consider the model of a entomopter treated as a mechani- cal system containing a rigid fuselage and n rigid wings fixed to the fuselage by means of three hinges, the vector general- ised co-ordinates have the following form (Fig. 3): \ufffd \ufffdq \ufffd x y zs s s n n n T, , , , , , , , , , , , , ,\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd1 1 1\ufffd \ufffd \ufffd . i i i\ufffd \ufffd \ufffd 0 0 0 0\ufffd \ufffd \ufffd \ufffd \ufffd .", "mime": "application/pdf"}, {"id": "ap-5264", "words": "3057", "extension": ".pdf", "flesch": "57", "author": "Chr\u00e1\u0161\u0165ansk\u00fd, Luk\u00e1\u0161; \u0160anovec, Jan; Martawirya, Yatna Yuwana; Vale\u0161, Michal", "title": "APPLICABILITY VERIFICATION OF AUTOFORM SOFTWARE FOR FEM SIMULATION OF MECHANICAL FIXATION OF HEMMED JOINTS", "date": "2019", "keywords": "autoform; figure; fixation; law; results; simulation; software", "summary": "Keywords: Hemming, FEM simulation, AutoForm, car-body, automotive industry, the law of similarity. This software is commonly used for FEM simulations during preparation stages for car-body parts produc- tion.", "mime": "application/pdf"}, {"id": "ap-5266", "words": "4963", "extension": ".pdf", "flesch": "57", "author": "Kononenko, Serhii; Dobrotvorskiy, Sergey; Basova, Yevheniia; Gasanov, Magomediemin; Dobrovolska, Ludmila", "title": "DEFLECTIONS AND FREQUENCY ANALYSIS IN THE MILLING OF THIN-WALLED PARTS WITH VARIABLE LOW STIFFNESS", "date": "2019", "keywords": "amplitude; analysis; cutting; deflection; force; frequency; milling; model; response; sample; system", "summary": "Directional cutting force model To determine the forces acting in the cross section of the sample, as the most influencing factors of undesir- able deflections, it is necessary to define the compo- nents of the cutting forces Fig. Sample deflection at point 1 and 2 by 0.17984mm and 0.15186mm respectively.", "mime": "application/pdf"}, {"id": "ap-528", "words": "3750", "extension": ".pdf", "flesch": "55", "author": "Ota, M.; Jel\u00ednek, I.", "title": "The Role of CAD in Enterprise Integration Process", "date": "2004", "keywords": "cad; cax; communication; data; enterprise; information; integration; model; software; system", "summary": "Enter- prise integration processes are related to the integration of enterprise software systems The data special parts created by CAD systems are product oriented data.", "mime": "application/pdf"}, {"id": "ap-5286", "words": "6942", "extension": ".pdf", "flesch": "60", "author": "Chmela\u0159, Jakub; Petr, Karel; Mike\u0161, Petr; Dynybyl, Vojt\u011bch", "title": "CYLINDRICAL ROLLER BEARING LUBRICATION REGIMES ANALYSIS AT LOW SPEED AND PURE RADIAL LOAD", "date": "2019", "keywords": "bearing; clearance; contact; distribution; effect; figure; film; load; lubricant; lubrication; roller; rolling; speed", "summary": "Conclusions The study enabled an insight into the sensitivity of the roller bearing inner load distribution and lubrication regimes to the variation of the operating conditions. Contact pressure and lubrication film thickness distribution.", "mime": "application/pdf"}, {"id": "ap-5287", "words": "5659", "extension": ".pdf", "flesch": "53", "author": "Sysyn, Mykola; Gerber, Ulf; Nabochenko, Olga; Li, Yangyang; Kovalchuk, Vitalii", "title": "INDICATORS FOR COMMON CROSSING STRUCTURAL HEALTH MONITORING WITH TRACK-SIDE INERTIAL MEASUREMENTS", "date": "2019", "keywords": "acceleration; analysis; crossing; features; figure; impact; lifetime; monitoring; principal; railway; regression; spectral; system; track", "summary": "2/2019 Indicators for common crossing monitoring [30] G. Lederman, S. Chen, J. Garrett, et al. Point colours correspond to common crossing lifetime in passed megatons of trains.", "mime": "application/pdf"}, {"id": "ap-530", "words": "3097", "extension": ".pdf", "flesch": "42", "author": "Petrov, A. V.; Stepanov, Y. G.; Shmakov, M. V.", "title": "Development of a Technique and Method of Testing Aircraft Models with Turboprop Engine Simulators in a Small-scale Wind Tunnel - Results of Tests", "date": "2004", "keywords": "aerodynamic; aircraft; characteristics; deg; model; \ufffd \ufffd", "summary": "The tests were conducted at flow velocities of V \ufffd \ufffd 20 to 50 m/s in the ranges of angles of attack \ufffd \ufffd \ufffd6 to 20 deg, sideslip angles of \ufffd \ufffd \ufffd16 to 16 deg and blade loading coefficient of B \ufffd 0 to 2.8. The effectiveness of the rudder on the model in takeoff configuration at an angle of attack of \ufffd \ufffd \ufffd5 and B \ufffd2 increases by a factor of 1.6\u20131.7 at \ufffd \ufffd0, and by a factor of 1.8\u20132.1 at \ufffd \ufffd \ufffd6 through \ufffd10 deg.", "mime": "application/pdf"}, {"id": "ap-532", "words": "6511", "extension": ".pdf", "flesch": "54", "author": "Vroom, R. W.; van Breemen, E. J. J.; van der Vegte, W. F.", "title": "Developing a Conceptual Design Engineering Toolbox and its Tools", "date": "2004", "keywords": "design; designer; det; engineering; knowledge; modelling; process; product; support; tools; use; work", "summary": "\ufffd Phase 2: Conceptual design (Product design phase). [3] Roozenburg N. F. M., Eekels J.: Product design: fundamen- tals and methods.", "mime": "application/pdf"}, {"id": "ap-534", "words": "3596", "extension": ".pdf", "flesch": "46", "author": "Val\u00e1\u0161ek, M.; Steinbauer, P.; \u0160ika, Z.; Zdr\u00e1hal, Z.", "title": "Knowledge Support of Simulation Model Reuse", "date": "2004", "keywords": "clockwork; development; knowledge; model; simulation; simulation model; tool; world", "summary": "Then we describe the development of simulation model of the TriJoint machine tool as a reuse development where the simulation model of Dyna-M is reused. Keywords: Simulation model, reuse, knowledge management, machine tool.", "mime": "application/pdf"}, {"id": "ap-536", "words": "2510", "extension": ".pdf", "flesch": "52", "author": "Studni\u010dkov\u00e1, M.", "title": "The Effect of Pedestrian Traffic on the Dynamic Behavior of Footbridges", "date": "2004", "keywords": "fig; footbridge; frequency; vertical; vibrations; \ufffd \ufffd", "summary": "The load model of a continuous stream of pedestrians can be expressed in the form: for vertical vibrations \ufffd \ufffd \ufffd \ufffdq k f f tsv v v v\ufffd12 6 2. sin \ufffd [Nm\ufffd2] (4) for horizontal vibrations \ufffd \ufffd \ufffd \ufffdq k f f tsh h h h\ufffd12 6 2. sin \ufffd [Nm\ufffd2] (5) where all symbols are as already defined. due to a single person can be ex- pressed with sufficient accuracy as the sum of the static force (the weight of a person) and the first three harmonic compo- nents of the excitation force [3] \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd F t G G f t G f t G f t \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 1 2 2 3 3 2 4 6 sin sin sin \ufffd \ufffd \ufffd \ufffd \ufffd p p p (1) where G Weight of a person (usually G \ufffd 800 N)", "mime": "application/pdf"}, {"id": "ap-5374", "words": "7463", "extension": ".pdf", "flesch": "64", "author": "Ficker, Tom\u00e1\u0161", "title": "GENERAL MODEL OF RADIATIVE AND CONVECTIVE HEAT TRANSFER IN BUILDINGS: PART I: ALGEBRAIC MODEL OF RADIATIVE HEAT TRANSFER", "date": "2019", "keywords": "enclosure; energy; heat; matrix; method; radiosity; surfaces; transfer", "summary": "The zero sum of radiative heat energies is the general property of closed systems and follows from the first and second laws of thermodynamics. 1. Introduction Heat radiation represents a dominant transfer mechanism of heat energy inside buildings.", "mime": "application/pdf"}, {"id": "ap-5375", "words": "8386", "extension": ".pdf", "flesch": "60", "author": "Ficker, Tom\u00e1\u0161", "title": "GENERAL MODEL OF RADIATIVE AND CONVECTIVE HEAT TRANSFER IN BUILDINGS: PART II: CONVECTIVE AND RADIATIVE HEAT LOSSES", "date": "2019", "keywords": "ceiling; coefficients; convective; heat; heat transfer; losses; radiative; surface; transfer", "summary": "Keywords: Convective heat transfer, radiative heat transfer, room envelope, heat losses, iterative optimization. Introduction The present paper continues the previous contribution entitled General model of radiative and convective heat transfer in buildings: Part I: Algebraic model of radiative heat transfer [1].", "mime": "application/pdf"}, {"id": "ap-5377", "words": "8003", "extension": ".pdf", "flesch": "65", "author": "Pioreck\u00fd, Marek; \u0160trobl, Jan; Kraj\u010da, Vladim\u00edr", "title": "AUTOMATIC EEG CLASSIFICATION USING DENSITY BASED ALGORITHMS DBSCAN AND DENCLUE", "date": "2019", "keywords": "activity; algorithm; artefacts; classes; classification; data; dbscan; denclue; density; eeg; means; number; objects; segments; signal", "summary": "Objects are, in our case, the segments of EEG signals. The program WF exploits K-means in clinical practice and we can use them to compare K-means with density based algorithms. 2.4.", "mime": "application/pdf"}, {"id": "ap-538", "words": "2418", "extension": ".pdf", "flesch": "50", "author": "Fo\u0161umpaur, P.; Satrapa, L.", "title": "Control of Systems of Reservoirs with the Use of Risk Analysis", "date": "2004", "keywords": "analysis; control; criteria; reservoirs; risk; system; water", "summary": "4 Conclusions We studied the use of risk analysis to quantify a suitable set of criteria for multi-objective optimisation of reservoirs and reservoir systems, which are usually intended to satisfy 54 \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ Acta Polytechnica Vol. 44 No. AP04_2web.vp 1 Introduction In the field of controlling of reservoirs systems, it is often very difficult to formulate a reliable system of criteria.", "mime": "application/pdf"}, {"id": "ap-5381", "words": "5076", "extension": ".pdf", "flesch": "53", "author": "Koska, Luk\u00e1\u0161; Jadlovsk\u00e1, Sl\u00e1vka; Vo\u0161\u010dek, Dominik; Jadlovsk\u00e1, Anna", "title": "INVERTED PENDULUM WITH LINEAR SYNCHRONOUS MOTOR SWING UP USING BOUNDARY VALUE PROBLEM", "date": "2019", "keywords": "cart; control; input; model; pendulum; swing; system; time; trajectories; trajectory", "summary": "The development of the IPMaC as a framework for solving analysis/control problems of inverted pendulum systems also enabled us to unify and generalize the nomenclature and la- belling of input/output/state variables and physical 458 https://doi.org/10.14311/AP.2019.59.0458 https://ojs.cvut.cz/ojs/index.php/ap http://matlab.fei.tuke.sk/underactuated http://matlab.fei.tuke.sk/underactuated vol. Modelling of classical and rotary inverted pendulum systems\u2013a generalized approach.", "mime": "application/pdf"}, {"id": "ap-5383", "words": "2839", "extension": ".pdf", "flesch": "67", "author": "Sala\u010dov\u00e1, \u0160\u00e1rka; Wachulak, Przemyslaw; Tat\u00ed\u010dek, Milan; Vrbov\u00e1, Miroslava", "title": "GAS-PUFF TARGET FOR LASER-PRODUCING PLASMA SXR SOURCE", "date": "2019", "keywords": "density; gas; laser; mass; nozzle; plasma; puff; target", "summary": "Modeling of ns and ps laser-induced soft X-ray sources using nitrogen gas puff target. In Figure 6, we can see that if the pressure equals or is higher than P = 10bar, the mass density is stable for the new nozzle and an increase in gas pressure will not result in an increase in mass density.", "mime": "application/pdf"}, {"id": "ap-5393", "words": "3047", "extension": ".pdf", "flesch": "60", "author": "Hynek, Petr; Kreibich, Viktor; Firt, Roman", "title": "SUITABLE PRODUCTION TOOLS SELECTION WITH THE USE OF EVOLUTIONARY ALGORITHMS", "date": "2020", "keywords": "figure; guns; production; selection; simulation; solution; welding", "summary": "This matrix generates a set of several numbers of solutions depending on other parameters, such as the lowest price, the lowest number of used welding guns, etc. Based on the simulation results, a matrix, which defines the possibility of using given manufacturing tools (in this case welding guns are considered) to connect the plates using the electrical resistance spot welding process, is created.", "mime": "application/pdf"}, {"id": "ap-5395", "words": "3637", "extension": ".pdf", "flesch": "55", "author": "Lu\u0148\u00e1\u010dkov\u00e1, Barbara; Mohyla, Marek; Pinka, Miroslav", "title": "THE EFFECT OF SOIL GRAIN SIZE ON THE DEFORMATION PROPERTIES OF REINFORCED GEOCELL LAYERS", "date": "2019", "keywords": "aggregate; backfill; deformation; geocell; load; modulus; plate; ratio; size; soil; test", "summary": "Many researchers have observed the bearing capac- ity of geocell reinforced soils (e.g., [5, 6, 15, 16, 18\u201320]). The effect of the loading plate size and other factors on the response from geocell reinforced backfill was inves- tigated by Mehrjardi", "mime": "application/pdf"}, {"id": "ap-5399", "words": "6325", "extension": ".pdf", "flesch": "59", "author": "Solna\u0159, Stanislav; Dost\u00e1l, Martin", "title": "HEAT FLUX JUMP METHOD AS A POSSIBILITY OF CONTACTLESS MEASUREMENT OF LOCAL HEAT TRANSFER COEFFICIENTS", "date": "2019", "keywords": "coefficient; heat; heat transfer; method; temperature; transfer; transfer coefficient; values; wall", "summary": "Keywords: Heaviside function, heat transfer coefficient, experimental method, heat jump method. Heat transfer coefficients cause a temperature field to form on the thin plate, which can then be used to calculate local heat transfer coefficient values.", "mime": "application/pdf"}, {"id": "ap-540", "words": "1809", "extension": ".pdf", "flesch": "60", "author": "Zagursky, V.; Zarumba, I.; Riekstinsh, A.", "title": "A coding and On-Line Transmitting System", "date": "2004", "keywords": "channels; fig; interval; system; time; transmission", "summary": "In [1], an increasing number of channels lead to a proportional increase of acquisition time. The transmitter (see Fig. 1) has 64 identical voltage to time interval converters.", "mime": "application/pdf"}, {"id": "ap-5400", "words": "6040", "extension": ".pdf", "flesch": "54", "author": "Pazderka, Ji\u0159\u00ed; Reiterman, Pavel", "title": "CZECH WW2 CONCRETE FORTIFICATIONS: CORROSION PROCESSES AND REMEDIATION METHOD BASED ON CRYSTALLIZING COATING", "date": "2019", "keywords": "air; building; bunker; concrete; czech; figure; materials; measurement; moisture; protection; samples; structures; surface; water", "summary": "However, concrete is not perceived as a historical material by the public [4], hence the protection of concrete structures is very complicated. The main problem of concrete structures is the pres- ence of water, because most of the harmful degrada- tion processes are closely related to that", "mime": "application/pdf"}, {"id": "ap-5414", "words": "3505", "extension": ".pdf", "flesch": "58", "author": "Al-Rkaby, Alaa Hussein Jassim", "title": "EVALUATING SHEAR STRENGTH OF SAND- GGBFS BASED GEOPOLYMER COMPOSITE MATERIAL", "date": "2019", "keywords": "activator; ash; content; geopolymer; ggbfs; sand; soil; strength", "summary": "In addition to the strength properties, studies car- ried out on geopolymer based soil showed that treated soils have a high durability In this paper, a series of unconfined compression and triaxial tests were conducted on sand and sand - ground granulated blast-furnace slag (GGBFS) based geopolymer.", "mime": "application/pdf"}, {"id": "ap-5416", "words": "6415", "extension": ".pdf", "flesch": "66", "author": "Heraldy, Eddy; Rahmawati, Fitria; Ardiyanti, Dwi; Nurmawanti, Ika", "title": "FABRICATION OF Mg-Zn-Al HYDROTALCITE AND ITS APPLICATION FOR Pb2+ REMOVAL", "date": "2019", "keywords": "adsorbent; adsorption; al ht; effect; ions; oxide; pb2; solution", "summary": "Catalysis Today 158:459\u2013463, 2010. doi:10.1016/j.cattod.2010.07.013. 271 http://dx.doi.org/10.1016/j.cattod.2009.08.020 http://dx.doi.org/10.1016/j.jece.2015.09.015 http://dx.doi.org/10.22146/ijc.21190 http://dx.doi.org/10.1016/j.foodchem.2014.03.098 http://dx.doi.org/10.1016/j.molliq.2015.07.044 http://dx.doi.org/10.1016/j.jaap.2016.06.018 http://dx.doi.org/10.1016/j.cattod.2010.07.013 Acta Polytechnica 59(3):260\u2013271, 2019 1 Introduction 2 Material and methods 2.1 Materials 2.2 Procedure 2.2.1 Fabrication of Mg-Zn-Al HT adsorbents 2.2.2 Batch adsorption experiments design 3 Results and discussion 3.1 Characterization of Mg-Zn-Al HT 3.1.1 XRD analysis 3.1.2 FTIR analysis 3.1.3 Mg-Zn-Al HT optimization 3.1.4 Characterization of metal oxide formation from Mg-Zn-Al HT 3.2 Effectiveness test of Mg-Zn-Al HT and its oxide to Pb2+ adsorption 3.3 Adsorption studies of Pb2+ using Mg-Zn-Al HT oxide 3.3.1 Optimum pH determination of Pb(NO3)2 solution 3.3.2 Effect of contact time 3.3.3 Effect of initial concentration 3.3.4 Characterization of Mg-Zn-Al HT oxide adsorbent after Pb2+ adsorption 3.4 Determination of adsorption kinetics 3.5 Determination of adsorption isotherm 4 Conclusion Acknowledgements References The diffractogram of (a) JCPDS Mg-Al HT (b) JCPDS Zn-Al HT (c) JCPDS MgO (d) JCPDS ZnO (e) Mg-Zn-Al HT and (f) Mg-Zn-Al HT oxide.", "mime": "application/pdf"}, {"id": "ap-5418", "words": "5152", "extension": ".pdf", "flesch": "59", "author": "Zuhair, ; Suwoto, ; Setiadipura, Topan; Su'ud, Zaki", "title": "STUDY ON MCNP6 MODEL IN THE CALCULATION OF KINETIC PARAMETERS FOR PEBBLE BED REACTOR", "date": "2020", "keywords": "bed; bed reactor; core; enrichment; fuel; graphite; loading; model; neutron; parameters; pebble; reactor; uranium", "summary": "Keywords: kinetic parameters, pebble bed reactor, uranium loading, 235U enrichment, H/D ratio. Parameter and core specification of pebble bed reactor [10].", "mime": "application/pdf"}, {"id": "ap-542", "words": "2685", "extension": ".pdf", "flesch": "60", "author": "Zagursky, V.; Riekstinsh, A.", "title": "Speech Signal Recovery in Communication Networks", "date": "2004", "keywords": "error; interpolation; order; recovery; samples; signal; \ufffd \ufffd", "summary": "This procedure was referred to in [6] as non-adaptive, as well as the prediction with \ufffd \ufffd 1. The error can be minimized by applying the adaptive ap- proach, as was demonstrated in [6], by calculating the error for interpolation with the use of (4) and by determining the minimal error depending on the coefficients a\ufffd1 and a+1, we will obtain: \ufffd \ufffda a a r rXX XXopt \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd 1 1 11 1 2( ) ( ) , (7) where r n R n RXX XX XX( ) ( ) ( )\ufffd 0 is the correlation coefficient.", "mime": "application/pdf"}, {"id": "ap-544", "words": "4498", "extension": ".pdf", "flesch": "67", "author": "\u010cul\u00edk, J.", "title": "Simulation of Scoliosis Treatment Using a Brace", "date": "2004", "keywords": "brace; l l; spinal; spine; t \ufffd; treatment; trunk; \ufffd k; \ufffd x; \ufffd \ufffd", "summary": "The spinal curvature is stored in the computer as the following three functions \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdy y x z z x x\ufffd \ufffd \ufffd, , \ufffd \ufffd , (1) where \ufffd is the turning based on the x-axis. Let us calculate the parameters C E h C E hP P 1 2 6 \ufffd \ufffd, , C C b C C C C b C C1 1 1 2 2 2 2 3 1 1 1 2 * *, ,\ufffd \ufffd \ufffd \ufffd C C b C b C C C C b b C C3 1 2 2 1 2 4 2 2 2 3 1 1 3 1 3 2 * *,\ufffd \ufffd \ufffd \ufffd \ufffd , where EP, h, b are the modulus of elasticity, thickness and width of the compressed soft tissue.", "mime": "application/pdf"}, {"id": "ap-546", "words": "2370", "extension": ".pdf", "flesch": "54", "author": "Du\u0161ek, J.; Dost\u00e1lek, M.", "title": "Image Analysis of Eccentric Photorefraction", "date": "2004", "keywords": "accommodation; analysis; convergence; image; lens; light; system", "summary": "5 Conclusions We have designed a universal system for measuring of synkinetic reaction (accommodation and convergence) based on I. PI position and eccentric photorefraction. Image analysis of the recorded sequences is performed in order to obtain curves of basic eye reactions (accommodation and convergence).", "mime": "application/pdf"}, {"id": "ap-5475", "words": "3705", "extension": ".pdf", "flesch": "58", "author": "Yusuff, Adeyinka Sikiru; Ewere, Donatus", "title": "EXTRACTION AND EVALUATION OF OIL FROM GREEN ALGAE CLADOPHORA GLOMERATA BY HEXANE/ETHER MIXTURE", "date": "2020", "keywords": "acid; algal; extraction; fatty; oil; particle; size; solvent; temperature; time; yield", "summary": "The pH value of the algal oil was determined to be 7.18 \u00b1 0.01 and this indicates that the oil is neutral, which is in an agreement with previous studies on oil extraction from algae by many researchers Optimization of oil extraction from Leucaena leucocephala seed as an alternative low-grade feedstock for biodiesel production.", "mime": "application/pdf"}, {"id": "ap-548", "words": "2809", "extension": ".pdf", "flesch": "50", "author": "Telfer, D. J.; Spencer, J. W.; Jones, G. R.; Humphries, J. E.", "title": "A Novel Approach to Power Circuit Breaker Design for Replacement of SF6", "date": "2004", "keywords": "arc; current; extinction; fig; gases; half; sf6", "summary": "The noticeable features are: (a)Relatively small dependence upon gas pressure with SF6. It will also be extended to other appropriate polymeric materi- als, with suitable background gases and gas pressures, and electromagnetic arc driving forces in order to enhance the production of the suitable chemical species.", "mime": "application/pdf"}, {"id": "ap-5482", "words": "3045", "extension": ".pdf", "flesch": "69", "author": "Pramanik, Santiranjan; Thipse, Sukrut Shrikant", "title": "KINEMATIC SYNTHESIS OF CENTRAL-LEVER STEERING MECHANISM FOR FOUR WHEEL VEHICLES", "date": "2020", "keywords": "angle; bar; figure; mechanism; steering; wheel", "summary": "Introduction There are several types of steering mechanisms used for four-wheel vehicles. Optimal synthesis of steering mechanism including transmission angles.", "mime": "application/pdf"}, {"id": "ap-5489", "words": "3131", "extension": ".pdf", "flesch": "54", "author": "\u00daradn\u00ed\u010dek, Juraj; Musil, Milo\u0161; Bachrat\u00fd, Michal", "title": "EIGENVALUES EVALUATION OF GENERALLY DAMPED ELASTIC DISC BRAKE MODEL LOADED WITH NON-CONSERVATIVE FRICTION FORCE", "date": "2020", "keywords": "brake; damped; damping; figure; friction; non; system", "summary": "Re- liability, braking power and a fluent operation are important properties of brake systems. Thus, an unstable behaviour of mechanical systems can also be caused by a dissipation induced instability, which was, in the case of brake system, pointed out in the work of Hoffman and Gaul in 2003", "mime": "application/pdf"}, {"id": "ap-5492", "words": "7127", "extension": ".pdf", "flesch": "64", "author": "Alabbasi, Hesham Adnan; Abboud, Izz Kadhum; Hasan, Fadhil Sahib", "title": "PERFORMANCE ANALYSIS OF QUADRATURE CHAOS SHIFT", "date": "2020", "keywords": "ber; channel; chaos; dcsk; information; keying; performance; qcsk; reference; shift; signal; system", "summary": "The data rate and energy saving improvement factor in a percent form is derived and compared with the QCSK and DCSK systems. Evaluating the data-rate and energy saving im- provement, compared to conventional QCSK and DCSK systems.", "mime": "application/pdf"}, {"id": "ap-550", "words": "2484", "extension": ".pdf", "flesch": "51", "author": "Mur\u00edn, J.; Krop\u00e1\u010d, M.; Fric, R.", "title": "Numerical Analysis of the Temperature Field in Luminaires", "date": "2004", "keywords": "choke; coil; heat; surface; temperature; \ufffd \ufffd", "summary": "Surface emissivity 0.7\ufffd0.9 Bulk temperature 19 \u00b0C Coef. of convection 7.5\ufffd9.5 Table 3: Expected parameters of convection and radiation of the heat Fig. 8: Temperature field on the surface of the choke coil (\ufffd \ufffd 8.5 W/m2K; \ufffd \ufffd 0.8) 2/2004 Surface emissivity 0.7 0.8 0.9 Coef. of convection 7.5 8.5 9.5 Final maximum temperature [ \u00b0C] 72.9 67,3 62.9 Final minimum temperature [ \u00b0C] 55.1 50 45.9 Table 4: Temperature of the choke coil in extreme cases Fig. 9: Temperature field of the iron magnetic circuit (\ufffd \ufffd 8.5 W/m2K; \ufffd \ufffd 0.8) Fig.", "mime": "application/pdf"}, {"id": "ap-5503", "words": "3903", "extension": ".pdf", "flesch": "57", "author": "Rogovskii, Ivan L.; Titova, Liudmyla L.; Davydenko, Oleksii O.; Trokhaniak, Viktor I.; Trokhaniak, Oleksandra M.", "title": "TECHNOLOGY OF PRODUCING REINFORCED CONCRETE COLUMNS OF CIRCULAR CROSS-SECTIONAL AND INVESTIGATION OF THEIR STRAIN-STRESS STATE AT TRANSVERSE-LONGITUDINAL BENDING", "date": "2019", "keywords": "bending; ccsc; column; compression; concrete; load; pre; reinforcement; strain; transverse", "summary": "Bearing capacity of compressed reinforced concrete columns with high-strength non-stressed reinforcement. Load and moment interaction diagram for circular concrete columns reinforced with gfrp bars and gfrp helices:.", "mime": "application/pdf"}, {"id": "ap-5511", "words": "5728", "extension": ".pdf", "flesch": "51", "author": "Sysyn, Mykola; Nabochenko, Olga; Gerber, Ulf; Kovalchuk, Vitalii; Petrenko, Oleksiy", "title": "COMMON CROSSING CONDITION MONITORING WITH ON BOARD INERTIAL MEASUREMENTS", "date": "2019", "keywords": "acceleration; analysis; condition; crossing; features; figure; frequency; indicator; lifetime; measurement; monitoring; railway; spectral; track; wavelet", "summary": "The maximal values are used as spectral kurtosis features. Time domain and spectral features from vertical acceleration (above) and wavelet coefficients (down) Abbr.", "mime": "application/pdf"}, {"id": "ap-5513", "words": "6054", "extension": ".pdf", "flesch": "72", "author": "Halder, Amlan Kanti; Paliathanasis, Andronikos; Leach, Peter Gavin Lawrence", "title": "SIMILARITY SOLUTIONS AND CONSERVATION LAWS FOR THE BEAM EQUATIONS: A COMPLETE STUDY", "date": "2020", "keywords": "beam; bernoulli; conservation; equation; euler; form; lie; point; solutions; symmetries", "summary": "We study the similarity solutions and we determine the conservation laws of various forms of beam equations, such as Euler-Bernoulli, Rayleigh and Timoshenko-Prescott. Keywords: Symmetry analysis, singularity analysis, conservation laws, beam equation.", "mime": "application/pdf"}, {"id": "ap-552", "words": "2722", "extension": ".pdf", "flesch": "54", "author": "Nikolovski, S.; Bari\u0107, T.", "title": "Computer Aided Design of Transformer Station Grounding System Using CDEGS Software", "date": "2004", "keywords": "fig; grounding; resistivity; soil; system; touch; transformer; \ufffd \ufffd", "summary": "Maxwell\u2019s equations can be used to describe electric field E and magnetic field H in terms of scalar \ufffd and vector potential A: \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 1 A (1) E A\ufffd \ufffd \ufffd \ufffdj\ufffd \ufffd (2) H \ufffd \ufffd\ufffd 1 \ufffd x A (3) \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd j (4) where: \ufffd complex conductivity of the medium, \ufffd permeability of the medium, \ufffd conductivity of the medium, \ufffd permittivity of the medium. I V I T Y (SYSTEM INFORMATION SUMMARY) System of Units: Meters Soil Type Selected: Multi-Layer Horizontal RMS error between measured and calculated: 2.08052 % resistivities Soil layer resistivity calculated by RESAP is the initial data for a further study.", "mime": "application/pdf"}, {"id": "ap-5527", "words": "3250", "extension": ".pdf", "flesch": "62", "author": "Amin, Muhammad; Birawidha, David Candra; Isnugroho, Kusno; Hendronursito, Yusup; Sumardi, Slamet; Ario, Septa; Syafriadi, Syafriadi; Al-Muttaqii, Muhammad", "title": "THE INFLUENCE OF BASALT MINERALS AS CEMENT SUBSTITUTION MATERIALS IN MORTAR", "date": "2019", "keywords": "absorption; basalt; calcination; cement; mortar; opc; porosity; powder; strength", "summary": "The porosity and absorption properties of OPC cement mortar (a and b) and PCC cement mortar (c and d) with variation concentration of basalt. Compressive strength of OPC cement mortar with variations concentration.", "mime": "application/pdf"}, {"id": "ap-5529", "words": "3281", "extension": ".pdf", "flesch": "58", "author": "Onderov\u00e1, Iveta; \u010ca\u010dko, Viliam; Koll\u00e1th, \u013dudov\u00edt; \u0160oo\u0161, \u013dubom\u00edr; Smel\u00edk, Andrej; Varga, Alexander", "title": "PNEUMATIC SYSTEMS FOR AUTOMATIC SORTING EQUIPMENT", "date": "2019", "keywords": "cutting; deflection; laser; material; parts; position; sorting; suction; system", "summary": "Automatic system for laser cutting machines The aim of the project was to create a modular auto- matic handling system for the productive operation of MSF laser cutting machines. [1\u20133] In addition to the development of the control sys- tem for the individual modules of these nodes, the development of an information system for the produc- tion management of such a node or group of nodes creating automatic cutting workplaces was carried out.", "mime": "application/pdf"}, {"id": "ap-5532", "words": "7293", "extension": ".pdf", "flesch": "56", "author": "Bo\u0161ansk\u00fd, Michal; Patz\u00e1k, Bo\u0159ek", "title": "PARALLELIZATION OF ASSEMBLY OPERATION IN FINITE ELEMENT METHOD", "date": "2020", "keywords": "algorithm; assembly; assembly omp; element; matrix; memory; number; omp; pth; synchronization; threads; vector", "summary": "Matrix assembly total times with dividing to evaluation of local matrix assembly times and localization into global matrix assembly times of the benchmark problem considered (Jete 3M). The performance of individual strategies of the vector assembly (in terms of the achieved speedup versus increasing the number of processors) for Jete250k test are presented in Fig- ure 4 and for matrix assembly in Figure 8.", "mime": "application/pdf"}, {"id": "ap-5534", "words": "4629", "extension": ".pdf", "flesch": "59", "author": "Kuznetsov, Alexandr; Oleshko, Oleg; Kuznetsova, Kateryna", "title": "ENERGY GAIN FROM ERROR-CORRECTING CODING IN CHANNELS WITH GROUPING ERRORS", "date": "2020", "keywords": "channels; code; egc; error; lav; length; model; probability", "summary": "Let us fix the average error burst length lav and error probability per bit P0. It allows to describe the error behaviour in the communication channel and to develop practical recommendations on using error correcting codes.", "mime": "application/pdf"}, {"id": "ap-5536", "words": "3426", "extension": ".pdf", "flesch": "64", "author": "Kola\u0159\u00edkov\u00e1, Marie; Chot\u011bborsk\u00fd, Rostislav; Hromasov\u00e1, Monika; Linda, Miloslav", "title": "THE CHARACTERISTICS OF Al-Si COATING ON STEEL 22MnB5 DEPENDING ON THE HEAT TREATMENT", "date": "2019", "keywords": "coating; figure; heat; phase; steel; treatment", "summary": "[13] studied the phase formation at the soft steel interface and AlSi coating (with a silicon concentration of 5 and 10%) at temperatures of 650-700 \u00b0C. The Hysitron TI 950 TriboIndenter\u2122 nanoin- dentation system was used to analyse the mechanical properties of coatings, such as reduced elastic modu- lus and indentation hardness (HIT, according to ISO 14577-1).", "mime": "application/pdf"}, {"id": "ap-554", "words": "4844", "extension": ".pdf", "flesch": "42", "author": "B\u00e1nyai, T.", "title": "Recycling and Networking", "date": "2004", "keywords": "collection; collection system; disassembly; environmental; logistic; operation; products; recycling; system; users; waste", "summary": "1: Structure of collection systems have to be considered. 5 Conception of the design of collection systems When an optimal logistic collection system is being formed, the internal and external logistic aspects need to be considered.", "mime": "application/pdf"}, {"id": "ap-5541", "words": "4903", "extension": ".pdf", "flesch": "63", "author": "Al-Awad, Nasir Ahmad", "title": "MODEL REFERENCE ADAPTIVE CONTROL-BASED GENETIC ALGORITHM DESIGN FOR HEADING SHIP MOTION", "date": "2020", "keywords": "adaptive; control; controller; design; figure; heading; journal; model; nomoto; reference; ship; steering; time", "summary": "[4] have proposed two basic linear math- ematical models in light of the model of Davidson and Schiff, Nomoto\u2019s models have been utilized broadly by control engineers for an investigation and outline of ship controllers. Ship steering control system.", "mime": "application/pdf"}, {"id": "ap-5544", "words": "7427", "extension": ".pdf", "flesch": "61", "author": "Ikponmwosa, Efe Ewaen; Ehikhuenmen, Samuel Onosedeba; Irene, Karieren Kate", "title": "COMPARATIVE STUDY AND EMPIRICAL MODELLING OF PULVERIZED COCONUT SHELL, PERIWINKLE SHELL AND PALM KERNEL SHELL AS A POZZOLANS IN CONCRETE", "date": "2019", "keywords": "ash; concrete; curing; level; materials; pcs; pozzolans; ppks; pps; replacement; replacement level; shell; standard; strength", "summary": "Strength activity index (SAI) on pozzolans blended concrete The strength activity index (SAI) measures the poz- zolanicity of cement replacement materials (CRMs) and the measure is based on the variation of the strength with respect to its control in percent. Mathematical model The results of and the experimental data for various properties of pozzolan blended concrete were anal- ysed using a bilinear interpolation method to develop mathematical models for predicting parameters with respect to its variables.", "mime": "application/pdf"}, {"id": "ap-5549", "words": "7307", "extension": ".pdf", "flesch": "58", "author": "Hron, Vojt\u011bch; Halounov\u00e1, Lena", "title": "AUTOMATIC RECONSTRUCTION OF ROOF MODELS FROM BUILDING OUTLINES AND AERIAL IMAGE DATA", "date": "2019", "keywords": "building; building models; clouds; data; edges; height; hips; image; models; outlines; point; reconstruction; ridge; roof", "summary": "A global solution to topological reconstruction of building roof models from airborne lidar point clouds. Automatic extraction of building roofs using LIDAR data and multispectral imagery.", "mime": "application/pdf"}, {"id": "ap-5556", "words": "8425", "extension": ".pdf", "flesch": "66", "author": "Salawu, Saheed; Sobamowo, Gbeminiyi; Sadiq, Obanishola", "title": "INVESTIGATION OF THE DYNAMIC BEHAVIOUR OF NON-UNIFORM THICKNESS CIRCULAR PLATES RESTING ON WINKLER AND PASTERNAK FOUNDATIONS", "date": "2020", "keywords": "circular; foundation; free; frequency; method; plate; thickness; vibration", "summary": "c2 \u2212 32a2 10 + 32a1 10 + 36a1 14kp 7 \u2212 36a2 14kp 7 + 36a14kp 7 ) c34+ + 1 24 \uf8eb\uf8ec\uf8ec\uf8ed ( 112a1 10 \u2212 112a2 10 + 54a14kp 7 \u2202r + 3m2 r3 w(r, t) } + \u22022g(r) \u2202r2 { \u22022w(r, t) \u2202r2 + \u03bd ( 1 r \u2202w(r, t) \u2202r \u2212 m2 r2 w(r, t) )} \u2212 ks \u22022w(r, t) \u2202r2 \u2212 ks 1 r \u2202w(r, t)", "mime": "application/pdf"}, {"id": "ap-556", "words": "2938", "extension": ".pdf", "flesch": "64", "author": "Chud\u00fd, P.", "title": "Response of a Light Aircraft Under Gust Loads", "date": "2004", "keywords": "analysis; fig; gust; loads; response; time; wing; \ufffd \ufffd", "summary": "For single Input/Output systems, the PSD function of the response quantity, \ufffd(\ufffd), is related to the PSD function of the source, \ufffd(\ufffd), by \ufffd \ufffd \ufffd \ufffd( ) ( ) ( )\ufffd H i 2 \ufffd (2) where H i( )\ufffd is the frequency response function. 6: Power spectral density of T at the wing root Type of response A (N\ufffdm) N0 (Hz) M1 0.502 20.23 M2 8.263 3.105 T 0.389 20.12 Table 3: Summary of the probability parameters at the wing root station Altitude 1000.0 m True Air Speed 44.0 m\ufffds\ufffd1 Dynamic pressure 1076.06 Pa Mach number 0.1308 Gust Velocity, U0 15.0 m\ufffds\ufffd1 Table 4: Flight conditions for discrete gust analysis These points were placed at the CG and at the wing root.", "mime": "application/pdf"}, {"id": "ap-5565", "words": "6293", "extension": ".pdf", "flesch": "59", "author": "Agustina, Tuty Emilia; Teguh, Dedi; Wijaya, Yourdan; Mermaliandi, Febrian; Bustomi, Ahmad; Manalaoon, Jantan; Theodora, Gita; Rebecca, Tessa", "title": "STUDY OF SYNTHETIC DYE REMOVAL USING FENTON/TiO2, FENTON/UV, AND FENTON/TiO2/UV METHODS AND THE APPLICATION TO JUMPUTAN FABRIC WASTEWATER", "date": "2019", "keywords": "cod; colour; degradation; fenton; method; process; ratio; reaction; removal; tio2; treatment; wastewater", "summary": "The results of Fenton process are considered ineffective, therefore, the use of Fenton reagents needs to be combined with other advanced oxidation methods, namely UV light, TiO2 catalyst, or photocatalyst of UV/TiO2. As the a results, the photo-Fenton process was supe- rior to Fenton process.", "mime": "application/pdf"}, {"id": "ap-558", "words": "4248", "extension": ".pdf", "flesch": "67", "author": "Slav\u00edk, S.", "title": "Preliminary Determination of Propeller Aerodynamic Characteristics for Small Aeroplanes", "date": "2004", "keywords": "blade; drag; factor; lift; lock; power; propeller; thrust; \ufffd \ufffd", "summary": "\ufffd \ufffd \ufffd \ufffd \ufffd ) cos( ) ,2 \ufffdi (5) and the angle of the real incoming flow \ufffd: \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd0 7 0 7 0 7 0 7 . . \ufffd \ufffd \ufffd \ufffd0 7 0 7 (8) Calculation of the thrust coefficient at given advance ra- tios requires not only the lift cl(\ufffd) and drag cd(\ufffd) blade curves but also the relationship to determine angle of attack \ufffd.", "mime": "application/pdf"}, {"id": "ap-5588", "words": "3526", "extension": ".pdf", "flesch": "66", "author": "\u010c\u00ed\u017eek, Michal; P\u00e1tek, Zden\u011bk", "title": "ON CFD INVESTIGATION OF RADIAL CLEARANCE OF LABYRINTH SEALS OF A TURBINE ENGINE", "date": "2020", "keywords": "clearance; engine; fig; flow; pressure; seals; teeth; turbine", "summary": "The aim is to describe numerical calculations of fluid flow in labyrinth seals and evaluate the calculated data for different settings of radial clearance of labyrinth seals. 1/2020 On CFD Investigation of radial clearance of labyrinth seals. .", "mime": "application/pdf"}, {"id": "ap-5590", "words": "5077", "extension": ".pdf", "flesch": "54", "author": "Lojda, V\u00edt; Krej\u010di\u0159\u00edkov\u00e1, Hana", "title": "TRACK GAUGE STABILITY UNDER EFFECT OF SLEEPER THERMAL EXPANSION", "date": "2019", "keywords": "coefficient; expansion; gauge; polymer; railway; rep; rep_c; sleeper; temperature; track", "summary": "The main objective of this article is to describe the role of the thermal expansion, represented by a coefficient of linear thermal expansion \u03b1, in the devel- opment of polymer railway sleepers and to consider the range of \u03b1 with respect to their production. [23] where the limit value of the coefficient \u03b1 for polymer sleepers required by American Rail- way Engineering and Maintenance-of-Way Association (AREMA) is 7.5 \u00b7 10\u22125 K\u22121", "mime": "application/pdf"}, {"id": "ap-5592", "words": "4663", "extension": ".pdf", "flesch": "55", "author": "Gabri\u0161ov\u00e1, \u013dudmila; Peciar, Peter; Macho, Oliver; Juriga, Martin; Galbav\u00e1, Paul\u00edna; Ni\u017enansk\u00e1, \u017dofia; Kubinec, R\u00f3bert; Valent, Ivan; Peciar, Mari\u00e1n", "title": "THE DEVELOPMENT OF A NEW ADSORPTION-DESORPTION DEVICE", "date": "2020", "keywords": "adsorption; carbon; device; doi:10.1016; engineering; ethanol; gas; mixture; model; process; separation; stripping; temperature; water", "summary": "Acta Polytechnica DOI:10.14311/AP.2020.60.0455 Acta Polytechnica 60(6):455\u2013461, 2020 \u00a9 Czech Technical University in Prague, 2020 available online at https://ojs.cvut.cz/ojs/index.php/ap THE DEVELOPMENT OF A NEW ADSORPTION-DESORPTION DEVICE \u013dudmila Gabri\u0161ov\u00e1a,\u2217, Peter Peciara, Oliver Machoa, Martin Jurigaa, Paul\u00edna Galbav\u00e1b, \u017dofia Ni\u017enansk\u00e1b, R\u00f3bert Kubinecb, Ivan Valentc, Mari\u00e1n Peciara a Slovak University of Technology in Bratislava, Faculty of Mechanical Engineering, Institute of Process Engineering, N\u00e1mestie Slobody 17, 812 31 Bratislava, Slovakia b Comenius University in Bratislava, Faculty of Natural Sciences, Institute of Chemistry, Mlynsk\u00e1 dolina, Ilkovi\u010dova 6, 842 15 Bratislava, Slovakia c Comenius University in Bratislava, Faculty of Natural Sciences, Department of Physical and Theoretical Chemistry, Mlynsk\u00e1 dolina, Ilkovi\u010dova 6, 842 15 Bratislava, Slovakia \u2217 corresponding author: ludmila.gabrisova@stuba.sk Abstract. Keywords: Adsorption, desorption, air stripping, activated carbon, ethanol.", "mime": "application/pdf"}, {"id": "ap-5599", "words": "5145", "extension": ".pdf", "flesch": "68", "author": "Vashi, Yoginibahen Devendrasinh; Patel, Rakesh Manilal; Deheri, Gunamani Biswanath", "title": "NEURINGER-ROSEINWEIG MODEL BASED LONGITUDINALLY ROUGH POROUS CIRCULAR STEPPED PLATES IN THE EXISTENCE OF COUPLE STRESS", "date": "2020", "keywords": "bearing; h\u2217 =; values; \u22120.025", "summary": "Squeeze film characteristics of finite journal bearings: couple stress fluid model. Furthermore, this improvement in load bearing capacity is almost 58% higher when 264 vol.", "mime": "application/pdf"}, {"id": "ap-560", "words": "2911", "extension": ".pdf", "flesch": "59", "author": "Ulrych, J.", "title": "Analysis of Unsteady Transonic Flow Fields by Means of the Colour Streak Schlieren Method", "date": "2004", "keywords": "deg; f \ufffd; flow; oscillation; shock; \ufffd \ufffd", "summary": "For the CSSM analysis M\ufffd \ufffd 0.9, \ufffd \ufffd 4 deg, \ufffd\ufffd \ufffd \ufffd3 deg, f \ufffd 1, 15, 30 Hz, and t \ufffd 2.2 mm. 4: CSSM \u2013 the final flow field image a) b) c) Fig. 5: a) M\ufffd \ufffd 0.9, \ufffd \ufffd 4 deg, \ufffd\ufffd \ufffd \ufffd3 deg, f \ufffd 1", "mime": "application/pdf"}, {"id": "ap-562", "words": "3535", "extension": ".pdf", "flesch": "62", "author": "Catalano, F. M.", "title": "On the Effects of an Installed Propeller Slipstream on Wing Aerodynamic Characteristics", "date": "2004", "keywords": "effect; fig; flow; propeller; pusher; separation; tractor; transition; wing", "summary": "The relative position between propeller and wing could be changed in the pusher model, and a total of 7 positions were analysed. [5, 6] and also demonstrated that laminar flow could be increased when pusher propellers are installed in convenient positions behind a wing, resulting in less friction drag.", "mime": "application/pdf"}, {"id": "ap-564", "words": "3151", "extension": ".pdf", "flesch": "45", "author": "Heger, J.", "title": "Finite Element Modelling of Mechanical Phenomena Connected to the Technological Process of Continuous Casting of Steel", "date": "2004", "keywords": "casting; m \ufffd; process; product; simulation; slab; \ufffd \ufffd", "summary": "Keywords: Continuous casting, steel slab, numerical simulation, finite element method, nonlinearity, large deformations, contact, crack initiation. \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ 15 Acta Polytechnica Vol. 44 No. 3/2004 Finite Element Modelling of Mechanical Phenomena Connected to the Technological Process of Continuous Casting of Steel J. Heger A finite element method algorithm is presented that enables numerical simulation of real phenomena that take place during an industrial process of continuous casting of steel.", "mime": "application/pdf"}, {"id": "ap-566", "words": "1865", "extension": ".pdf", "flesch": "62", "author": "Mare\u0161, T.", "title": "Controlling Laminate Plate Elastic Behavior", "date": "2004", "keywords": "plate; plies; \ufffd \ufffd", "summary": "It is well-known that an actual deformed state minimizes the potential energy \ufffd \ufffd\ufffd u u u u\ufffd \ufffda , l( ) ( ) , where a ,( )u u is elastic potential energy \ufffd \ufffd \ufffd \ufffda , Eijkl ij kl( ) ( ) ( ) ( )u u x u x u x\ufffd \ufffd \ufffd\ufffd 1 2 \ufffd \ufffd \ufffd \ufffdd and l(u) is potential energy of external loads i i t ( )u \ufffd \ufffd\ufffd \ufffdd d\ufffd \ufffd \ufffd \ufffd\ufffd .", "mime": "application/pdf"}, {"id": "ap-568", "words": "1865", "extension": ".pdf", "flesch": "60", "author": "Bauma, V.; Val\u00e1\u0161ek, M.; \u0160ika, Z.", "title": "Design and Properties of Octaslide Redundant Parallel Kinematics", "date": "2004", "keywords": "fig; octaslide", "summary": "24 \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ Acta Polytechnica Vol. 44 No. 3/2004 Design and Properties of Octaslide Redundant Parallel Kinematics V. Bauma, M. Val\u00e1\u0161ek, Z. \u0160ika This paper describes the conceptual design process of OCTASLIDE redundant parallel kinematics for a machine tool. The design process follows the newly developed design methodol- ogy for parallel kinematics machines.", "mime": "application/pdf"}, {"id": "ap-5680", "words": "2678", "extension": ".pdf", "flesch": "59", "author": "Mihalev, Mihail Stoyanov; Hardalov, Chavdar Momchilov; Christov, Christo Georgiev; Rinke, Monika; Leiste, Harald; Schneider, Johannes", "title": "ADDITIVE LASER BARCODE PRINTING ON HIGH REFLECTIVE STAINLESS STEEL", "date": "2020", "keywords": "bar; barcode; contrast; laser; reflectance; steel", "summary": "Spectral Reflectance Profile of stainless steel substrate and MoO3 layer, obtained by the ALM. The resulting additive coatings, produced from initial MoO3 powder by irradiation with a laser beam, reveal strong adhesion, high hardness, long durability and high optical contrast, which make the process suitable for barcode printing on materials such as high reflective stainless steel, which was always a challenge for the classical laser marking technologies.", "mime": "application/pdf"}, {"id": "ap-5687", "words": "6932", "extension": ".pdf", "flesch": "58", "author": "Silva, Willian T. F. D.; Borges, Filipe D. D. M.", "title": "Genetic algorithms to determine the optimal parameters of an ensemble local mean decomposition", "date": "2021", "keywords": "decomposition; figure; frequency; function; mean; method; mode; processing; product; results; signal; time", "summary": "An ensemble local means decomposition method and its application to local rub-impact fault diagnosis of the rotor systems. Complementary ensemble local means decomposition method and its application to rolling element bearings fault diagnosis.", "mime": "application/pdf"}, {"id": "ap-570", "words": "2615", "extension": ".pdf", "flesch": "66", "author": "Mal\u00e9\u0159, Z.; Slav\u00edk, S.; Marczi, T.; R\u016f\u017ei\u010dka, M.", "title": "Common Mathematical Model of Fatigue Characteristics", "date": "2004", "keywords": "model; \ufffd \ufffd", "summary": "The designed model was able to describe, with sufficient accuracy and reliability, the results for five different struc- tures and elements within the range of N \ufffd 104 through 106 to 107, and within the range of R \ufffd \ufffd1 through 0.6, pre-processed in some way (graphical or mathematical). The fatigue data usually described the region of N \ufffd104 to 3 106\ufffd and stress ratio of R to\ufffd \ufffd2 05. .", "mime": "application/pdf"}, {"id": "ap-5709", "words": "7095", "extension": ".pdf", "flesch": "61", "author": "Bene\u0161, Michal; \u0160tefan, Radek", "title": "HOMOGENIZATION OF TRANSPORT PROCESSES AND HYDRATION PHENOMENA IN FRESH CONCRETE", "date": "2020", "keywords": "cell; concrete; homogenization; hydration; mesh; mesoscale; model; problem; solution; transport; water", "summary": "This means that a very large number of cell problems need to be solved in order to compute homogenized coefficients A\u2217 and \u039b\u2217 in the whole macroscopic domain \u2126. In [20], the authors proposed an analytical approx- imation of the solution to the periodic cell problem (17) with a step function A defined by (18). Due to the limited scope of the paper, such problem is not presented and will be analysed in our future work.", "mime": "application/pdf"}, {"id": "ap-5713", "words": "5528", "extension": ".pdf", "flesch": "66", "author": "Wasiu, John; Baba, Daoud Mohammad", "title": "INFLUENCE OF CHEMICAL POLYMER ADDITIVE ON THE PHYSICAL AND MECHANICAL PROPERTIES OF EXPANDED POLYSTYRENE CONCRETE", "date": "2020", "keywords": "aggregate; coarse; concrete; eps; rcpa; renolith; replacement; strength; test; water", "summary": "Slump chart with and without renolith at different % replacement of coarse aggregate with EPS beam. Computed densities at different % replacement of coarse aggregate with EPS beads.", "mime": "application/pdf"}, {"id": "ap-5715", "words": "9802", "extension": ".pdf", "flesch": "57", "author": "Daniyan, Ilesanmi; Tlhabadira, Isaac; Mpofu, Khumbulani; Adeodu, Adefemi", "title": "DEVELOPMENT OF NUMERICAL MODELS FOR THE PREDICTION OF TEMPERATURE AND SURFACE ROUGHNESS DURING THE MACHINING OPERATION OF TITANIUM ALLOY (Ti6Al4V)", "date": "2020", "keywords": "cutting; depth; figure; model; network; parameters; piece; process; rate; speed; spindle; surface; surface roughness; temperature; tool; value", "summary": "The feasible combinations of these process parameters produced 41 experimental trials whose response (surface roughness and temperature) were determined via the physical experimentations. For the three input data parameters employed for this study (the feed rate, spindle speed and the cut- ting velocity), the number of the neurons in the hid- den layer was obtained as ten and the corresponding number of the output layer and expected output pa- rameters was three (depth of cut, surface roughness and temperature) as shown in Figure 4.", "mime": "application/pdf"}, {"id": "ap-5718", "words": "4801", "extension": ".pdf", "flesch": "51", "author": "Davidov\u00e1, Vendula; Reiterman, Pavel", "title": "SHRINKAGE OF VARIOUS TYPES OF PORTLAND CLINKER-BASED CEMENTS WITH RESPECT TO THEIR HYDRATION DEGREE", "date": "2020", "keywords": "cement; concrete; curing; degree; doi:10.1016; drying; figure; hydration; materials; properties; shrinkage; strength", "summary": "The main outcomes of the performed program could be summarized as follows: \u2022 Reaction kinetics of the cements essentially deter- mines the character of the measurement by using a conventional contact method, \u2022 Prolonged curing reduces final shrinkage, \u2022 Higher kinetics of cement hydration suppress the effect of the autogenous shrinkage and led to the significant overestimation of studied cements, \u2022 Lower kinetics of cement hydration led to the dom- inance of the drying shrinkage and a significant misrepresentation of obtained results, because the drying shrinkage is controlled by the diffusion, \u2022 Cement hydration is a complex reaction resulting in a solid structure.", "mime": "application/pdf"}, {"id": "ap-572", "words": "2491", "extension": ".pdf", "flesch": "66", "author": "Leinonen, J. I.", "title": "Superior Properties of Ultra-fine-grained Steels", "date": "2004", "keywords": "grain; impact; steels; strength; tncp; toughness", "summary": "Numerous research projects to develop still better struc- tural steels, e.g. \u201cultra steels\u201d or \u201csuper steels\u201d, have been commenced all over the world since the mid-1990s, espe- cially in Asia (e.g. Japan, South Korea, China), Australia and Europe. The effect of ferrite grain size on yield strength and impact transition temperature (tough/brittle), extrapolated to ultra-fine grain sizes, is shown in Fig.", "mime": "application/pdf"}, {"id": "ap-574", "words": "4258", "extension": ".pdf", "flesch": "55", "author": "Pol\u00e1\u0161ek, M.; Macek, J.; V\u00edtek, O.; Kozel, K.", "title": "Integration of CFD Methods into Concurrent Design of Internal Combustion Engine", "date": "2004", "keywords": "combustion; cylinder; design; engine; fig; knock; level; model; simulation; temperature; time", "summary": "Using these tools, real limits for high-b.m.e.p., downsized SI engines and optimized cycle parameters can be estimated in advance, taking into account the auto-ignition and knock limits. 3 Application of a thermodynamic model to SI engine downsizing concept simulation The current trend toward significant CO2 reduction calls for an increase in the fuel economy of engines and cars.", "mime": "application/pdf"}, {"id": "ap-576", "words": "3089", "extension": ".pdf", "flesch": "51", "author": "Matsuki, N.; Tokunaga, H.; Sawada, H.", "title": "A Component-based Software Development and Execution Framework for CAx Applications", "date": "2004", "keywords": "application; component; data; parametric; platform; software; xml", "summary": "The MZ-Platform infrastructure is a component-based software development framework, designed for supporting enterprises to enhance digitalized technologies using software tools and CAx components in a self-innovative way. The XML-Component Transmutation module can store component assembly in XML format.", "mime": "application/pdf"}, {"id": "ap-578", "words": "5319", "extension": ".pdf", "flesch": "60", "author": "Hor\u00e1k, M.", "title": "Nanoelectronic Device Structures at Terahertz Frequency", "date": "2004", "keywords": "barrier; e \ufffd; function \ufffd; max \ufffd; p \ufffd; t t; t \ufffd; \ufffd b; \ufffd c; \ufffd \ufffd", "summary": "q p \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 1 0 0 0 0 0 0 0 0 2 ac B \ufffd\ufffd ( ) cos( ) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd sin( ) ( ) cos( ) sin( p x k p p x i p k q p 0 0 0 1 0 0 0 0 B B p x\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 1 B) . (13) For a rectangular barrier we obtain f x e g x e p m E Uip x ip x( ) , ( ) , ( )max\ufffd \ufffd \ufffd \ufffd\ufffd0 0 0 2 \ufffd (3) where p0 is real for E U\ufffd max (this corresponds to the electron emission over the barrier) and p0 is imaginary, p i0 0\ufffd \ufffd for E U\ufffd max (electron tunneling through the barrier).", "mime": "application/pdf"}, {"id": "ap-5781", "words": "4741", "extension": ".pdf", "flesch": "61", "author": "Sabatini, Michel; Havl\u00edk, Jan; Dlouh\u00fd, Tom\u00e1\u0161", "title": "Improving the efficiency of a steam power plant cycle by integrating a rotary indirect dryer", "date": "2021", "keywords": "content; dryer; drying; efficiency; fuel; moisture; moisture content; plant; power; power plant; steam", "summary": "To obtain dried fuel, more water, in dependence on the moisture content before and after drying, has to be evaporated. Keywords: Indirect drying, biomass drying, power generation efficiency.", "mime": "application/pdf"}, {"id": "ap-5791", "words": "5325", "extension": ".pdf", "flesch": "62", "author": "Nnochiri, Emeka Segun; Ogundipe, Olumide Moses; Ola, Samuel Akinlabi", "title": "Geotechnical and microstructural properties of cement-treated laterites stabilized with rice husk ash and bamboo leaf ash", "date": "2021", "keywords": "a-7; ash; bla; cbr; cement; figure; properties; rha; sample; soil; soil sample", "summary": "Materials The materials used were: rice husk ash, bamboo leaf ash, soil sample, ordinary Portland cement and water. Chemical composition of soil sample, BLA, RHA and cement.", "mime": "application/pdf"}, {"id": "ap-580", "words": "1469", "extension": ".pdf", "flesch": "52", "author": "Geromiller, H.-P.; Farschtschi, A.", "title": "Numerical Calculation of Electric Fields in Housing Spaces due to Electromagnetic Radiation from Antennas for Mobile Communication", "date": "2004", "keywords": "\ufffd \ufffd", "summary": "2: Dependency of maximum electric field strength inside a housing space referred to the incident electric field strength (E Eincmax ) over angle of incidence (\ufffd) related to the energetic density of electromagnetic waves, and therefore the negative impacts on humans increases dispro- portionately with electric field strength. Investiga- tion of electric field strength inside the house-spacing was based on different angles of incidence within the range of 5\u00b0\ufffd\ufffd\ufffd85\u00b0 in steps of \ufffdstep \ufffd 5\u00b0.", "mime": "application/pdf"}, {"id": "ap-5805", "words": "4917", "extension": ".pdf", "flesch": "56", "author": "Henriques, Henrique Oliveira; Vizeu, Carlos Eduardo; Souza, Paulo Cesar; Costa, Mauricio Caldora; Sotelo, Guilherme Gon\u00e7alves; Sousa, Jonaylton Moura; Fortes, Marcio Zamboti; Ferreira, Vitor Hugo", "title": "COUPLED ELECTROMAGNETIC-THERMAL SIMULATION OF A POWER TRANSFORMER BY 3D FEM", "date": "2020", "keywords": "case; figure; heat; load; model; oil; power; power transformer; simulation; temperature; transformer; windings", "summary": "Power transformers are the most common equipment in an electric power system, which has been manufactured in the last decade. Keywords: Power transformer, thermal simulation, finite element method, hot spot, CFD.", "mime": "application/pdf"}, {"id": "ap-5809", "words": "7127", "extension": ".pdf", "flesch": "68", "author": "Vokurka, Karel", "title": "ON THE SECOND LIGHT FLASH EMITTED FROM A SPARK-GENERATED BUBBLE OSCILLATING IN WATER", "date": "2020", "keywords": "bubble; d12; figure; light; pressure; pulse; rm1; spark; time; u1(t", "summary": "Generated bubbles can be described by two parameters. Experimental study of the thermal behavior of spark generated bubbles in water.", "mime": "application/pdf"}, {"id": "ap-582", "words": "2538", "extension": ".pdf", "flesch": "63", "author": "Green, G.; Mamtani, G.", "title": "An Integrated Decision Making Model for Evaluation of Concept Design", "date": "2004", "keywords": "concepts; design; evaluation; fuzzy", "summary": "62 \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ Acta Polytechnica Vol. 44 No. 3/2004 An Integrated Decision Making Model for Evaluation of Concept Design G. Green, G. Mamtani The Conceptual design phase generates various design concepts and these are then evaluated in order to identify the \u2018Best\u2019 concept. One of them includes application of Fuzzy Logic as a tool to evaluate design concepts against criteria.", "mime": "application/pdf"}, {"id": "ap-5826", "words": "5384", "extension": ".pdf", "flesch": "71", "author": "Urban, Jan; Rycht\u00e1rikov\u00e1, Renata; Mach\u00e1\u010dek, Petr; \u0160tys, Dalibor; Urbanov\u00e1, Pavla; C\u00edsa\u0159, Petr", "title": "OPTIMIZATION OF COMPUTATIONAL BURDEN OF THE POINT INFORMATION GAIN", "date": "2019", "keywords": "entropy; histogram; image; information; intensity; j=0; pixel; w \u2212", "summary": "A promising way for automation of the whole pro- cess of the selection of a sub-image of proper parame- ters is a usage of an equation of information entropy, which was defined by Shannon and generalized by R\u00e9nyi \u2212 ej H +W \u2212 1 ln nj(x) + nj(y)", "mime": "application/pdf"}, {"id": "ap-5835", "words": "5129", "extension": ".pdf", "flesch": "66", "author": "Wasiu, John; Oluwatosin, Fashina Ayoola", "title": "EXPERIMENTAL INVESTIGATION OF THE POZZOLANIC POTENTIALS OF MILLET AND RICE HUSK ASH AS MINERAL ADDITIVE IN SELF-COMPACTING CONCRETE", "date": "2020", "keywords": "ash; concrete; mha; mineral; nvc; properties; rha; scc; self; strength; test", "summary": "Rice husk ash as a partial replacement of cement in high strength concrete containing micro silica: Strength test using compression testing machine The load per unit area exerted on the concrete material under test and tending to shorten or reduce its size is called the compressive strength.", "mime": "application/pdf"}, {"id": "ap-5838", "words": "3750", "extension": ".pdf", "flesch": "52", "author": "Havl\u00edk, Jan; Dlouh\u00fd, Tom\u00e1\u0161; Sabatini, Michel", "title": "THE EFFECT OF THE FILLING RATIO ON THE OPERATING CHARACTERISTICS OF AN INDIRECT DRUM DRYER", "date": "2020", "keywords": "capacity; dryer; drying; energy; evaporation; filling; heat; material; water", "summary": "Based on the experimental results, the effect of various drum filling by dried material on the mentioned operating characteristics was analysed. In order to appropriately compare measurements, the evaporation capacity values are determined for dry- ing to a similar value of final water content around 40wt% in dried material to illustrate the intensity of drying process in the developed phase.", "mime": "application/pdf"}, {"id": "ap-584", "words": "2226", "extension": ".pdf", "flesch": "59", "author": "Chud\u00fd, P.; Fi\u013eakovsk\u00fd, K.; Friedl, J.", "title": "Aerodynamic Analysis of Turboprop Engine Air Intake", "date": "2004", "keywords": "air; air intake; fig; geometry; intake; pressure", "summary": "\ufffd Original air intake, \ufffd Air intake +10 %, \ufffd Air intake \ufffd 10%, \ufffd Air intake with prismatic insert, \ufffd Optimised air intake. \ufffd SST 53.77 255.79 309.56 4.757 Insert 63.13 240.23 303.36 3.805 \ufffd10 % 49.97 237.02 286.99 4.743 +10 % 45.40 231.08 276.48 5.090 Optimized 127.30 223.53 350.83 1.756 Table 1: Summary of results Fig. 8: Contours of static pressure (relative to the reference pres- sure), original air intake, k-e turbulence model Fig. 9: Streamlines in internal sections, original air intake, k-\ufffd turbulence model 5 Comparison with experiment The experiment was performed by Walter a.s. in a static test room for engines [8].", "mime": "application/pdf"}, {"id": "ap-5840", "words": "8104", "extension": ".pdf", "flesch": "57", "author": "Lytvyniak, Oksana", "title": "DEFORMATION ANALYSIS OF LAYERED REINFORCED CONCRETE - FOAM CONCRETE FLOOR SLABS", "date": "2020", "keywords": "concrete; deformation; foam concrete; lrfcs; stresses; tensile; zc1; \u03b5fc1; \u03b5fc1 \u03b5fc1", "summary": "(12) The value of deformation \u03b5ct1 on the upper tensile border of normal concrete (it is in a direct contact with a layer of tensile foam concrete) is determined from the equation (11) with the use of the change of the value of deformation \u03b5fc1 (in fixed limits) on the upper fibre of compressed foam concrete. (8) The corresponding values of relative deformations \u03b5fc1 on the upper limit of the compressed foam concrete are determined in an accordance with the prescribed values of relative deformations \u03b5ct2 on the lower limit of tensile normal concrete according to the formula (7).", "mime": "application/pdf"}, {"id": "ap-5846", "words": "4563", "extension": ".pdf", "flesch": "62", "author": "Macho, Oliver; Demkov\u00e1, Karin; Gabri\u0161ov\u00e1, \u013dudmila; \u010cierny, Mat\u00fa\u0161; Mu\u017e\u00edkov\u00e1, Jitka; Galbav\u00e1, Paul\u00edna; Ni\u017enansk\u00e1, \u017dofia; Bla\u0161ko, Jaroslav; Peciar, Peter; Fekete, Roman; Peciar, Mari\u00e1n", "title": "ANALYSIS OF STATIC ANGLE OF REPOSE WITH RESPECT TO POWDER MATERIAL PROPERTIES", "date": "2020", "keywords": "aif; angle; aor; doi:10.1016; flow; material; particles; powder; properties; repose; value", "summary": "This paper investigates the Angle of Repose (AoR) of powder materials with respect to their morphological and rheological properties. The AoR measurement is used in many applications of processing, storing and handling powder materials, determining the slope stability, furnace design and many other uses.", "mime": "application/pdf"}, {"id": "ap-5850", "words": "4241", "extension": ".pdf", "flesch": "52", "author": "Askarova, Aliya; Bolegenova, Saltanat; Maximov, Valeriy; Bolegenova, Symbat; Nugymanova, Aizhan; \u0160afa\u0159\u00edk, Pavel", "title": "3-D MODELING OF HEAT AND MASS TRANSFER PROCESS DURING THE COMBUSTION OF SOLID FUEL IN A SWIRL FURNACE", "date": "2019", "keywords": "air mixture; boiler; combustion; combustion chamber; flow; flow method; method; supplying; swirl", "summary": "Mathematical simulation of pulverized coal in combustion chamber. Computational modeling of heat and mass transfer processes in combustion chamber at power plant of kazakhstan.", "mime": "application/pdf"}, {"id": "ap-586", "words": "3681", "extension": ".pdf", "flesch": "52", "author": "Jurun, E.; Veza, I.", "title": "Developing Model for Supply Chain Management - the Case of Croatia", "date": "2004", "keywords": "chain; enterprises; management; planning; price; supplier; supply; \ufffd \ufffd", "summary": "i i n \ufffd \ufffd \ufffd 1 (aggregate quality constraint) (6) l x LDi i i n \ufffd \ufffd \ufffd 1 (aggregate delivery constraint) (7) x Di i n \ufffd \ufffd \ufffd 1 (demand constraint) (8) x v i ni i\ufffd \ufffd1, ,\ufffd (supplier constraints) (9) x i ni \ufffd \ufffd0 1, ,\ufffd (non-negativity constraint) (10) Let us assume that the producer requires the total quantity of goods D, therefore x Dijk k l j m i i n \ufffd\ufffd\ufffd \ufffd\ufffd\ufffd \ufffd 111 ( ) (21) must be valid.", "mime": "application/pdf"}, {"id": "ap-588", "words": "4566", "extension": ".pdf", "flesch": "57", "author": "Farouk, A.; Lamboj, L.; Kos, J.", "title": "A Numerical Model to Predict Matric Suction Inside Unsaturated Soils", "date": "2004", "keywords": "fig; matric; model; particles; soil; suction; water; \ufffd \ufffd", "summary": "r R1 1\ufffd \ufffd \ufffd( tan sec )\ufffd \ufffd , (6) x R\ufffd sin \ufffd , (7) z R\ufffd \ufffd2 1( cos )\ufffd . Matric suction in such a system arises from capillary actions attributed to interactions between air-water menisci (which are generated from the surface tension phenomenon), and soil particles.", "mime": "application/pdf"}, {"id": "ap-5897", "words": "7670", "extension": ".pdf", "flesch": "92", "author": "Caalim, Jonathan; Demegillo, Shiela", "title": "BETA CANTOR SERIES EXPANSION AND ADMISSIBLE SEQUENCES", "date": "2020", "keywords": "beta; expansion", "summary": "Then, for small \u03b5 > 0, c\u22171 = b\u03b1(\u03b3 + 1)\u2212 \u03b3 + \u03b5c = \u03b1(\u03b3 + 1) \u2212 \u03b3 = c1. Define IB := {n \u2208 N \u222a {0} | sgn(B[n+ 1]) > 0} and CB := {\u03b3 \u2208 R | \u03b2n+1T n(\u03b3 + 1)\u2212 \u03b3 /\u2208 Z for n \u2208 IB}.", "mime": "application/pdf"}, {"id": "ap-590", "words": "3653", "extension": ".pdf", "flesch": "58", "author": "Farouk, A.; Lamboj, L.; Kos, J.", "title": "Influence of Matric Suction on the Shear Strength Behaviour of Unsaturated Sand", "date": "2004", "keywords": "matric; matric suction; pressure; samples; sand; suction; water", "summary": "In addition, many researchers have presented their re- sults, when conducting constant water content triaxial tests (CW) on unsaturated soils, without analyzing the change of matric suction during these tests. Therefore, the decision was taken to study the shear strength behaviour of unsaturated sand using the CW triaxial test method with measurements of matric suction during the shearing stage.", "mime": "application/pdf"}, {"id": "ap-5918", "words": "6016", "extension": ".pdf", "flesch": "68", "author": "Haouam, Ilyas", "title": "ANALYTICAL SOLUTION OF (2+1) DIMENSIONAL DIRAC EQUATION IN TIME-DEPENDENT NONCOMMUTATIVE PHASE-SPACE", "date": "2020", "keywords": "dirac; doi:10.1103; equation; field; phase; physical; quantum; review; space; time; |\u03c6(\u03bb", "summary": "Time profile of harmonic generation. The above equation is the relation of the ordinary NCG except that the NC structure constants are considered as exponentially increasing functions with the evolution of time.", "mime": "application/pdf"}, {"id": "ap-592", "words": "2670", "extension": ".pdf", "flesch": "69", "author": "Ficker, T.", "title": "Multifractal Image Analysis of Electrostatic Surface Microdischarges", "date": "2004", "keywords": "phys; surface; vol; \ufffd \ufffd", "summary": "Many followers appeared in the field of computer simula- tions of discharge channel structures [12\u201318]. An abundant rami- fication, when the branches thoroughly fill the surface, leads to a geometrical structure whose dimension D will approach that of a plane (D \ufffd 2).", "mime": "application/pdf"}, {"id": "ap-594", "words": "2449", "extension": ".pdf", "flesch": "62", "author": "Ficker, T.; Kapi\u010dka, V.; Macur, J.; Slav\u00ed\u010dek, P.; Bene\u0161ovsk\u00fd, P.", "title": "Fractality of Electrostatic Microdischarges on the Surface of Polymers", "date": "2004", "keywords": "electret; figures; forming; lichtenberg; \ufffd \ufffd", "summary": "4\u20136 in which the increasing linear dependence D aU b\ufffd \ufffd is well recognisable. 1: Lichtenberg figures generated at 8 kV and 30 min., (D \ufffd 1.486, sample no. 27) termined.", "mime": "application/pdf"}, {"id": "ap-5940", "words": "6900", "extension": ".pdf", "flesch": "57", "author": "Adebayo, Abdullahi Olawale; Oyetunji, Akinlabi; Alaneme, Kenneth Kenayo", "title": "MICROSTRUCTURAL CHARACTERISTICS, MECHANICAL AND WEAR BEHAVIOUR OF ALUMINIUM-ALLOYED DUCTILE IRONS SUBJECTED TO TWO AUSTEMPERING PROCESSES", "date": "2020", "keywords": "aluminium; ausferrite; austempering; cast; ductile; ductile irons; graphite; properties; step; wear; wt.%", "summary": "Austempered ductile iron (ADI): Influence of austempering temperature on microstructure, mechanical and wear properties and energy consumption. Ductile irons containing 1\u22124wt.% Al were produced and subjected to single and two-step austempering processes.", "mime": "application/pdf"}, {"id": "ap-5955", "words": "5287", "extension": ".pdf", "flesch": "65", "author": "Pylypaka, Serhii F.; Klendii, Mykola B.; Trokhaniak, Viktor I.; Kresan, Tetiana A.; Hryshchenko, Iryna Y.; Pastushenko, Andrii S.", "title": "EXTERNAL ROLLING OF A POLYGON ON CLOSED CURVILINEAR PROFILE", "date": "2021", "keywords": "angle; depth; disk; fig; movement; radius; soil; surface; tillage; unit", "summary": "Keywords: Surface tillage, helical surface, developable helicoid, approach angle, flight development, movement pattern. Five types of ruled helical surfaces for helical conveyers, support anchors and screws.", "mime": "application/pdf"}, {"id": "ap-596", "words": "2652", "extension": ".pdf", "flesch": "57", "author": "Jirou\u0161ek, P.", "title": "Programming a Logical Control Method by a Parallel Process", "date": "2004", "keywords": "control; language; primas; processes; program; system", "summary": "There exist higher level of logical control program systems such as STEP 5 and GRAFCET. Unlike other program systems, for instance systems support- ing the GRAFCET, verification is performed in graphical form.", "mime": "application/pdf"}, {"id": "ap-5960", "words": "5737", "extension": ".pdf", "flesch": "57", "author": "Sunu, Putu Wijaya; Anakottapary, Daud Simon; Suarta, I Made; Santosa, I Dewa Made Cipta; Suarsana, Ketut", "title": "HEAT TRANSFER ENHANCEMENT AND FRICTION IN DOUBLE PIPE HEAT EXCHANGER WITH VARIOUS NUMBER OF LONGITUDINAL GROOVES", "date": "2020", "keywords": "annulus; doi:10.1016; exchanger; flow; fluid; friction; grooves; heat; heat exchanger; heat transfer; number; pipe; transfer; tube", "summary": "However, up to now, there have been few investigations and applications of longitudinal grooves in relation to heat transfer associated with friction from the annulus of a heat exchanger. The present investigation examined the effects of longitudinal grooves in a double pipe heat exchanger on the characteristics of heat transfer and friction.", "mime": "application/pdf"}, {"id": "ap-5963", "words": "6000", "extension": ".pdf", "flesch": "51", "author": "Castro Silva, Janaina Oliveira; Maia, Cristiana Brasil", "title": "OPTIMIZATION OF A SMALL SOLAR CHIMNEY", "date": "2020", "keywords": "airflow; analysis; chimney; collector; doi:10.1016; efficiency; energy; geometry; height; optimization; parameters; power; radiation; rate; solar; temperature", "summary": "Exergy efficiency and solar chimney efficiency were determined, on an hourly basis, for a one-year period. Keywords: Solar chimney, optimization, conjugate directions, variable metric.", "mime": "application/pdf"}, {"id": "ap-598", "words": "5143", "extension": ".pdf", "flesch": "68", "author": "Audy, M.; \u0160ejnoha, M.", "title": "Effect of Boundary Constraints in the Formulation of the Partition of Unity Method: One-dimensional Setting", "date": "2004", "keywords": "b \ufffd; d \ufffd; h \ufffd; k k; k \ufffd; \ufffd t; \ufffd u; \ufffd \ufffd", "summary": "\ufffdu represents a portion of \ufffd with prescribed displacements u while tractions t are prescribed on \ufffd \ufffd\ufffd \ufffd \ufffd \ufffdt u t d\ufffd \ufffd \ufffd0 . The assumed arrangement of the individual elements in the chain model suggests F F F F Fk k h h\ufffd \ufffd \ufffd \ufffd1 2 1 2 , (21)", "mime": "application/pdf"}, {"id": "ap-5981", "words": "5928", "extension": ".pdf", "flesch": "63", "author": "Schmidt, Jaroslav; Janda, Tom\u00e1\u0161; Zemanov\u00e1, Alena; Zeman, Jan; \u0160ejnoha, Michal", "title": "NEWMARK ALGORITHM FOR DYNAMIC ANALYSIS WITH MAXWELL CHAIN MODEL", "date": "2020", "keywords": "algorithm; equations; glass; maxwell; model; newmark; p=1; section; step; time; variational", "summary": "Top, center, and bottom graphs show trajectories for time steps \u2206t = 1.0 s, \u2206t = 0.5 s, and \u2206t Left: the evolution of internal energy Eint and dissipation Dd, normalized by the work done by external forces Wd for time step \u2206t = 0.5 s. Right: the evolution of numerical dissipation \u2206d, normalized by the work done by external forces Wd. discretize the sample into identical 1,000 hexahedron elements and consider the time step of 0.01 s. The snapshots of the vibrations reveal a similar behaviour to the SDOF example, recall Figure 3, namely the attenuation of the propagating waves by viscous damping.", "mime": "application/pdf"}, {"id": "ap-5987", "words": "5651", "extension": ".pdf", "flesch": "59", "author": "Durd\u00e1n, Milan; Terp\u00e1k, J\u00e1n; Ka\u010dur, J\u00e1n; Laciak, Marek; Flegner, Patrik", "title": "MODELING OF MATERIAL BALANCE FROM THE EXPERIMENTAL UCG", "date": "2020", "keywords": "balance; chemical; coal; coal gasification; experiment; gasification; mass; material; material balance; model; process; syngas; ucg", "summary": "Keywords: Underground coal gasification, material balance, atoms, ex-situ reactors, losses. 5/2020 Modeling of material balance from the experimental UCG account phases of individual substances (i.e., solid, liquid, and gaseous phases).", "mime": "application/pdf"}, {"id": "ap-5994", "words": "5252", "extension": ".pdf", "flesch": "52", "author": "Abdullah, Hikmat N.; Dawood, Zinah O.; Abdelkareem, Ammar E.; Abed, Hadeel S.", "title": "COMPLEXITY REDUCTION OF CYCLOSTATIONARY SENSING TECHNIQUE USING IMPROVED HYBRID SENSING METHOD", "date": "2020", "keywords": "complexity; detection; detector; hybrid; method; performance; sensing; signal; spectrum", "summary": "Non-cooperative scenario Figure 2 shows the performance curves of a number of samples versus the computational complexity ra- tio in cyclostationary of hybrid proposed methods compared with the traditional method. The price we pay for the complexity reduction is a slight loss in Pd as compared with the traditional method, also, it can be seen that although the proposed method using the SDFT hasa greater reduction in the computational complexity than the other proposed methods that use the FFT, it also gives a good detection performance, especially at low values of Eb/N0, since the SDFT has a higher accuracy than the FFT and the performance of other methods becomes the same as the method that uses the SDFT at Eb/N0 equals 6 dB. As shown in the figure, when Eb/N0 equals 0 dB, Pd is decreased by 20% and 10% using proposed methods that use the FFT and SDFT respectively, as compared with the hybrid method in [4] and increased by 30% and 40% respectively, as compared with the energy de- tector.", "mime": "application/pdf"}, {"id": "ap-5998", "words": "3504", "extension": ".pdf", "flesch": "63", "author": "Sahul, Miroslav; Sahul, Martin; Pa\u0161\u00e1k, Matej; Mar\u00f4nek, Milan", "title": "ANALYSIS OF THE PROPERTIES OF AW2099 ALUMINIUM-LITHIUM ALLOY WELDED BY LASER BEAM WITH AW5087 ALUMINIUM-MAGNESIUM FILLER MATERIAL", "date": "2019", "keywords": "alloy; aluminium; doi:10.1016; filler; laser; lithium; material; weld; welding; zone", "summary": "EN AW2099 belongs to the 3rd generation of aluminium lithium alloys. Keywords: Aluminium lithium alloy, laser beam welding, equiaxed zone, microstructure, electron microscopy, mechanical properties.", "mime": "application/pdf"}, {"id": "ap-600", "words": "3692", "extension": ".pdf", "flesch": "58", "author": "Krat\u011bna, J.; Fo\u0159t, I.", "title": "Study of the Discharge Stream from a Standard Rushton turbine impeller", "date": "2004", "keywords": "discharge; flow; impeller; radial; stream; turbine; \ufffd \ufffd", "summary": "\ufffd \ufffd \ufffd\ufffd2 1 2 \ufffd d (17) (8) 3 Results of experiments Experiments were carried out in a flat-bottomed cylindri- cal pilot plant mixing vessel with four baffles at its wall (see Fig. 3) of diameter T \ufffd 0.3 filled with either water (\ufffd \ufffd 1 mPa\ufffds) or with one of two water glycerol solutions of dy- namic viscosity \ufffd \ufffd 3 mPa\ufffds and \ufffd \ufffd 6 mPa\ufffds, respectively.", "mime": "application/pdf"}, {"id": "ap-6003", "words": "4309", "extension": ".pdf", "flesch": "61", "author": "Loskot, Jan; Zubko, Maciej; Janikowski, Zbigniew", "title": "ANALYSES OF WASTE PRODUCTS OBTAINED BY LASER CUTTING OF AW-3103 ALUMINIUM ALLOY", "date": "2020", "keywords": "alloy; aluminium; cutting; figure; laser; laser cutting; material; particles; powder; surface; tube; waste", "summary": "In this research, we analysed waste particles gener- ated during laser cutting of a widely used AW-3103 aluminium alloy. Statistical characteristics of waste powder particles.", "mime": "application/pdf"}, {"id": "ap-602", "words": "3988", "extension": ".pdf", "flesch": "63", "author": "Bro\u017e, J.; Fo\u0159t, I.; Sperling, R.; Jambere, S.; Heiser, M.; Rieger, F.", "title": "Pumping Capacity of Pitched Blade Impellers in a Tall Vessel with a Draught Tube", "date": "2004", "keywords": "draught; draught tube; impeller; number; tube; \ufffd \ufffd", "summary": "The PBT pumping capacity will be calculated from the radial profile of the axial compo- 48 \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ Acta Polytechnica Vol. 44 No. 4/2004 Pumping Capacity of Pitched Blade Impellers in a Tall Vessel with a Draught Tube J. Bro\u017e, I. Fo\u0159t, R. Sperling, S. Jambere, M. Heiser, F. Rieger A study was made of the pumping capacity of pitched blade impellers (two, three, four, five and six blade pitched blade impellers with pitch angles \ufffd \ufffd 35\u00b0 and 45\u00b0) coaxially located in a cylindrical pilot plant vessel with cylindrical draught tube provided with a standard dished bottom. For all the tested pitched blade impellers the impeller power number when \ufffd \ufffd 45\u00b0 exceeds the value of this quantity when pitch angle \ufffd \ufffd 35\u00b0, while the flow rate number when \ufffd \ufffd 35\u00b0 exceeds this quantity when \ufffd \ufffd 45\u00b0.", "mime": "application/pdf"}, {"id": "ap-604", "words": "6523", "extension": ".pdf", "flesch": "66", "author": "Abdelaziz, T. H. S.; Val\u00e1\u0161ek, M.", "title": "Eigenstructure Assignment by State-derivative and Partial Output-derivative Feedback for Linear Time-invariant Control Systems", "date": "2004", "keywords": "b \ufffd; ij \ufffd; j \ufffd; k \ufffd; t \ufffd; \ufffd c; \ufffd rank; \ufffd v; \ufffd \ufffd", "summary": "Finally, the parametric equation to the right generalized eigenvector can be expressed as \ufffd \ufffd \ufffd \ufffd\ufffd \ufffdi n i ij k n ij k ij k ij k ij kI A B I B\ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd, , , ,\ufffd \ufffd \ufffd \ufffd1 v w ij i iji s j q k p 0 1 1 1 \ufffd \ufffd \ufffd \ufffd 0, , , , , , , , , . The right generalized eigenvector can be expressed as \ufffd \ufffd \ufffd \ufffd\ufffd \ufffdi n i ij k n ij k ij k ij k ij kI A B I B\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd, , , ,\ufffd \ufffd \ufffd \ufffd1 v z ij i iji s j q k p 0 1 1 1 \ufffd \ufffd \ufffd \ufffd 0, , , , , , , , , .", "mime": "application/pdf"}, {"id": "ap-6049", "words": "4549", "extension": ".pdf", "flesch": "58", "author": "Kunz, Jan; Bene\u0161, Petr", "title": "VERSATILE CHIRP SINE GENERATOR ON FIXED-POINT FPGA", "date": "2020", "keywords": "chirp; frequency; generation; phase; point; signal; sine; speed", "summary": "Linear chirp sine signal is used, for example, in radars. Implementation of DDS chirp signal generator on FPGA.", "mime": "application/pdf"}, {"id": "ap-6050", "words": "3720", "extension": ".pdf", "flesch": "57", "author": "Krej\u010d\u00ed, Jakub; Bene\u0161, Petr", "title": "A COMPARISON OF TWO MODAL ANALYSIS METHODS: AN IMPACT HAMMER VERSUS LASER VIBROMETRY", "date": "2020", "keywords": "analysis; beam; comparison; excitation; measurement; modal; results; static", "summary": "Firstly, narrow band analogue filters were applied for the evaluation of modal analysis, but then, FFT analysers became more used owing to the evolution of measurement systems. Nowadays, computers have a high computing performance and a model including modal analysis or other parameters can be performed in a short time and it can be compared with a real measurement [4].", "mime": "application/pdf"}, {"id": "ap-6051", "words": "5090", "extension": ".pdf", "flesch": "54", "author": "Kratochv\u00edlov\u00e1, Darina; Cajthaml, Ji\u0159\u00ed", "title": "USING THE AUTOMATIC VECTORISATION METHOD IN GENERATING THE VECTOR ALTIMETRY OF THE HISTORICAL VLTAVA RIVER VALLEY", "date": "2020", "keywords": "arcscan; contour; data; file; lines; map; maps; raster; sheets; vectorisation", "summary": "Examples of errors in base map data. When merging map sheets, only contour lines with same elevation were intercon- nected.", "mime": "application/pdf"}, {"id": "ap-6053", "words": "2829", "extension": ".pdf", "flesch": "70", "author": "K\u016fdelov\u00e1, Tereza; Kroul\u00edkov\u00e1, Tereza; Astrouski, Ilya; Raudensk\u00fd, Miroslav", "title": "THE INFLUENCE OF THE FIBRES ARRANGEMENT ON HEAT TRANSFER AND PRESSURE DROP OF POLYMERIC HOLLOW FIBRE HEAT EXCHANGERS", "date": "2020", "keywords": "exchangers; fibres; heat; pressure; temperature; transfer", "summary": "Keywords: Polymeric hollow fibre, heat exchanger, heat transfer. Polymeric hollow fibre heat exchangers are the new alternative to common metal heat exchangers.", "mime": "application/pdf"}, {"id": "ap-606", "words": "2372", "extension": ".pdf", "flesch": "60", "author": "Matz, V.; Kreidl, M.; \u0160m\u00edd, R.", "title": "Signal-to-Noise Ratio Improvement based on the Discrete Wavelet Transform in Ultrasonic Defectoscopy", "date": "2004", "keywords": "echo; fault; fig; noise; signal; wavelet; \ufffd \ufffd", "summary": "(2) DWT coefficients are usually sampled from the CWT on a dyadic grid, choosing parameters of translation \ufffd \ufffd \ufffdn m2 and scale s m\ufffd2 , it is possible to defined mother wavelet in DWT as: \ufffd \ufffdm n m m mt t n , ( ) \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 1 2 2 2 . An important requirement on ultrasonic signal filtering is zero-time shift, because the position of ultrasonic echoes is essential.", "mime": "application/pdf"}, {"id": "ap-6061", "words": "5463", "extension": ".pdf", "flesch": "67", "author": "Vok\u00e1l, Marek; Drahor\u00e1d, Michal", "title": "SENSITIVITY ANALYSIS OF INPUT PARAMETERS FOR LOAD CARRYING CAPACITY OF MASONRY ARCH BRIDGES", "date": "2020", "keywords": "bridges; coefficient; figure; lcc; load; masonry; parameters; strength; vault", "summary": "85% of Czech masonry vault railway bridges are in a \u201cgood\u201d structural state, 14% are in a \u201cbad\u201d structural state and 1% are in a serious, unsatisfactory structural state. A similar portion of masonry bridges can be found throughout the whole Europe.", "mime": "application/pdf"}, {"id": "ap-6065", "words": "5130", "extension": ".pdf", "flesch": "66", "author": "Dolej\u0161\u00ed, V\u00edt; Kur\u00e1\u017e, Michal; Solin, Pavel", "title": "NUMERICAL SIMULATION OF A SINGLE RING INFILTRATION EXPERIMENT WITH hp-ADAPTIVE SPACE-TIME DISCONTINUOUS GALERKIN METHOD", "date": "2021", "keywords": "boundary; experiment; method; numerical; space; time", "summary": "The stopping criteria and the choice of the time step are controlled in such a way that the errors arising due to the space discretization, time discretization, and iterative solution of nonlinear algebraic systems are balanced. < tr = T we split the time interval I into sub-intervals intervals Im = (tm\u22121, tm], m = 1, . . .", "mime": "application/pdf"}, {"id": "ap-6069", "words": "5869", "extension": ".pdf", "flesch": "58", "author": "Fu\u010d\u00edk, Radek; Solovsk\u00fd, Jakub; Plampin, Michelle R.; Wu, Hao; Miky\u0161ka, Ji\u0159\u00ed; Illangasekare, Tissa H.", "title": "COMPUTATIONAL METHODOLOGY TO ANALYZE THE EFFECT OF MASS TRANSFER RATE ON ATTENUATION OF LEAKED CARBON DIOXIDE IN SHALLOW AQUIFERS", "date": "2021", "keywords": "background; co2; flow; gas; mass; phase; water", "summary": "The average temperatures in the static case and background flow experiments were 37\u25e6C and 26\u25e6C, respectively. The purpose of this present study is to develop a numerical modeling methodology to assess the factors that control inter-phase CO2 mass transfer during migration through heterogeneous 2D porous media systems in the shallow subsurface where CO2 can only exist in the gaseous and dissolved phases.", "mime": "application/pdf"}, {"id": "ap-6074", "words": "5697", "extension": ".pdf", "flesch": "62", "author": "Linkeov\u00e1, Ivana; Zelen\u00fd, V\u00edt", "title": "APPLICATION OF RULED SURFACES IN FREEFORM AND GEAR METROLOGY", "date": "2021", "keywords": "freeform; gear; helix; involute; paraboloid; standard; surface", "summary": "Smart gear measurement standard In gear metrology, precise gear measurement standards of various designs and purposes are developed, man- ufactured and calibrated. Spur (magenta) and helical (cyan) gear included in Smart gear measurement standard.", "mime": "application/pdf"}, {"id": "ap-6075", "words": "8064", "extension": ".pdf", "flesch": "73", "author": "Oberhuber, Tom\u00e1\u0161; Klinkovsk\u00fd, Jakub; Fu\u010d\u00edk, Radek", "title": "TNL: NUMERICAL LIBRARY FOR MODERN PARALLEL ARCHITECTURES", "date": "2021", "keywords": "cores; cpu; eff; gpu; memory; numerical; parallel; solver; speed; time; tnl", "summary": "Nonlin- ear system solvers, eigenvalues computations or ODE system solvers are slightly less common compared to linear systems solvers, nevertheless these algorithms belong to the core of HPC as well. As we mentioned before, efficient precondition- ers for linear systems solvers are extremely important.", "mime": "application/pdf"}, {"id": "ap-608", "words": "7153", "extension": ".pdf", "flesch": "66", "author": "Ba\u017eant, Z. P.; Yu, Q.", "title": "Size Effect in Fracture of Concrete Specimens and Structures: New Problems and Progress", "date": "2004", "keywords": "ba\u017eant; concrete; crack; effect; fig; fracture; size; vol; \ufffd \ufffd", "summary": "They proposed the semi-empirical formula: \ufffd \ufffdn a a \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 0 1 2 1 * , (6) where \ufffd0 \ufffd \ufffdft for small 3PB specimens\u037e a\ufffd * is a certain con- stant\u037e and \ufffdn represents the maximum tensile stress in the ligament based on a linear stress distribution over the liga- ment, \ufffd \ufffd \ufffdn N A\ufffd ( )0 . (13) and solving for \ufffdN, one gets an equation of the form of Ba\u017eant\u2019s classical size effect law (1984): \ufffd \ufffdN D D\ufffd \ufffd \ufffd 0 0 1 21( ) .", "mime": "application/pdf"}, {"id": "ap-6080", "words": "5800", "extension": ".pdf", "flesch": "63", "author": "Sv\u00e1\u010dek, Petr", "title": "NUMERICAL SOLUTION OF FLUID-STRUCTURE INTERACTION PROBLEMS WITH CONSIDERING OF CONTACTS", "date": "2021", "keywords": "boundary; domain; flow; matrix; problem; solution; time; velocity", "summary": "Dt |tn+1 \u2248 (15) 1 JAn+1 3JAn+1u n+1 \u2212 4JAn un + JAn\u22121u n\u22121 2\u2206t or more precisely the time derivative term from (11) is approximated by d dt (\u222b \u2126t \u03c1u \u00b7 zdx ) |tn+1 \u2248M(U, V )\u2212 LM (V ) (16) for U = (u, p) := (un+1, pn+1), V = (z, q) and with M(U, V ) = 3 2\u2206t ( un+1, z ) Thus, the time discretized weak formulation reads: Find U = (u, p) :", "mime": "application/pdf"}, {"id": "ap-6081", "words": "11124", "extension": ".pdf", "flesch": "58", "author": "V\u00edtek, Old\u0159ich; Macek, Jan; Dole\u010dek, V\u00edt; Syrov\u00e1tka, Zbyn\u011bk; Pavlovic, Zoran; Priesching, Peter; Tap, Ferry", "title": "APPLICATION OF ADVANCED COMBUSTION MODELS IN INTERNAL COMBUSTION ENGINES BASED ON 3-D CFD LES APPROACH", "date": "2021", "keywords": "case; cfd; chamber; chemistry; combustion; cylinder; data; engine; figure; flame; ice; les; model; pre; pressure; results; rohr; table; time; turbulence", "summary": "Comparison of 1st cycle simulation data related to medium-lean conditions (the Case A2 in Table 3) while comparing different combustion models (no label corresponds to ECFM, label \u2018TABKIN\u2019 represents FGM combustion model while considering different chemical mechanisms) \u2013 top left subfigure corresponds to in-cylinder pressure, top right represents pre-chamber pressure, bottom left shows in-cylinder ROHR, bottom right subfigure presents in-cylinder HR. issues) is in progress. Concerning combustion models, different ap- proaches were applied depending on ICE type.", "mime": "application/pdf"}, {"id": "ap-6083", "words": "8690", "extension": ".pdf", "flesch": "57", "author": "P\u00e1t\u00fd, Marek; Halama, Jan", "title": "ON THE USE OF A FLUX-SPLITTING SCHEME IN THE NUMERICAL FLUTTER ANALYSIS OF A LOW-PRESSURE TURBINE STAGE", "date": "2021", "keywords": "accuracy; aerodynamic; blade; cell; damping; domain; face; flow; flutter; gradient; limiter; method; numerical; order; pressure; reconstruction; results; turbine", "summary": "Introduction The interaction of flow and structure leading to vi- brations has long been recognised as one of the most essential problems faced by turbine blade designers. The mode of blade oscillation is a harmonic translation in a direction of 63\u00b0 from the 139 Marek P\u00e1t\u00fd, Jan Halama Acta Polytechnica Figure 3.", "mime": "application/pdf"}, {"id": "ap-6098", "words": "2935", "extension": ".pdf", "flesch": "60", "author": "Suder, Ji\u0159\u00ed; Vocetka, Michal; Kot, Tom\u00e1\u0161; Fojt\u00edk, Franti\u0161ek; Fusek, Martin", "title": "TESTING OF GLUED JOINTS ON PLASTIC PARTS MANUFACTURED USING FFF TECHNOLOGY", "date": "2020", "keywords": "adhesive; force; joints; material; orientation; samples; strength", "summary": "Tensile failure strength and separation angle of FDM 3D printing PLA material: Experimental and theoretical analyses. One of the possibilities of experimental determination of the strength of plastic samples produced on a 3D printer is through a tensile test.", "mime": "application/pdf"}, {"id": "ap-6099", "words": "3485", "extension": ".pdf", "flesch": "46", "author": "Vocetka, Michal; Suder, Ji\u0159\u00ed; Huczala, Daniel", "title": "THE USE OF THE TWO-HANDED COLLABORATIVE ROBOT IN NON-COLLABORATIVE APPLICATION", "date": "2020", "keywords": "applications; case; collaborative; human; load; production; robot; solution; yumi", "summary": "Keywords: Collaborative robot, YuMi, industrial robot, industrial automation, semi-collaborativ. A pair of IRB120. 155 M. Vocetka, J. Suder, D. Huczala Acta Polytechnica YuMi would probably not be able to withstand the comparison with industrial robots.", "mime": "application/pdf"}, {"id": "ap-610", "words": "16498", "extension": ".pdf", "flesch": "53", "author": "Jir\u00e1sek, M.", "title": "Nonlocal Theories in Continuum Mechanics", "date": "2004", "keywords": "equation \ufffd; function \ufffd; l \ufffd; model; r \ufffd; size; strain \ufffd; stress \ufffd; wave; \ufffd /a; \ufffd c; \ufffd d; \ufffd e; \ufffd f; \ufffd g; \ufffd k; \ufffd p; \ufffd u; \ufffd \ufffd", "summary": "The dispersion equation corresponding to (24), \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd\ufffd \ufffd\ufffd \ufffd2 2 2 2 2 2 0Ek l Ek k( ) (25) yields the phase velocity c k c k l k l p \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 0 2 2 2 2 1 1 , (26) where c E0 \ufffd \ufffd, as usual. Classical plasticity with linear isotropic hardening is de- scribed by the basic equations \ufffd \ufffd \ufffd\ufffd \ufffdG p( ) (55) \ufffd \ufffd sgn( )\ufffd \ufffd \ufffdp \ufffd (56) \ufffd , ( , ) , \ufffd ( , )\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd0 0 0f f (57) where \ufffdp is the plastic strain and \ufffd is the cumulative plastic strain.", "mime": "application/pdf"}, {"id": "ap-6101", "words": "2268", "extension": ".pdf", "flesch": "56", "author": "Kravcov, Alexander; Franek, Ond\u0159ej; Morozov, Nikolaj; Kucewicz, Micha\u0142; Tomaszewski, Micha\u0142; Svoboda, Pavel; Baranowski, Pawe\u0142", "title": "LASER ULTRASONIC MEASUREMENT OF MECHANICAL DECAY IN LIMESTONE CAUSED BY FREEZE-THAW CYCLES", "date": "2020", "keywords": "cycles; laser; limestone; porosity; pulse; samples", "summary": "This paper describes a study of local physical and mechanical characteristics after freeze-thaw cycles of limestone samples by laser ultrasonic spectroscopy, which is able to define local elastic modules of materi- als. 410 https://doi.org/10.14311/AP.2020.60.0410 https://ojs.cvut.cz/ojs/index.php/ap vol. Poisson\u2019s ratio map of limestone sample.", "mime": "application/pdf"}, {"id": "ap-6103", "words": "4332", "extension": ".pdf", "flesch": "65", "author": "Maharaj, Adhir; Andriopoulos, Kostis; Leach, Peter", "title": "PROPERTIES OF A DIFFERENTIAL SEQUENCE BASED UPON THE KUMMER-SCHWARZ EQUATION", "date": "2020", "keywords": "equation; sequence", "summary": "As our pri- mary interest is in differential equations integrable in the sense of Poincar\u00e9 (iewith solutions which are analytically away from isolated polelike singularities) we are disappointed with the results. However, it has been shown [6, 7] that the operator, D + y, generates a sequence of differential equations based upon the Riccati equation, which has very satisfying properties in terms of their singularity characteristics and algebras.", "mime": "application/pdf"}, {"id": "ap-6104", "words": "3830", "extension": ".pdf", "flesch": "59", "author": "Louda, Petr; P\u0159\u00edhoda, Jarom\u00edr; \u0160afa\u0159\u00edk, Pavel", "title": "INVESTIGATION OF COMPRESSIBLE FLOW THROUGH A TURBINE BLADE CASCADE FOR VARIOUS TRANSONIC FLOW REGIMES", "date": "2021", "keywords": "blade; blade cascade; cascade; design; flow; model; operation; transition; turbine", "summary": "Prediction of boundary layer transition in transonic blade cascade with sudden change of surface curvature. Advanced mathematical models with two different models of the bypass transition to turbulence were applied for the simulation of different regimes of transonic flows as well as with attached and separated flows.", "mime": "application/pdf"}, {"id": "ap-6106", "words": "4811", "extension": ".pdf", "flesch": "66", "author": "Fridrich, David; Liska, Richard; Tarant, Ivan; V\u00e1chal, Pavel; Wendroff, Burton", "title": "CELL-CENTERED LAGRANGIAN LAX-WENDROFF HLL HYBRID SCHEME ON UNSTRUCTURED MESHES", "date": "2021", "keywords": "cell; density; figure; mesh; meshes; noh; problem; triangular", "summary": "Convergence of scatter plots of density for Noh problem on regular triangular mesh with \u03c4 = 2. Figure 10. Density and mesh for Sedov problem on regular triangular mesh of 10108 cells with \u03c4 = 2. plementation, all of the initial energy is stored is one regular hexahedral cell centered at (0, 0) in the case of the honeycomb and general polygonal meshes.", "mime": "application/pdf"}, {"id": "ap-6119", "words": "3749", "extension": ".pdf", "flesch": "68", "author": "Kroul\u00edkov\u00e1, Tereza; Astrouski, Ilya; Raudensk\u00fd, Miroslav", "title": "CHAOTISED POLYMERIC HOLLOW FIBRE BUNDLE AS A CROSSFLOW HEAT EXCHANGER IN AIR-WATER APPLICATION", "date": "2020", "keywords": "air; coefficient; fibre; flow; heat; heat transfer; modules; transfer; water", "summary": "Intensification of heat transfer of polymeric hollow fiber heat exchangers by chaotisation. That study also mentions the significant influence of the diameter of the polymeric hollow fibre on heat transfer coefficients on both inner and outer surfaces of the fibre.", "mime": "application/pdf"}, {"id": "ap-612", "words": "3906", "extension": ".pdf", "flesch": "56", "author": "Askes, H.; Simone, A.; Sluys, L. J.", "title": "Modelling of Size Effect with Regularised Continua", "date": "2004", "keywords": "beams; damage; effect; notch; size; vol; \ufffd \ufffd", "summary": "The stress-strain relation is written as \ufffd \ufffd\ufffd \ufffd( )1 \ufffd C (1) where \ufffd and \ufffd contain the components of stresses and strains, C contains the elastic moduli and \ufffd is a scalar damage vari- able. The local equivalent strain \ufffdeq defined in Equation (2) is translated into its nonlocal counterpart \ufffdeq via a Helmholtz-type relation as \ufffd \ufffd \ufffdeq eq eq\ufffd \ufffd \ufffd 1 2 2 2l , (3) where l is a material length parameter that represents the underlying microstructure.", "mime": "application/pdf"}, {"id": "ap-6120", "words": "6225", "extension": ".pdf", "flesch": "64", "author": "Shukla, Rajesh Prasad", "title": "PILE SETTLEMENT INDUCED FROM SOIL MOVEMENT DUE TO BREAKDOWN OF RETAINING WALL", "date": "2020", "keywords": "effect; embedment; group; height; increase; movement; piles; retaining; settlement; soil; spacing; wall", "summary": "Pile group settlement reduces with the increase in spacing and the number of piles in longer piles. It leads to an increase in the magnitude of piles settlement.", "mime": "application/pdf"}, {"id": "ap-6125", "words": "5019", "extension": ".pdf", "flesch": "67", "author": "Segeth, Karel", "title": "MULTIVARIATE INTERPOLATION USING POLYHARMONIC SPLINES", "date": "2021", "keywords": "basis; function; interpolant; interpolation; polyharmonic; r(x", "summary": "The conclusion of the present paper is more advanced, it shows that for interpola- tion it is possible to use polyharmonic functions of different orders m that minimize different norms of the interpolant u, i.e. the L2 norm of the (m + l)th derivative of u for any l positive. They are often used as basis functions for interpolation as well as approximation.", "mime": "application/pdf"}, {"id": "ap-6132", "words": "4939", "extension": ".pdf", "flesch": "60", "author": "Rustam; Gunawan, Agus Yodi; Kresnowati, Made Tri Ari Penia", "title": "ARTIFICIAL NEURAL NETWORK APPROACH FOR THE IDENTIFICATION OF CLOVE BUDS ORIGIN BASED ON METABOLITES COMPOSITION", "date": "2020", "keywords": "backpropagation; buds; clove; data; layer; network; neural; neurons; sets; testing; training", "summary": "Therefore, this study implements artificial neural networks as pat- tern recognition in clove buds data sets. Materials This study uses clove buds data sets obtained from Kresnowati et al.", "mime": "application/pdf"}, {"id": "ap-614", "words": "5003", "extension": ".pdf", "flesch": "65", "author": "Proft, K. De; Wilde, W. P. De", "title": "A Discontinuous Model to Study Fracture of Brittle Materials", "date": "2004", "keywords": "crack; discontinuity; element; h \ufffd; \ufffd d; \ufffd e; \ufffd t; \ufffd \ufffd", "summary": "B N tT T S S e \ufffdd d e\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd (11a) H\ufffd \ufffd \ufffd \ufffd \ufffd i i T T i iTB N\ufffdd d\ufffd \ufffd\ufffd \ufffd \ufffd0 (i \ufffd 1, \u2026 m). d dW T Tcr n n pl t t pl\ufffd \ufffd\ufffd \ufffd (20a) and W Wcr cr t \ufffd \ufffdd 0 (20b) where !\ufffd \ufffd \ufffd \ufffdn pl t pl, are the normal and tangential com- ponent of the plastic separation vector.", "mime": "application/pdf"}, {"id": "ap-6142", "words": "7920", "extension": ".pdf", "flesch": "71", "author": "Kra\u010dmar, Stanislav; Neustupa, Ji\u0159\u00ed", "title": "MODELING OF FLOWS THROUGH A CHANNEL BY THE NAVIER\u2013STOKES VARIATIONAL INEQUALITIES", "date": "2021", "keywords": "v\u2217ext; \u222b t\u2217", "summary": "Substituting this to the first term in (16), we obtain\u222b T 0 \u2329 \u2202tw,w \u2212 v \u232a dt = \u222b t\u2217 0 \u2329 \u2202t(v\u2217ext + \u03b1u), (\u03b1\u2212 1)u \u232a dt + \u222b t\u2217+\u03b4 t\u2217 \u2329 \u2202t(v\u2217ext + \u03b7u), (\u03b7 \u2212 1)u \u232a dt = (\u03b1\u2212 1) \u222b t\u2217 0 \u2329 \u2202tv \u2217 ext, u \u232a dt + \u03b1(\u03b1\u2212 1) \u222b t\u2217 0 \u2329 \u2202tu, u \u232a dt + \u222b t\u2217+\u03b4 t\u2217 \u2329 \u2202tv \u2217 ext, (\u03b7 \u2212 1)u \u232a dt + \u222b t\u2217+\u03b4 t\u2217 \u2329 \u2202t(\u03b7u), \u03b7u \u232a dt\u2212 \u222b t\u2217+\u03b4 t\u2217 \u2329 \u03b7\u0307u, u \u232a dt \u2212 \u222b t\u2217+\u03b4 t\u2217 \u2329 \u03b7 \u2202tu, u \u232a dt = \u222b t\u2217+\u03b4 0 (\u03b7 \u2212 1) \u2329 \u2202tv \u2217 ext, u \u232a dt + \u03b1(\u03b1\u2212 1) 2 ( \u2016u(t\u2217)\u201622 \u2212 \u2016u(0)\u201622 ) + 1 2 ( \u2016\u03b7(t\u2217 + \u03b4)u(t\u2217 + Considering \u03b4 \u2192 0+, we get\u222b T 0 \u2329 \u2202tw,w \u2212 v \u232a dt = (\u03b1\u2212 1) \u222b t\u2217 0 \u3008\u2202tv\u2217ext, u\u3009 dt + \u03b12 \u2212 1 2 \u2016u(t\u2217)\u201622 \u2212 \u03b1(\u03b1\u2212 1) 2 \u2016u(0\u201622.", "mime": "application/pdf"}, {"id": "ap-6149", "words": "3463", "extension": ".pdf", "flesch": "60", "author": "Neustupa, Tom\u00e1\u0161; Winter, Ond\u0159ej", "title": "ON THE SENSITIVITY OF THE NONLINEAR TERM IN THE OUTFLOW BOUNDARY CONDITION", "date": "2021", "keywords": "boundary; condition; flow", "summary": "Figure 4 shows details of the contours of u for Re = 10 for \u03be = \u22120.6, 0, 0.6. One can see that \u03be = 0 and \u03be = \u22120.6 gives almost the same results, but there is a significant difference (shift) between the contours obtained with \u03be = 0 and \u03be = 0.6.", "mime": "application/pdf"}, {"id": "ap-6151", "words": "10256", "extension": ".pdf", "flesch": "57", "author": "Bastl, Bohum\u00edr; Brandner, Marek; Egermaier, Ji\u0159\u00ed; Horn\u00edkov\u00e1, Hana; Mich\u00e1lkov\u00e1, Krist\u00fdna; Turnerov\u00e1, Eva", "title": "NUMERICAL SIMULATION OF LID-DRIVEN CAVITY FLOW BY ISOGEOMETRIC ANALYSIS", "date": "2021", "keywords": "analysis; basis; cavity; continuity; discretization; doi:10.1016; domain; element; flow; functions; isogeometric; methods; problem; results; spline; velocity", "summary": "In this paper, we present numerical results obtained by an in-house incompressible fluid flow solver based on isogeometric analysis (IgA) for the standard benchmark problem for incompressible fluid flow simulation \u2013 lid-driven cavity flow. Keywords: Isogeometric analysis, fluid flow simulation, B-splines, Navier-Stokes equations.", "mime": "application/pdf"}, {"id": "ap-616", "words": "2164", "extension": ".pdf", "flesch": "59", "author": "Krysl, P.", "title": "Explicit Time Integrators for Nonlinear Dynamics Derived from the Midpoint Rule", "date": "2004", "keywords": "t t; \ufffd d; \ufffd skew; \ufffd t; \ufffd \ufffd", "summary": "The initial value problem may be written in the convected description (body frame) as \ufffd \ufffd\ufffd , ( )\ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd\ufffdskew The equation of motion is written in the spatial frame as \ufffd\ufffd \ufffd RT, where \ufffd\ufffd is the rate of the spatial angular momen- tum, and consequently the equation of motion may be written in integral form as \ufffd \ufffd\ufffd \ufffd \ufffd( ) exp [ ] ( ) ( ) ( ) ( )t t tT t t \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffdskew d0 0 R R T\ufffd \ufffd \ufffd \ufffd where \ufffd \ufffdexp [ ] ( ) ( )\ufffd \ufffdskew \ufffd R RT t t0 is the incremental rota- tion through vector \ufffd.", "mime": "application/pdf"}, {"id": "ap-618", "words": "3757", "extension": ".pdf", "flesch": "45", "author": "Patz\u00e1k, B.; Bittnar, Z.", "title": "OOFEM \u2013 An Object Oriented Framework for Finite Element Analysis", "date": "2004", "keywords": "analysis; class; classes; element; finite; material; object; problem; vol", "summary": "A typical example is stiffness matrix computation, which can be done already at the abstract level, provided that methods for computing the geometrical matrix and material stiffness are declared in an interface specifica- tion \u2013 they are only declared as abstract (virtual), and imple- mentation is left to derived classes representing particular fi- nite elements. Derived classes typically represent a finite element node or an element side, possess- ing some DOFs.", "mime": "application/pdf"}, {"id": "ap-6191", "words": "2603", "extension": ".pdf", "flesch": "50", "author": "Trunda, Vlastislav; Hilar, Matou\u0161", "title": "NATM TUNNELS \u2013 CONSIDERATION OF THE PARTLY DAMAGED PRIMARY LINING IMPACT FOR THE SECONDARY LINING EVALUATION", "date": "2020", "keywords": "concrete; degradation; ground; lining; parameters; primary; tunnel", "summary": "Keywords: NATM, primary lining, numerical calculations, durability, lifetime. Concrete degradation NATM assumes a direct contact of primary lining generated from sprayed concrete with the surrounding ground.", "mime": "application/pdf"}, {"id": "ap-620", "words": "4664", "extension": ".pdf", "flesch": "52", "author": "Rypl, D.; Bittnar, Z.", "title": "Triangulation of 3D Surfaces Recovered from STL Grids", "date": "2004", "keywords": "bg edge; bg nodes; limit; stl; surface; surface bg", "summary": "An important class of 3D surfaces is the group of surfaces described by the stereolithography (STL) file format. This format approximates 3D surfaces of a solid model with ori- ented triangles (facets) of different size and shape (aspect ratio) in order to achieve a smooth enough representation suitable for industrial processing of 3D parts using stereo- lithography machines.", "mime": "application/pdf"}, {"id": "ap-622", "words": "4548", "extension": ".pdf", "flesch": "59", "author": "Krej\u010d\u00ed, T.", "title": "Solution of Nonlinear Coupled Heat and Moisture Transport Using Finite Element Method", "date": "2004", "keywords": "c \ufffd; g g; m \ufffd; p \ufffd; w \ufffd; \ufffd d; \ufffd g; \ufffd gw; \ufffd k; \ufffd t; \ufffd u; \ufffd \ufffd", "summary": "(36) is based on expressions for unknown values collected in vector r at time n \ufffd 1 r r vn n nt\ufffd \ufffd\ufffd \ufffd1 \ufffd \ufffd (37) where the vector vn\ufffd\ufffd has the form v v vn n n\ufffd \ufffd\ufffd \ufffd \ufffd\ufffd \ufffd \ufffd( )1 1. (38) Eq. (36) is expressed in time n \ufffd 1 and with the help of the previously defined vectors we can find ( ) ( ( ) )C K K\ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd\ufffd \ufffd\ufffd \ufffdt tn n n nv F r v1 1 1 . (39)", "mime": "application/pdf"}, {"id": "ap-6223", "words": "5714", "extension": ".pdf", "flesch": "56", "author": "Havl\u00edk, Jan; Dlouh\u00fd, Tom\u00e1\u0161; Krempask\u00fd, Jakub", "title": "THE CONDENSATION OF WATER VAPOUR IN A MIXTURE CONTAINING A HIGH CONCENTRATION OF NON-CONDENSABLE GAS IN A VERTICAL TUBE", "date": "2020", "keywords": "condensation; condensation htc; heat; htc; mixture; steam; steam condensation; temperature; transfer; tube; water", "summary": "Numerical simulation of air\u2013steam mixture condensation flows in a vertical tube. Effect of an interfacial shear stress on steam condensation in the presence of a noncondensable gas in a vertical tube.", "mime": "application/pdf"}, {"id": "ap-624", "words": "2808", "extension": ".pdf", "flesch": "72", "author": "Fajman, P.", "title": "Membrane Triangles with Drilling Degrees of Freedom", "date": "2004", "keywords": "element; fig; \ufffd \ufffd", "summary": "Components of the engineering strain \ufffd \ufffd { , , }\ufffd \ufffd \ufffdx y xy T are obtained applying standard transformation as \ufffd \ufffd \ufffd \ufffd \ufffdij ij ij ij ij\ufffd \ufffd{cos , sin , sin cos }2 2 \ufffd, and in matrix notation \ufffd \ufffd \ufffd \ufffd * *\ufffd \ufffd \ufffd \ufffd\ufffdA A 1 . 2: Extension from pure rotation \ufffd1 \ufffd 1 \ufffd \ufffd 1 1 21 21 1 13 13 1 21 2 1 2 21 u r s l L L ij ij ij i ( , ) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdn t n t n t j ijl L L\ufffd \ufffd1 13 3 1 2 13n t , (3) where i \ufffd 2, 3, 1 and j \ufffd 1, 2, 3, and { } { , } {cos , sin }n ij xij yij nij nijn n\ufffd \ufffd \ufffd \ufffd is the outward unit normal vector of the element side ij, { } { , } {cos , sin }t ij xij yij nij nijt t\ufffd \ufffd \ufffd \ufffd is the unit vector of the element side ij (Fig. 4).", "mime": "application/pdf"}, {"id": "ap-626", "words": "4430", "extension": ".pdf", "flesch": "58", "author": "Tes\u00e1rek, P.; Drchalov\u00e1, J.; Kol\u00edsko, J.; Rovnan\u00edkov\u00e1, P.; \u010cern\u00fd, R.", "title": "Mechanical, Hygric and Thermal Properties of Flue Gas Desulfurization Gypsum", "date": "2004", "keywords": "cup; czech; fgd; gypsum; moisture; properties; strength; vapor; water", "summary": "[m], S the specimen surface being in contact with the water vapor [m2], \ufffd the period of time corre- sponding to the transport of mass of water vapor \ufffdm [s], \ufffdpp the difference between the partial water vapor pressure in the air below and above the specimen [Pa], R the universal gas constant [J mol\ufffd1 K\ufffd1], M the molar mass of water Flue gas desulfurization of one power station block creates up to 20 t of FGD gypsum per hour.", "mime": "application/pdf"}, {"id": "ap-628", "words": "1131", "extension": ".pdf", "flesch": "50", "author": "Dole\u017eel, T.; Drd\u00e1ck\u00fd, M.; Konvalinka, P.; Kopeck\u00fd, L.", "title": "Experimental Analysis of Sandstone and Travertine", "date": "2004", "keywords": "fig; sandstone; travertine", "summary": "90 \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ Acta Polytechnica Vol. 44 No. 5\u20136/2004 Fig. 3: EDAX point analysis of the chlorite group minerals in the cement matrix of the rocks. Keywords: sandstone, travertine, EDAX point analysis, microscopic analysis, stress-strain diagram in compression, modulus of elasticity.", "mime": "application/pdf"}, {"id": "ap-6284", "words": "5395", "extension": ".pdf", "flesch": "78", "author": "Deuring, Paul; Kra\u010dmar, Stanislav; Ne\u010dasov\u00e1, \u0160\u00e1rka", "title": "NOTE ON THE PROBLEM OF MOTION OF VISCOUS FLUID AROUND A ROTATING AND TRANSLATING RIGID BODY", "date": "2021", "keywords": "theorem", "summary": "Let S > 0 with \u2126c \u2282 BS , R \u2208 [2S,\u221e), F \u2208 L6/5(\u2126R)3, b \u2208 H1/2(\u2202\u2126)3. 1\u2264k\u22643 for x \u2208 \u2202BR, R \u2208 (0,\u221e) with D \u2282 BR, u \u2208W 2, 6/5(\u2126R)3, \u03c0 \u2208W 1, 6/5(\u2126R).", "mime": "application/pdf"}, {"id": "ap-6289", "words": "4653", "extension": ".pdf", "flesch": "49", "author": "I\u017evolt, Libor; Dobe\u0161, Peter; Me\u010d\u00e1r, Martin", "title": "TESTING THE SUITABILITY OF THE EXTRUDED POLYSTYRENE (STYRODUR) APPLICATION IN THE TRACK SUBSTRUCTURE", "date": "2020", "keywords": "ballast; deformation; deformation resistance; layers; sub; subgrade; subgrade surface; surface; xps", "summary": "8 shows the dependence of the thickness of the crushed aggregate sub-ballast layer on the required value of the static deformation modulus Esi of the sub-ballast upper surface (Esbl) for the standard struc- ture of sub-ballast layers (sub-ballast layer of crushed aggregate only) and higher deformation resistance of the subgrade surface E0 =approx. Placing the XPS at the bottom of sub-ballast layers has several drawbacks, namely: \u2022 it must withstand significant traffic loads, \u2022 it is worn due to a considerable contact stress with the ballast bed material, \u2022 the track substructure may freeze from the side, especially in the case of a railway line in the em- bankment.", "mime": "application/pdf"}, {"id": "ap-630", "words": "2376", "extension": ".pdf", "flesch": "71", "author": "\u0158e\u0159icha, P.", "title": "Mohr-Coulomb Failure Condition and the Direct Shear Test Revisited", "date": "2004", "keywords": "coulomb; plane; tan \ufffd; \ufffd z; \ufffd \ufffd", "summary": "The nor- mal and tangential traction components on the plane are \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffdn n n n\ufffd \ufffd\ufffd 2 . \ufffd \ufffd\ufffd \ufffd \ufffd0 5 266 , c \ufffd 1 in the rendulic plane \ufffd \ufffd1 2\ufffd .", "mime": "application/pdf"}, {"id": "ap-6304", "words": "6055", "extension": ".pdf", "flesch": "59", "author": "Bodn\u00e1r, Tom\u00e1\u0161; Frauni\u00e9, Philippe; Kozel, Karel", "title": "MODIFIED EQUATION FOR A CLASS OF EXPLICIT AND IMPLICIT SCHEMES SOLVING ONE-DIMENSIONAL ADVECTION PROBLEM", "date": "2021", "keywords": "advection; equation; numerical; schemes; solution", "summary": "7. Remark on applications Based on a detailed knowledge of the diffu- sive/dispersive behavior of numerical schemes, suit- able strategy can be chosen to improve their properties, namely the stability and resolution. This led to a discussion concerning the diffusive and dispersive properties of numerical schemes.", "mime": "application/pdf"}, {"id": "ap-632", "words": "4247", "extension": ".pdf", "flesch": "65", "author": "Kukl\u00edk, P.; Kop\u00e1\u010dkov\u00e1, M.", "title": "Efficient Analytical Model for Calculation of the Influence Zone inside the Subsoil below Foundations Slabs", "date": "2004", "keywords": "influence; stress; \ufffd z; \ufffd \ufffd", "summary": "h Hz w w1 2\ufffd \ufffd \ufffd \ufffd( ) ( )\ufffd \ufffd \ufffd . Conse- quently, only the odd terms, j n\ufffd \ufffd2 1, n \ufffd0 1 2, , ,\ufffd, in series (1) are considered.", "mime": "application/pdf"}, {"id": "ap-634", "words": "2164", "extension": ".pdf", "flesch": "45", "author": "Tepl\u00fd, B.; Rovnan\u00edk, P.; Ker\u0161ner, Z.; Rovnan\u00edkov\u00e1, P.", "title": "How Reliable is the Durability of RC Structures?", "date": "2004", "keywords": "carbonation; concrete; life; reliability; service; value", "summary": "RC_LifeTime offers the following options: Service Life Assessment \u2013 a statistical evaluation of service life, where optionally the target value of reliability index \ufffd may be an additional input value and then the corresponding service life is the output value Concrete Cover Assessment \u2013 a statistical evaluation of concrete cover value for the target service life, where optionally the required concrete cover value may be input in this case and the relevant reliability index \ufffd describes the reliability of reinforcement depassivation. Optionally, required concrete cover value may be input and the relevant reliability index \ufffd is then an output value (describing the reliability of reinforcement depassivation).", "mime": "application/pdf"}, {"id": "ap-6340", "words": "4116", "extension": ".pdf", "flesch": "61", "author": "M\u00e1ra, Michal; Sovj\u00e1k, Radoslav; Forn\u016fsek, Jind\u0159ich", "title": "USING TEXTILE ARAMID FABRICS TO INCREASE THE BALLISTIC RESISTANCE OF ULTRA-HIGH-PERFORMANCE STEEL-FIBRE REINFORCED CONCRETE", "date": "2020", "keywords": "aramid; concrete; fabrics; impact; projectile; resistance; sfrc; steel; textile; uhp", "summary": "The Ultra-High-Performance Steel-Fibre-Reinforced Concrete with dispersing steel fibres seems to be one of the highly promising materials, which can be used in these cases One of the future challenges in terms of increasing the ballistic resistance would be aimed towards the targeted orientation of steel fibres in the cement matrix where it is possible to provide the requested position and direction of fibres, solving the main problem of the design.", "mime": "application/pdf"}, {"id": "ap-6343", "words": "2798", "extension": ".pdf", "flesch": "57", "author": "Kravcov, Alexander; Kosturek, Robert; \u015anie\u017cek, Lucjan; Kluczy\u0144ski, Janusz; Franek, Ond\u0159ej; Morozov, Nikolaj; Maciejewski, Pawel", "title": "THE INFLUENCE OF FRICTION STIR WELDED PROCESS PARAMETERS OF AA2519-T62 ON JOINT QUALITY DEFINED BY NON-DESTRUCTIVE LASER AMPLIFIED ULTRASONIC METHOD AND BY MICROSTRUCTURE ANALYSIS", "date": "2020", "keywords": "friction; joint; materials; microstructure; samples; stir; tool; welding; zone", "summary": "The influence of friction stir welded process parameters. . . The influence of friction stir welded process parameters. . .", "mime": "application/pdf"}, {"id": "ap-636", "words": "4248", "extension": ".pdf", "flesch": "52", "author": "Nov\u00e1k, D.; Lehk\u00fd, D.", "title": "Neural Network Based Identification of Material Model Parameters to Capture Experimental Load-deflection Curve", "date": "2004", "keywords": "deflection; layer; load; material; model; network; parameters; \ufffd \ufffd", "summary": "The aim of this paper is to present a new approach for identifying material model parameters. Once the network is trained it represents an approx- imation which can be utilized in a reverse way: for a given experimental load-deflection curve to provide the best possi- ble set of material model parameters.", "mime": "application/pdf"}, {"id": "ap-6362", "words": "4552", "extension": ".pdf", "flesch": "57", "author": "Askarova, Aliya; \u0160afa\u0159\u00edk, Pavel; Nugymanova, Aizhan; Bolegenova, Saltanat; Maximov, Valeriy; Bolegenova, Symbat", "title": "MINIMIZATION OF TOXIC EMISSIONS DURING BURNING LOW-GRADE FUEL AT KAZAKHSTAN THERMAL POWER PLANT", "date": "2020", "keywords": "air; boiler; chamber; combustion; injectors; ofa", "summary": "Computational method for investigation of solid fuel combustion in combustion chambers of a heat power plant. Computational modeling of heat and mass transfer processes in combustion chamber at power plant of kazakhstan.", "mime": "application/pdf"}, {"id": "ap-638", "words": "3167", "extension": ".pdf", "flesch": "56", "author": "\u0160temberk, P.; Kruis, J.", "title": "Fuzzy Dynamic Analysis of a 2D Frame", "date": "2004", "keywords": "analysis; data; function; numbers; response; \ufffd \ufffd", "summary": "( ).k k k kb b b\ufffd \ufffd \ufffd\ufffd \ufffd \ufffd (6) The first five mode shapes are shown in Figs. The intervals defined for a specific value of the membership function, e.g. \ufffd \ufffd 0.7, represent the so-called \ufffd-cuts.", "mime": "application/pdf"}, {"id": "ap-640", "words": "4419", "extension": ".pdf", "flesch": "64", "author": "K\u0159\u00edstek, V.", "title": "A Shear Lag Analysis for Composite Box Girders with Deformable Connectors", "date": "2004", "keywords": "c j; j j; s j; y \ufffd; \ufffd c; \ufffd j; \ufffd \ufffd", "summary": "Thus, assuming the origin of the traverse co-ordinate y to be taken at the mid-width of the flange, i. e. at the axis of symmetry, then, because of the symmetry C Cj j3 4 0, ,\ufffd \ufffd (32) so that from equations (28) and (30), the distributions across the flange width of the normal forces in the steel flange and in the concrete layer are governed by: s j j j j jN y C P y C P y( ) ( ) ( ), , , ,\ufffd \ufffd1 1 2 2 (33) \ufffdc j j j j j j j j j j N y c C r P y s x c c x c c u x n t E \ufffd \ufffd \ufffd \ufffd \ufffd , (4) s y s s x s s x s s n t E \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd , (5)", "mime": "application/pdf"}, {"id": "ap-642", "words": "4821", "extension": ".pdf", "flesch": "61", "author": "Wald, F.; Studeck\u00e1, P.; Kroupa, L.", "title": "Temperature of Steel Columns under Natural Fire", "date": "2004", "keywords": "column; compartment; fig; fire; m \ufffd; min; steel; temperature; \ufffd \ufffd", "summary": "The accurate and simple step-by-step calculation proce- dure is based on the principle that the heat entering the steel over the exposed surface area in a small time step \ufffd t (taken as 30 seconds maximum) is equal to the heat required to raise the temperature of the steel by \ufffda,t (at time t) assuming that the steel section is a lumped mass at uniform temperature, so that \ufffd , ,\ufffd\ufffd \ufffdq F t c Va a t a t\ufffd \ufffd\ufffd \ufffd , (1) where \ufffda is the unit mass of steel, ca,t is the temperature de- pendent specific heat of steel, V is the volume of the member per unit length, and \ufffd\ufffd\ufffdq is the heat transfer at the surface, given by \ufffd ( ) ( ), , , ,\ufffd\ufffd \ufffd \ufffd \ufffd \ufffdq hc g t a t g t a t\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd4 4 , (2) where hc is the convective heat transfer coefficient, \ufffd is the Stefan-Bolzman constant (56.7 10\ufffd12 kW m\ufffd2 K\ufffd4), \ufffd is the resultant emissivity, and \ufffd\ufffd g t, is the increase of the ambient gas temperature during the time interval \ufffd t. Eqs (1) and (3) may be rearranged to give \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffda t m a a c g t a t g t a t A V c h t, , , , ,( ) ( )\ufffd \ufffd \ufffd \ufffd4 4 , (3) where Am/V is the section factor for unprotected steel mem- bers, Am is the surface area of the member per unit length. i, ,\ufffd \ufffd2 , where Ai is the cross-section area of the insulating material and A is the cross-section area of the steel.", "mime": "application/pdf"}, {"id": "ap-6431", "words": "8021", "extension": ".pdf", "flesch": "61", "author": "Dlesk, Adam; Vach, Karel; Pavelka, Karel", "title": "STRUCTURE FROM MOTION PROCESSING OF ANALOGUE IMAGES CAPTURED BY ROLLEI METRIC CAMERA, DIGITIZED WITH VARIOUS SCANNING RESOLUTION", "date": "2020", "keywords": "agisoft; cdw; dpi; images; micmac; photoscan; points; processing; resolution; scanning", "summary": "A parameter, which each side of image resolution divides by 4, had to be used. In the case of point clouds generated in Agisoft PhotoScan, p-values computed by Shapiro-Wilk test showed a sufficient confidence except for sets \u2206X and \u2206Y at the point cloud generated from the 1000 dpi scanning resolution images, see Tab. 9.", "mime": "application/pdf"}, {"id": "ap-644", "words": "3998", "extension": ".pdf", "flesch": "57", "author": "Plach\u00fd, T.; Pol\u00e1k, M.", "title": "Nondestructive Damage Detection Based on Modal Analysis", "date": "2004", "keywords": "bridge; change; fig; modal; state", "summary": "For damage detection and localization on this bridge the use of natural frequency changes, changes of mode surface curvature CAMOSUC( j),x, changes of modal flexibil- ity matrix \ufffd[\ufffd] and the second derivative of changes of the di- agonal members of a modal flexibility matrix \ufffd[ ]\ufffd \ufffd\ufffd proved to be appropriate. Keywords: modal analysis, natural mode, natural frequency, damage detection, MAC, COMAC, service life, fatigue.", "mime": "application/pdf"}, {"id": "ap-646", "words": "2909", "extension": ".pdf", "flesch": "69", "author": "\u0160milauer, V.; M\u00e1ca, J.; Val\u00e1\u0161ek, M.", "title": "Dynamic Bridge Response for a Bridge-friendly Truck", "date": "2004", "keywords": "bridge; fig; model; z z; \ufffd \ufffd", "summary": "2 12 1 2 12 20 2 02 20 2 2\ufffd\ufffd ( ) ( ) \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd ( ) ,z t02 (3) \ufffd \ufffdm z k z z b F k z z t b z d3 3 13 1 3 13 30 3 03 30 3 4\ufffd\ufffd ( ) ( ) \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd ( ) ,z t03 (4) F b z z b z a b z a zd f f f12 1 2 02 2 1 12 1 2\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd( \ufffd \ufffd ) ( \ufffd \ufffd ) ( \ufffd \ufffd \ufffd )\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffdk z z k z a zf f10 2 02 12 1 2( ) ( ) ,\ufffd (5) F b z z b z b b z b zd r r r13 1 3 03 2 1 12 1 3\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd( \ufffd \ufffd ) ( \ufffd \ufffd ) ( \ufffd \ufffd \ufffd )\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffdk z z k z b zr r10 3 03 12 1 3( ) ( ) ,\ufffd (6) z t z zr02 4( ) ,\ufffd \ufffd (7) z t z zr03 5( ) ,\ufffd \ufffd (8) where z4, z5 are the bridge displacements and zr is a road ir- regularity. (9) The second performance criterion considered driver comfort in the form of truck sprung mass acceleration: ACC z a tSUM t \ufffd \ufffd\ufffd (\ufffd\ufffd \ufffd\ufffd )1 2 0 \ufffd d .", "mime": "application/pdf"}, {"id": "ap-648", "words": "4314", "extension": ".pdf", "flesch": "60", "author": "N\u011bme\u010dek, J.; Padev\u011bt, P.; Bittnar, Z.", "title": "Effect of Stirrups on Behavior of Normal and High Strength Concrete Columns", "date": "2004", "keywords": "columns; concrete; fig; microplane; model; peak; series", "summary": "[16] for concrete columns with pretensioned carbon fiber polymer tubes. [7] Brocca M., Ba\u017eant Z. P.: \u201cSize effect in concrete columns: Finite-element analysis with microplane model.\u201d", "mime": "application/pdf"}, {"id": "ap-650", "words": "3054", "extension": ".pdf", "flesch": "62", "author": "Kabele, P.", "title": "A Simplified Analysis of the Post-buckling Behavior of a Compressed Reinforcing Bar", "date": "2004", "keywords": "bar; plastic; \ufffd \ufffd", "summary": "Since axial straining of the central line is neglected [Assumption (4)], the strain can be expressed as: \ufffd \ufffd \ufffd\ufffd \ufffd , (1) where \ufffd denotes the local axis normal to and originating at the central line, and \ufffd is the curvature of the central line. On these sections, the rupture criterion is first satisfied at the most distant points with \ufffd \ufffd\ufffd ext .", "mime": "application/pdf"}, {"id": "ap-652", "words": "12455", "extension": ".pdf", "flesch": "66", "author": "Dimitrovov\u00e1, Z.", "title": "A New Methodology to Establish Upper Bounds on Open-Cell Foams Homogenized Properties", "date": "2004", "keywords": "cell; e \ufffd; j \ufffd; media; q \ufffd; s \ufffd; sin \ufffd; \ufffd cos; \ufffd g; \ufffd jk; \ufffd k; \ufffd l; \ufffd \ufffd", "summary": "3: Specification of optimal media response i 1y 2y 3y iN iN i\ufffd il iA bari Fig. 4: Specification of the i-bar within the basic cell Taking into account (22\u201323), (20) can be substituted into (4) giving: \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd 1 1 1 2 3 1 2 3V V T T TS N R R R Q Q Q N, , , , , , (28) and (21) into (5) as: W V Es \ufffd N 2 2 , (29) where S will be named as the modified static matrix. Using superposition, the necessary maximality condition from Table 2 reads as: N ( P P P P P P\ufffd \ufffd 1 2 1 1 1 2 2 3 3 1 1 2 2 3 3 G* ) ,\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd (36) where the coefficients \ufffdi are expressing the particular basic cases combination, corresponding to the imposed macroload.", "mime": "application/pdf"}, {"id": "ap-654", "words": "4027", "extension": ".pdf", "flesch": "53", "author": "Konrad, M.; Chudoba, R.", "title": "The Influence of Disorder in Multifilament Yarns on the Bond Performance in Textile Reinforced Concrete", "date": "2004", "keywords": "bond; fig; filaments; matrix; maximum; pull; yarn", "summary": "The improvement of the local bond performance is counterpro- ductive and results in an earlier failure of the outer filaments with higher bond performance. Particular interest is paid to the influence of irregularities in the micro-structure (relative differences in filament lengths, varying bond quality, bond-free length) for different levels of local bond quality between the filament surface and the matrix.", "mime": "application/pdf"}, {"id": "ap-656", "words": "5117", "extension": ".pdf", "flesch": "59", "author": "Proch\u00e1zka, P. P.", "title": "Micromechanics Based Inelastic and Damage Modeling of Composites", "date": "2004", "keywords": "y y; \u0161ejnoha; \ufffd f; \ufffd l; \ufffd r; \ufffd \ufffd", "summary": "The Lippman-Schwinger equation has the form: \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd( ) ( ) ) (40) It is worth noting that the stress concentration factor can be derived in the same way: \ufffd \ufffd\ufffd \ufffd \ufffd\ufffdB \ufffd \ufffd \ufffdf m (41)", "mime": "application/pdf"}, {"id": "ap-6575", "words": "5454", "extension": ".pdf", "flesch": "53", "author": "Yusuff, Adeyinka Sikiru; Popoola, Lekan Taofeek; Anochie, Victor", "title": "Utilization of agricultural waste adsorbent for the removal of lead ions from aqueous solutions", "date": "2021", "keywords": "adsorbent; adsorption; cmosw; equilibrium; ions; lead; order; pb2; removal; solution; waste", "summary": "SEM micrographs of CMOSW sample (a) prior to and (b) after Pb2+ ions adsorption. Adsorption removal of lead and arsenic from aqueous solution using soya bean as a novel biosorbent: equilibrium isotherm and thermal stability studies.", "mime": "application/pdf"}, {"id": "ap-658", "words": "6713", "extension": ".pdf", "flesch": "54", "author": "Zeman, J.; Valenta, R.; \u0160ejnoha, M.", "title": "On Adequacy of Two-point Averaging Schemes for Composites with Nonlinear Viscoelastic Phases", "date": "2004", "keywords": "fig; matrix; model; response; strain; stress; vol; y \ufffd; \ufffd d; \ufffd e12; \ufffd r; \ufffd \ufffd", "summary": "Admitting only small strains and isotropic ma- terials, a set of constitutive equations defining the generalized compressible Leonov model can be written as \ufffd \ufffdm K\ufffd , (18) \ufffd ( \ufffd \ufffd ), ,sij ij ij pG e e\ufffd \ufffd \ufffd\ufffd \ufffd2 , (19) \ufffd ( ) ( ), , , , e s s ij p ij eq ij eqa\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 1 2 1 2 0 , (20) \ufffd \ufffd \ufffd \ufffd \ufffd ij m ij ij ij ij M \ufffd \ufffd \ufffd \ufffd s s s, , 1 , (21) where \ufffdm is the mean stress, \ufffd is the volumetric strain, K is the bulk modulus, G\ufffd is the shear modulus of the \ufffd-th unit and \ufffdij is the Kronecker delta. In particular, under the ergodic hypothesis [21] the vol- ume average of function \ufffd \ufffdr( , )x given by \ufffd \ufffd \ufffdr V r V V ( , ) lim ( )x x y y\ufffd \ufffd \ufffd\ufffd \ufffd 1 d , (2) is independent of \ufffd and identical to the ensemble average \ufffd \ufffdr r r rS c( ) ( ) ( )x x x\ufffd \ufffd \ufffd , (3) where cr is the volume fraction of the rth phase.", "mime": "application/pdf"}, {"id": "ap-6580", "words": "8298", "extension": ".pdf", "flesch": "60", "author": "Siddika, Ayesha; Amin, Md. Ruhul; Rayhan, Md. Abu; Islam, Md. Saidul; Mamun, Md. Abdullah Al; Alyousef, Rayed; Amran, Y. H. Mugahed", "title": "PERFORMANCE OF SUSTAINABLE GREEN CONCRETE INCORPORATED WITH FLY ASH, RICE HUSK ASH, AND STONE DUST", "date": "2021", "keywords": "addition; ash; cement; concrete; doi:10.1016; materials; properties; replacement; rha; rice; specimens; strength; water", "summary": "Influence of silpozz and rice husk ash on enhancement of concrete strength. Use of ultrafine rice husk ash with high-carbon content as pozzolan in high performance concrete.", "mime": "application/pdf"}, {"id": "ap-660", "words": "6846", "extension": ".pdf", "flesch": "55", "author": "Skok\u00e1nek, J.", "title": "Deformation Stress State of Elastic Bodies", "date": "2005", "keywords": "deformation; deformation stress; force; state; stress state; stress \ufffd; \ufffd cos; \ufffd \ufffd", "summary": "d dsfN F A\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd\ufffd \ufffd \ufffdcos cos cos . This means that the positive part of the internal force F2(+) gener- ated by the positive deformation force effect on the half of the element above the cross section surface is in equilibrium with the negative part of the internal force F2(\ufffd) generated by the negative deformation force effect F F2 2 0( ) ( )\ufffd \ufffd\ufffd \ufffd .", "mime": "application/pdf"}, {"id": "ap-662", "words": "5470", "extension": ".pdf", "flesch": "54", "author": "\u010cepek, A.; Pytel, J.", "title": "A Progress Report on Numerical Solutions of Least Squares Adjustment in GNU Project Gama", "date": "2005", "keywords": "adjustment; columns; equations; gama; matrix; orthogonalization; project; \ufffd \ufffd", "summary": "[Modified Gram\u2013Schmidt (MGS) column version] for k \ufffd 1 2, , ,\ufffd n for i k\ufffd \ufffd1 2 1, , ,\ufffd r q a a a r qik k T k i k i k i ik i: \u037e : \u037e( ) ( ) ( )\ufffd \ufffd \ufffd\ufffd1 end \ufffd : \u037e : ( \ufffd \ufffd ) \u037e( )q a r q qk k k kk k T k\ufffd \ufffd 1 2 q q rk k kk: \ufffd ;\ufffd end Algorithms 1.3 For any real m\u00d7n matrix A, m \ufffd n, there exists the singular value decomposition A UW V\ufffd \ufffd (26) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdU U VV V V1 1, , where U is an m\u00d7n matrix with orthogonal columns, W is a diagonal matrix n\u00d7n with nonnegative elements and V is a square orthogonal matrix n\u00d7n, (this variant is referred to as the thin SVD [3]).", "mime": "application/pdf"}, {"id": "ap-6624", "words": "7780", "extension": ".pdf", "flesch": "66", "author": "Yin, Edward; Seckley, Emmanuel M.; Asiedu, Evans Kesse; Cobbinah, Stephen", "title": "STRESS ANALYSIS AND TOPOLOGY OPTIMIZATION OF A CHAIN BUCKET ELEVATOR USING ANSYS", "date": "2021", "keywords": "analysis; beam; bucket; bucket elevator; chain; chain bucket; design; elevator; failure; optimization; pawl; spring; stress", "summary": "[9] designed a combi- nation of a belt conveyor and chain bucket elevator, which is controlled automatically by a micro controller with a weight sensor attached to it for packaging. Metallographic failure analysis on bucket elevator conveyor chain links.", "mime": "application/pdf"}, {"id": "ap-6627", "words": "5996", "extension": ".pdf", "flesch": "60", "author": "Scho\u0159, Pavel; Kou\u0159il, Martin; Dan\u011bk, Vladim\u00edr", "title": "SIMULATION OF A MANEUVERING AIRCRAFT USING A PANEL METHOD", "date": "2021", "keywords": "aircraft; body; control; data; equation; figure; flight; frame; method; panel; reference; simulation; wake", "summary": "To obtain the correct solution of the circulation, it is necessary to know the strength of doublet wake wake panels and their spatial locations. Keywords: Flight mechanics, aerodynamics, simulation, panel method, maneuvering aircraft.", "mime": "application/pdf"}, {"id": "ap-6632", "words": "6089", "extension": ".pdf", "flesch": "55", "author": "Costantino, Domenica; Pepe, Massimiliano; Angelini, Maria Giuseppa", "title": "EVALUATION OF REFLECTANCE FOR BUILDING MATERIALS CLASSIFICATION WITH TERRESTRIAL LASER SCANNER RADIATION", "date": "2021", "keywords": "data; figure; hds6100; laser; materials; nadir; plaster; position; range; reflectance; scanning; tls; values", "summary": "Moreover, the Table 2 also shows that the HDS3000 detects all the materials above mentioned discrimi- nating them in a limited range of reflectance values (0.4 \u2212 0.6), while the HDS6100, although it records in a wider range, exactly equal to the interval (0 \u2212 1), shows saturation for fewer materials, which would also justify the dispersion of values about the mean. By observing the reflectance data, it is possible to deduce that for all scanned materials varying the azimuthal angle of incidence and being equal in ev- ery other experimental parameter, reflectance values change in a consistent way with the degree of crys- tallinity of the scanned object.", "mime": "application/pdf"}, {"id": "ap-6636", "words": "3896", "extension": ".pdf", "flesch": "64", "author": "Lovska, Alyona; Fomin, Oleksij", "title": "A NEW FASTENER TO ENSURE THE RELIABILITY OF A PASSENGER CAR BODY ON A TRAIN FERRY", "date": "2020", "keywords": "body; car; car body; cars; ferry; figure; passenger; passenger car; train; transportation", "summary": "The conducted research may contribute to ensuring the required strength of passenger car bodies during train ferry transportation, thus leading to a higher operational efficiency of train ferry transportation within the international transportation. Recently, train ferries have been equipped with special fastening brackets for passenger car bodies (Figure 3).", "mime": "application/pdf"}, {"id": "ap-6637", "words": "3513", "extension": ".pdf", "flesch": "73", "author": "Kresan, Tetiana; Pylypaka, Serhii; Ruzhylo, Zynovii; Rogovskii, Ivan; Trokhaniak, Oleksandra", "title": "EXTERNAL ROLLING OF A POLYGON ON CLOSED CURVILINEAR PROFILE", "date": "2020", "keywords": "curve; curvilinear; number; polygon; profile; rolling; square", "summary": "According to the obtained equations, curvilinear profiles with different numbers of their elements are constructed. Keywords: Equilateral polygon, curvilinear profile, external rolling, differential equation, centroids.", "mime": "application/pdf"}, {"id": "ap-664", "words": "3171", "extension": ".pdf", "flesch": "67", "author": "Br\u016fha, O.; Br\u016fha, T.", "title": "Heating and Cooling Anomaly of a Rotating Body", "date": "2005", "keywords": "energy; t \ufffd; \ufffd r; \ufffd \ufffd", "summary": "According to (19) \ufffd \ufffd \ufffdt t t\ufffd \ufffds * and then (20) reads: \ufffd \ufffd \ufffd \ufffd \ufffd * ( ) ( )( * ) ( * ) t E e E e m t t t t \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd k0 s s c 1 12 0 6\ufffd \ufffd \ufffd , (21) where \ufffd ts is: \ufffd \ufffd t Q ms c \ufffd [1] (22) Expression (21) is a transcendent equation for unknown quantity \ufffd * t and given quantity \ufffd ts . (9) Substituting relations (6), (7), (8) and (9) in (5) we obtain an expression for rotational kinetic energy as a function of temperature E t r h e E et t k k0( ) \ufffd \ufffd\ufffd \ufffd1 4 0 4 2 0 0 2 2\ufffd \ufffd \ufffd\ufffd \ufffd \ufffd\ufffd \ufffd .", "mime": "application/pdf"}, {"id": "ap-6643", "words": "4468", "extension": ".pdf", "flesch": "50", "author": "Orlick\u00fd, Adam; Mashko, Alina; M\u00edk, Josef", "title": "Assessment of external interface of autonomous vehicles", "date": "2021", "keywords": "behaviour; braking; communication; crossing; hmi; interface; pedestrian; road; subjects; vehicle", "summary": "The results of such studies provide more versatile results with vehicle behaviour. The method presented in this paper contributes to the safety of a vehicle-pedestrian communication of autonomous vehicles and is a part of a research that shall further contribute to the design and assessment of external communication interfaces of AV in general.", "mime": "application/pdf"}, {"id": "ap-6650", "words": "7310", "extension": ".pdf", "flesch": "67", "author": "Haouam, Ilyas", "title": "ON THE THREE-DIMENSIONAL PAULI EQUATION IN NONCOMMUTATIVE PHASE-SPACE", "date": "2021", "keywords": "continuity; current; equation; field; function; noncommutative; pauli; pauli equation; phase; quantum; space", "summary": "Formulation of noncommutative Pauli equation The Pauli equation is the formulation of the Schr\u00f6dinger equation for spin-1/2 particles, which was formulated by W. Pauli in 1927. Physics Letters A 381(44):3723 \u2013 3725, 2017. doi:10.1016/j.physleta.2017.10.003. 241 http://dx.doi.org/10.1007/s002200050779 http://dx.doi.org/10.1007/PL00005547 http://dx.doi.org/10.1103/PhysRevLett.87.141601 http://dx.doi.org/10.1016/S0370-1573(03)00059-0 http://dx.doi.org/10.30970/jps.24.1801 http://dx.doi.org/10.1142/S0217732305017421 http://dx.doi.org/10.14311/AP.2020.60.0111 http://dx.doi.org/10.30970/jps.24.2002 http://dx.doi.org/10.3390/sym11020223 http://dx.doi.org/10.4236/ojm.2019.93003 http://dx.doi.org/10.1088/1361-6404/ab7495 http://dx.doi.org/10.6122/CJP.51.94 http://dx.doi.org/10.1088/1674-1137/32/5/002 http://dx.doi.org/10.1088/0253-6102/41/6/837 http://dx.doi.org/10.1016/j.physleta.2017.10.003 Acta Polytechnica 61(1):230\u2013241, 2021 1 Introduction 2 Review of noncommutative algebra 3 Pauli equation in noncommutative phase-space 3.1 Formulation of noncommutative Pauli equation 3.2 Deformed continuity equation 3.3 Derivation of the magnetization current 4 Noncommutative Semi-classical Partition Function 5 Conclusion Acknowledgements References", "mime": "application/pdf"}, {"id": "ap-6653", "words": "6345", "extension": ".pdf", "flesch": "58", "author": "Al-Baidhani, Ali; Al-Taie, Abbas Jawad", "title": "Performance characteristics of low carbon waste material to stabilise soil with extremely high plasticity", "date": "2021", "keywords": "bsd; bsdc; bsdf; carbon; content; ehps; figure; improvement; materials; mixtures; properties; soil; strength; swell", "summary": "Figure 7 highlights the variation of SP with BSD content; the LS values are also presented in Figure 7. Also, the effect of curing on the development of soil strength has been included.", "mime": "application/pdf"}, {"id": "ap-666", "words": "4106", "extension": ".pdf", "flesch": "58", "author": "Almarimi, A.; Pokorn\u00fd, J.", "title": "Schema Management for Data Integration: A Short Survey", "date": "2005", "keywords": "data; database; information; integration; proc; schema; systems; xml", "summary": "Polytechnica Vol. 45 No. 1/2005 Czech Technical University in Prague Schema Management for Data Integration: A Short Survey A. Almarimi, J. Pokorn\u00fd Schema management is a basic problem in many database application domains such as data integration systems. In general, data integration systems can be classified into data-warehouse and mediator-wrapper systems.", "mime": "application/pdf"}, {"id": "ap-668", "words": "8521", "extension": ".pdf", "flesch": "70", "author": "Usama, S.; Montaser, M.; Ahmed, O.", "title": "A Complexity and Quality Evaluation of Block Based Motion Estimation Algorithms", "date": "2005", "keywords": "algorithm; block; frame; point; search; size \ufffd; step; step size; \ufffd \ufffd", "summary": "Then for frame resolution I\u00d7J and frame rate F frames per second, the overall complexity is defined as: Complexity operation\ufffd \ufffd \ufffd \ufffd \ufffd IJF NM MNx Each pixel comparison requires four operations, namely, a subtrac- tion, an absolute-value calculation, one addition, and one division, if the cost of accessing pixels C x k y l( , )\ufffd \ufffd and R x", "mime": "application/pdf"}, {"id": "ap-670", "words": "3205", "extension": ".pdf", "flesch": "55", "author": "Tes\u00e1rek, P.; Pavl\u00edk, J.; \u010cern\u00fd, R.", "title": "Comparison of the Capacitance Method and the Microwave Impulse Method for Determination of Moisture Profiles in Building Materials", "date": "2005", "keywords": "capacitance; capacitance method; content; impulse; method; microwave; moisture", "summary": "Keywords: Moisture profiles, capacitance method, microwave impulse method, building materials. re c o n te n t [k g k g -1 ] capacitance method microwave method gravimetric method Fig.", "mime": "application/pdf"}, {"id": "ap-672", "words": "4536", "extension": ".pdf", "flesch": "55", "author": "Hoda\u010d, J.", "title": "3D Information System of Historical Site \u2013 Proposal and Realisation of a Functional Prototype", "date": "2005", "keywords": "data; information; project; site; technical; theatre", "summary": "Work with 3D data is closely connected with development in computer graphics (virtual reality). Currently, customers demand docu- mentation predominantly in 2D form, and they do not want 3D data and models.", "mime": "application/pdf"}, {"id": "ap-6721", "words": "4146", "extension": ".pdf", "flesch": "55", "author": "Hetyei, Csaba; Szlivka, Ferenc", "title": "COUNTER-ROTATING DUAL ROTOR WIND TURBINE LAYOUT OPTIMISATION", "date": "2021", "keywords": "energy; figure; power; rotor; simulations; turbine; wind; wind turbine", "summary": "The swept area for dual rotor wind turbines vary depending on the second turbine\u2019s position, its value can be between S = \u03c0 \u00b7 r2 and S = 2 \u00b7 \u03c0 \u00b7 r2 (r is the swept area\u2019s radius). Wind turbines are no exception.", "mime": "application/pdf"}, {"id": "ap-6737", "words": "3172", "extension": ".pdf", "flesch": "69", "author": "Ag\u00e1rdi, Anita; Neh\u00e9z, K\u00e1roly", "title": "PARALLEL MACHINE SCHEDULING WITH MONTE CARLO TREE SEARCH", "date": "2021", "keywords": "job; machine; problem; scheduling; search; setup; times; tree", "summary": "Parallel machine scheduling problem of flexible maintenance activities with fuzzy random time windows. After that, the efficiency of the algorithms is tested with benchmark data, which result, that algorithms are suitable for solving production scheduling problems.", "mime": "application/pdf"}, {"id": "ap-674", "words": "5058", "extension": ".pdf", "flesch": "65", "author": "Lem\u00e1k, D.; Studni\u010dka, J.", "title": "Influence of Ring Stiffeners on a Steel Cylindrical Shell", "date": "2005", "keywords": "analysis; deformation; diameter; fig; model; shell; stiffeners; wind; \ufffd \ufffd", "summary": "02\ufffd , (10) N D D D \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 8306 10 4 020 10 1441 10 2940 1 11 3 07 2 04 . I D D\ufffd \ufffd \ufffd303 3350 8727002. .", "mime": "application/pdf"}, {"id": "ap-6745", "words": "5858", "extension": ".pdf", "flesch": "66", "author": "M\u011b\u0161\u0165anov\u00e1, Lucie; Barto\u0161, Ond\u0159ej", "title": "AN ANALYSIS OF THE LIQUID FILMS BREAK-UP USING THE COMPUTER VISION TECHNIQUE", "date": "2021", "keywords": "contour; distribution; droplets; figure; flow; image; liquid; measurement; method; number; otsu; steam; turbines", "summary": "Measurement method The wind tunnel is connected with the compressed air storage vessel or to the steam supply grid. Segmented images resulting from the GMM-based segmentation give the lowest number of foreground pixels.", "mime": "application/pdf"}, {"id": "ap-6754", "words": "5988", "extension": ".pdf", "flesch": "62", "author": "Ton-That, Hoang Lan", "title": "A COMBINED STRAIN ELEMENT TO FUNCTIONALLY GRADED STRUCTURES IN THERMAL ENVIRONMENT", "date": "2020", "keywords": "analysis; bending; element; materials; plates; shear; strain; structures; sus304; temperature; theory", "summary": "Finite element analysis of functionally graded skew plates in thermal environment based on the new third-order shear deformation theory. A formulation of general shell elements-the use of mixed interpolation of tensorial components.", "mime": "application/pdf"}, {"id": "ap-676", "words": "4944", "extension": ".pdf", "flesch": "69", "author": "Kub\u00e1tov\u00e1, H.", "title": "Modeling by Petri Nets", "date": "2005", "keywords": "fig; net; nets; places; set; transition; \ufffd \ufffd", "summary": "For a net sys- tem S \ufffd< NPT, m0> the set RS S m w T m mw( ): ,*\ufffd \ufffd \ufffd \ufffd0 , where T* is the sequence of transitions and w \ufffd T* and t \ufffd T, is the reachability set. \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdPre Post0 0\ufffd This interpretation leads to the alternative definition, which is closer to the graphical representation.", "mime": "application/pdf"}, {"id": "ap-6763", "words": "7780", "extension": ".pdf", "flesch": "64", "author": "Rustam; Usman, Koredianto; Kamaruddin, Mudyawati; Chamidah, Dina; Nopendri; Saleh, Khaerudin; Eliskar, Yulinda; Marzuki, Ismail", "title": "MODIFIED POSSIBILISTIC FUZZY C-MEANS ALGORITHM FOR CLUSTERING INCOMPLETE DATA SETS", "date": "2021", "keywords": "accuracy; algorithm; cluster; clustering; data; data sets; npspfcm; number; ocspfcm; percentage; values", "summary": "Bezdek and Hathaway [4] developed the FCM algorithm to deal with the problem of clustering data sets with missing values. Bezdek and Hathaway [4] modified the FCM using the PDS in order to deal with the problems associated with clustering incomplete data sets known as the PDSFCM algorithm.", "mime": "application/pdf"}, {"id": "ap-678", "words": "5854", "extension": ".pdf", "flesch": "72", "author": "Bokr, J.; J\u00e1ne\u0161, V.", "title": "Realization of Logical Circuits with Majority Logical Function as Symmetrical Function", "date": "2005", "keywords": "h \ufffd; m \ufffd; \ufffd w; \ufffd \ufffd", "summary": "5: Recording of remainder functions \ufffd \ufffd y x1 from Example 5 \ufffd w y x x w y x x y x x w x x H H H \ufffd \ufffd ( ) ( , ) ( , ) ( 3 2 2 3 2 3 1 4 0 0 0 1 0 \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdx x x x4 5 4 5 2) ( ) , \ufffd w y x x w y x x y x x w x x H H H \ufffd \ufffd ( ) ( , ) ( , ) ( 3 4 3 4 3 4 5 0 0 0 0 1 \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd 1 2 4\ufffd \ufffdx ) , \ufffd w y x x w y x x y x x w x x H H H \ufffd \ufffd ( ) ( , ) ( , ) ( 3 5 3 5 3 5 1 4 0 0 0 0 1 \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdx x x x x2 4 1 2 4 4) ( ) , \ufffd w y x x w y x x y x x w x x H H H \ufffd \ufffd ( ) ( , ) ( , )3 1 1 3 1 3 2 5 1 0 1 1 1 \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd ( ) ,x x For example: \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdS x x x x x x x x x x x x x x x 2 3 2 3 1 3 1 2 1 3 2 3 1 2 3 1 2 3 1 2 3 \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd S S ( ) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd x x x S x x x x x x x x x x x 1 2 3 2 3 1 3 2 3 1 2 3 1 2 1 3 2 3 1 2 , resp.", "mime": "application/pdf"}, {"id": "ap-6786", "words": "5580", "extension": ".pdf", "flesch": "68", "author": "Lechman, Marek; Stachurski, Andrzej", "title": "APPLICATION OF GLOBAL OPTIMIZATION TO PREDICT STRAINS IN RC COMPRESSED COLUMNS", "date": "2021", "keywords": "a(1; a(2; bending; columns; compression; concrete; optimization; section; set", "summary": "FE analysis of failure behaviour of reinforced concrete columns under eccentric compression. Effective flexural stiffness of slender reinforced concrete columns under axial forces and biaxial bending.", "mime": "application/pdf"}, {"id": "ap-6789", "words": "4609", "extension": ".pdf", "flesch": "57", "author": "Ermis, Kemal; Caliskan, Mehmet; Tanriverdi, Muammer", "title": "DESIGN OPTIMIZATION OF MOVEABLE MOMENT STABILIZATION SYSTEM FOR ACCESS CRANE PLATFORMS", "date": "2021", "keywords": "analysis; figure; machine; model; msc; platform; structure; weight; work; work platform; working", "summary": "229 http://dx.doi.org/10.1109/ICICIP.2010.5565257 http://dx.doi.org/10.15317/scitech.201426889 http://dx.doi.org/10.4236/ojsst.2012.21002 http://dx.doi.org/10.15632/jtam-pl.54.1.41 http://dx.doi.org/10.1016/j.compstruc.2006.08.010 http://dx.doi.org/10.1016/j.ijmecsci.2014.07.009 http://dx.doi.org/10.1016/j.proeng.2012.07.274 http://dx.doi.org/10.1016/j.csefa.2015.03.005 http://dx.doi.org/10.1016/j.egypro.2016.12.096 http://dx.doi.org/10.1115/DSCC2010-4241 http://dx.doi.org/10.1049/joe.2018.8961 http://dx.doi.org/10.2174/1874155X01408010219 http://dx.doi.org/10.1016/j.autcon.2007.05.004 http://dx.doi.org/10.1177/1687814018808697 http://dx.doi.org/10.1016/j.engfailanal.2016.12.006 http://dx.doi.org/10.3846/16484142.2011.642946 http://dx.doi.org/10.1109/icicip.2012.6391539 Acta Polytechnica 61(1):219\u2013229, 2021 1 Introduction 2 The general structure of aerial work platforms 3 Work method 3.1 Outrigger contact force function formula 3.2 Improvement of aerial work platform structure 3.3 Mathematical model of aerial work platform 3.4 The process of structural and dynamic structural analysis 4 Results and discussion Acknowledgements References Improvement of aerial work platform structure The aim of this study is to increase the working efficiency of aerial work platforms a through lateral extension.", "mime": "application/pdf"}, {"id": "ap-6795", "words": "10961", "extension": ".pdf", "flesch": "63", "author": "Darmanto, Prihadi Setyo; Astina, I Made; Wardhana, Alfian Kusuma; Amalia, Alfi; Syahlan, Arief", "title": "NEW METHOD EVALUATION OF DETAIL MATERIAL AND HEAT FLOWS FOR SINGLE STRING CEMENT CLINKER PLANT", "date": "2021", "keywords": "air; cement; clinker; conservation; cooler; cyclone; feed; flow; gas; heat; heat conservation; heat flow; kiln; kiln feed; mass; plant; process; temperature", "summary": "Heat flow of kiln feed gas resulting from the calcination process, mostly CO2, exits from SP (Eq. 19): Engas\u2212kf = mgas\u2212kf \u00b7 hCO2(Thg1) The results of the mass and heat conservation calculation for each cyclone is highly useful for designing equipment, controlling the process and modifying equipment (e.g., estimating the rate of kiln feed flow to the calciner).", "mime": "application/pdf"}, {"id": "ap-680", "words": "4123", "extension": ".pdf", "flesch": "62", "author": "\u0160och, M.; L\u00f3rencz, R.", "title": "Solving Inverse Kinematics \u2013 A New Approach to the Extended Jacobian Technique", "date": "2005", "keywords": "inverse; jacobian; joint; method; structure; \ufffd \ufffd", "summary": "d dx J\ufffd \ufffd( )q q (3) [8] suggested a more general form of optimization with pseudo- -inverse by minimizing objective function g(q): \ufffd \ufffdd dq q q q q q \ufffd \ufffd \ufffd \ufffd \ufffdJ x I J J+ + g ( ) ( ) ( ) ( ) \ufffd \ufffd \ufffd , (5) where I is identity matrix and \ufffd is positive gain constant.", "mime": "application/pdf"}, {"id": "ap-6813", "words": "3660", "extension": ".pdf", "flesch": "57", "author": "C\u00edgler \u017dofkov\u00e1, Drahom\u00edra; Frankl, Ji\u0159\u00ed; Frankeov\u00e1, Dita", "title": "Use of thermal analysis for the detection of calcium oxalate in selected forms of plastering exposed to the effects of Serpula lacrymans", "date": "2021", "keywords": "analysis; calcium; decomposition; lacrymans; lime; mortar; oxalate; samples; serpula; wood", "summary": "The most pronounced bands (peaks) in the thermal analysis, corresponding to the first and second stages of calcium oxalate decomposition, were recorded in mortar samples exposed to the activity of Serpula lacrymans. In the case of mortar samples from Hr\u00e1dek nad Oh\u0159\u00ed, bands that correspond to the presence of calcium oxalate were recorded (\u223c1630 cm\u22121, 1320 cm\u22121 and a weak band of \u223c780 cm\u22121), whose library spectra in a pure form are shown in 5 (e).", "mime": "application/pdf"}, {"id": "ap-6816", "words": "4635", "extension": ".pdf", "flesch": "53", "author": "Tuh\u00e1\u010dek, Martin; Franek, Ond\u0159ej; Svoboda, Pavel", "title": "APPLICATION OF FMEA METHODOLOGY FOR CHECKING OF CONSTRUCTION\u2019S PROJECT DOCUMENTATION AND DETERMINATION OF THE MOST RISK AREAS", "date": "2020", "keywords": "construction; data; defects; documentation; fmea; method; project; project documentation; quality; research", "summary": "Experi- ence from practice proves that the processed project documentation suffers from many shortcomings, this is also confirmed by the following results of the analy- sis of expert opinions, which researches the cause of defects in construction projects [2]. In connection with the effective preparation of construction projects, we increasingly encounter the term Lean Construction", "mime": "application/pdf"}, {"id": "ap-682", "words": "8801", "extension": ".pdf", "flesch": "39", "author": "Bokr, J.; J\u00e1ne\u0161, V.", "title": "Trivial Logic Arrays", "date": "2005", "keywords": "system \ufffd; \ufffd c; \ufffd j; \ufffd m; \ufffd q; \ufffd t; \ufffd y; \ufffd \ufffd", "summary": "1 2 1 2 1 1 11 21 2 2 12 22 \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffdp p pe e, ,1 2 having in mind that the vector exciting function E sought for \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffdE p p m \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 0 1 2 0 1 0 1 , , , \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdE q q q x x x e e e e e p m p p m p : , , , : : , 0 1 0 1 0 1 1 2 1 2 11 21 12 22 1 \ufffd \ufffd \ufffd \ufffd \ufffd e p2 represented by the system \ufffd \ufffd 12 1k k p \ufffd of components driving functions \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 12 2 1 2 1 2 1 2 0 1 0 1 0 1k p m p m k kq q q x x x e e : , , , , \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd found according to the function +, and \ufffd and is represented by the system\ufffd \ufffd\ufffd j j n \ufffd1 of the component input functions \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd j p m n p m jq q q x x x y : , , , : : , . 0 1 0 1 0 1 1 2 1 2 \ufffd \ufffd \ufffd \ufffd Let \ufffd \ufffd\ufffd \ufffdM M M Min out out ext out int\ufffd , be the input (output, out- put external, output internal) matrix, (respectively) of the given dynamic object, i.e., \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdM K In the case of single stimuli a, b, c, the noncritical pairs of state transitions on the state alphabet\ufffd\ufffdq q\ufffd1 6 define \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd1 2 3 4 5 6, , , , , , \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd1 4 2 3 5 6, , , , , , \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd1 2 3 4 5 6, , , , , .", "mime": "application/pdf"}, {"id": "ap-6823", "words": "3375", "extension": ".pdf", "flesch": "62", "author": "Belloni, Eduarda da Silva; Clain, Fernanda Mazuco; Guilherme, Carlos Eduardo Marcos", "title": "Post-impact mechanical characterization of HMPE yarns", "date": "2021", "keywords": "fatigue; figure; hmpe; impact; load; samples; tests; virgin; yarns; ybl", "summary": "Impact load setting Table 3 shows the results of impact tests for different loads, shown in terms of percentage of the YBL, from a height of 300mm. Conclusions This study demonstrates that the mechanical be- haviour of a material changes when it is subjected to impact loads.", "mime": "application/pdf"}, {"id": "ap-6833", "words": "4196", "extension": ".pdf", "flesch": "50", "author": "Minchev, Dmytro S.; Varbanets, Roman A.; Alexandrovskaya, Nadiya I.; Pisintsaly, Ludmila V.", "title": "Marine diesel engines operating cycle simulation for diagnostics issues", "date": "2021", "keywords": "cylinder; diesel; engine; exhaust; fuel; marine; mathematical; pressure; simulation; valve", "summary": "An estimation of the fuel-injection and power load irregularity by engine cylinder; (2.) The ongoing monitoring of marine diesel engines helps to detect the deviations of its parameters early and prevent major failures.", "mime": "application/pdf"}, {"id": "ap-6836", "words": "4982", "extension": ".pdf", "flesch": "69", "author": "Dvo\u0159\u00e1kov\u00e1, \u013dubom\u00edra; Kruml, Stanislav; Ryz\u00e1k, David", "title": "Antipalindromic numbers", "date": "2021", "keywords": "antipalindromic; base; number", "summary": "Conclusion and open problems In this paper, we carried out a thorough study of antipalindromic numbers and described known results regarding palindromic numbers in order to draw a comparison. In this paper, we define and study antipalindromic numbers: positive integers whose expansion in a certain integer base is an antipalindrome.", "mime": "application/pdf"}, {"id": "ap-684", "words": "4682", "extension": ".pdf", "flesch": "59", "author": "Korbel, S.; J\u00e1ne\u0161, V.", "title": "Implementation of a Microcode-controlled State Machine and Simulator in AVR Microcontrollers (MICoSS)", "date": "2005", "keywords": "bits; control; czech; device; fig; level; machine; simulator; state; state machine", "summary": "Keywords: state machine, microcontroller, microprogramming, software implementation of a simulator. Although we have now switched when designing microcomputers to standard circuit control units, state machines are still important.", "mime": "application/pdf"}, {"id": "ap-6849", "words": "5166", "extension": ".pdf", "flesch": "58", "author": "Ayeleso, Ayokunle O.; Raji, Atanda K.", "title": "A CONCEPTUAL STUDY OF A LIQUID METAL ALLOY IN A DISK-SHAPED MAGNETOHYDRODYNAMICS CONVERSION SYSTEM", "date": "2021", "keywords": "channel; current; density; disk; flow; fluid; liquid; magnetic; mhd; study; velocity", "summary": "Flow rate measurements in turbulent liquid metal channel flow using Time-of-Flight Lorentz force velocimetry. Numerical and experimental study of the traveling magnetic field effect on the horizontal solidification in a rectangular cavity part 1: Liquid metal flow under the TMF impact.", "mime": "application/pdf"}, {"id": "ap-6850", "words": "6518", "extension": ".pdf", "flesch": "57", "author": "Pinheiro, Paulo Henrique Barbosa de Souza; Santos, Mayara Helena Moreira Nogueira; Colombini, Angelo Cesar; Fran\u00e7a, Bruno Wanderley; Fortes, Marcio Zamboti", "title": "Detailed modelling and analysis of digital mho distance relay with single-pole operation", "date": "2021", "keywords": "detection; distance; distance relay; fault; figure; impedance; line; mho; phase; power; protection; relay; time; zone", "summary": "An extension of an existing ground distance relay algorithm to include phase distance relays is presented in [3]. There are many types of distance relays, from electromechanical ones to the latest computer relays.", "mime": "application/pdf"}, {"id": "ap-6855", "words": "3060", "extension": ".pdf", "flesch": "57", "author": "Al-mashaal, Asaad K. Edaan; Cheung, Rebecca", "title": "Delamination of polyimide in hydrofluoric acid", "date": "2021", "keywords": "delamination; etchant; etching; figure; film; polyimide; silicon; substrate", "summary": "This study is intended to provide the information on the compatibility of using polyimide films with HF, which can help in the design and fabrication of polyimide-based devices. The importance of polyimide films is due to their outstanding thermal, mechanical, and chemical prop- erties.", "mime": "application/pdf"}, {"id": "ap-686", "words": "5764", "extension": ".pdf", "flesch": "68", "author": "Fi\u0161er, P.; Kub\u00e1tov\u00e1, H.", "title": "Pseudorandom Testing \u2013 A Study of the Effect of the Generator Type", "date": "2005", "keywords": "bist; faults; fig; lfsr; number; patterns; pseudo; seed; test", "summary": "LFSR patterns by the Decoder. First we show that the testability and the fault coverage achieved by a certain number of pseudo-random test vectors strictly depend on the tested circuit.", "mime": "application/pdf"}, {"id": "ap-6861", "words": "4645", "extension": ".pdf", "flesch": "67", "author": "Bozca, Mehmet", "title": "EFFECTS OF DESIGN PARAMETERS ON STATIC EQUIVALENT STRESS OF RADIAL ROLLING BEARINGS", "date": "2021", "keywords": "ball; bearing; contact; element; pressure; results; roller; stress", "summary": "Point contact results in a con- tact pressure and contact stress between two spherical surfaces. Line contact results in a contact pressure and contact stress between two cylindrical surfaces.", "mime": "application/pdf"}, {"id": "ap-6863", "words": "4675", "extension": ".pdf", "flesch": "57", "author": "Samsonovich, Semen L.; Fedotov, Boris K.; Rozhnin, Nikolay B.; Goryunov, Roman V.", "title": "Results of research on backlash compensation in a power electric drive by low-power electronic device", "date": "2022", "keywords": "backlash; backlash compensation; control; device; displacement; drive; electric; figure; signal; torques", "summary": "Keywords: Backlash, backlash compensation device, multi-motor drive, tandem control. Backlash compensation device with cross connections The disadvantage of the known method of backlash compensation, based on the introduction of displace- Figure 4.", "mime": "application/pdf"}, {"id": "ap-6867", "words": "6427", "extension": ".pdf", "flesch": "68", "author": "Vok\u00e1l, Marek; Drahor\u00e1d, Michal", "title": "NON-LINEAR ANALYSIS OF SLENDER MASONRY COLUMN SUBJECTED TO BIAXIAL BENDING", "date": "2021", "keywords": "column; cross; figure; linear; masonry; non; plastic; section; shape; strain; stress", "summary": "The results of this study are also compared to the results of laboratory tests of masonry columns. In the study of non-linear be- haviour of masonry columns, six basic possibilities are used, see Figure 8, the rigid plastic can be seen in Figure 9: Linear-plastic, parabolic-plastic (parabolic- rectangular) and rigid-plastic diagrams are given in [1].", "mime": "application/pdf"}, {"id": "ap-6868", "words": "4460", "extension": ".pdf", "flesch": "62", "author": "Proch\u00e1zka, Ji\u0159\u00ed; Pollert, Jaroslav", "title": "OPTIMIZING EFFICIENCY OF THE COMBINED SEWER OVERFLOW CHAMBER HOBAS", "date": "2020", "keywords": "chamber; cso; hobas; losses; overflow; rods; screen bars; self", "summary": "15 shows the process of the self-cleaning ef- fect of swinging screen bars, which occurs during the simulation of the ending rain event, when a gradual decrease in the level in the CSO causes a significant oscillation of the free ends of the rods of screen bars from which all remaining impurities are released. The main goal of the research was to determine the pressure losses of the overflow chamber under various conditions - without self-clean screen bars; with screen bars without impurities and with screen bars partially or fully clogged with various impurities.", "mime": "application/pdf"}, {"id": "ap-688", "words": "5140", "extension": ".pdf", "flesch": "65", "author": "Schmidt, J.; Novotn\u00fd, M.", "title": "Scalable Normal Basis Arithmetic Unit for Elliptic Curve Cryptography", "date": "2005", "keywords": "clock; cycles; multiplier; time; \ufffd \ufffd", "summary": "i m i m\ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd, , , ,0 1 2 1\ufffd (2) The number of clock cycles necessary for one point addition or doubling is then: \ufffd \ufffd \ufffd \ufffd C m w m C m w m C const PADD MUL SQR \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd log ( ) ( ) ( ) 2 1 1 1 1 . (3) We can reduce the number of clock cycles CPADD in two ways: by reducing the number of clock cycles CMUL of the multiplications and the number of clock cycles CSQR of the iterative squaring.0 Both the Massey-Omura and the AMOV multipliers need m clock cycles for computing all m bits of the result.", "mime": "application/pdf"}, {"id": "ap-6885", "words": "2918", "extension": ".pdf", "flesch": "52", "author": "Diskaeva, Elena Igorevna; Vecher, Olga Vladimirovna; Bazikov, Igor Alexandrovich; Elbekyan, Karine Sergeevna; Diskaeva, Elena Nikolaevna", "title": "DEPENDENCE OF THE VISCOSITY COEFFICIENT OF THE NIOSOMAL DISPERSION ON THE TEMPERATURE AND PARTICLE SIZE OF THE DISPERSED PHASE", "date": "2021", "keywords": "coefficient; dependence; dispersion; niosomal; niosomes; particle; size; temperature; viscosity", "summary": "Viscosity coefficients dispersions with different vol- ume concentrations differ and grow with an increase in the diameter of niosomal vesicles. The aim of this study was to experimentally investigate the dependence of viscosity coefficient of niosomal dispersion based on PEG-12 Dimethicone on the temperature and size of niosomes vesicles.", "mime": "application/pdf"}, {"id": "ap-6888", "words": "5752", "extension": ".pdf", "flesch": "55", "author": "Aminou Moussavou, Anges A.; Raji, Atanda K.; Adonis, Marco", "title": "STRATEGIC MODULATION OF THERMAL TO ELECTRICAL ENERGY RATIO PRODUCED FROM PV/T MODULE", "date": "2021", "keywords": "cell; energy; figure; heat; module; photovoltaic; power; pv cell; resistance; rse; solar; system; temperature; thermal", "summary": "Analysis of solar PV cell performance with changing irradiance and temperature. Radiation heat transfer versus Rse. 319 A. A. Aminou Moussavou, A. K. Raji, M. Adonis Acta Polytechnica Figure 10. PV cell temperature versus Rse.", "mime": "application/pdf"}, {"id": "ap-6889", "words": "7182", "extension": ".pdf", "flesch": "62", "author": "Chudoba, Josef; Kr\u00e1lovcov\u00e1, Ji\u0159ina; Landa, Ji\u0159\u00ed; Mary\u0161ka, Ji\u0159\u00ed; \u0158\u00edha, Jakub", "title": "A model of isotope transport in the unsaturated zone, case study", "date": "2022", "keywords": "boundary; case; concentration; domain; flow; model; simulation; time; transport; zone", "summary": "This work deals with a groundwater flow and solute transport model in the near-surface (predomi- nantly unsaturated) zone. A prediction of radionuclide concentration distribution in groundwater is done by transport simulations along with groundwater flow simulations (both mainly in saturated zone).", "mime": "application/pdf"}, {"id": "ap-690", "words": "4032", "extension": ".pdf", "flesch": "68", "author": "Bu\u010dek, J.; Hlav\u00e1\u010d, J.; Matu\u0161kov\u00e1, M.; L\u00f3rencz, R.", "title": "Cost-Effective Architectures for RC5 Brute Force Cracking", "date": "2005", "keywords": "decryption; expansion; fig; key; rc5; \ufffd \ufffd", "summary": "i i t\ufffd \ufffd( ) mod1 ; j j c\ufffd \ufffd( ) mod1 ; 2.3 Decryption The following decryption routine assumes that the array S contains the mixed key and that the ciphertext block is in registers A and B. for i r\ufffd downto 1 do B B S i\ufffd \ufffd \ufffd( [ ])2 1 \ufffd \ufffdA A\ufffd ; The plaintext is assumed to be in A and B. A A S\ufffd \ufffd [ ]0 ; B B S\ufffd \ufffd [ ]1 ; for i \ufffd1 to r do A A B\ufffd \ufffd( ) \ufffd \ufffdB S i\ufffd [ ]2 ; B B A\ufffd \ufffd( ) \ufffd \ufffdA S i\ufffd \ufffd[ ]2 1 ; 3", "mime": "application/pdf"}, {"id": "ap-6903", "words": "4435", "extension": ".pdf", "flesch": "55", "author": "Senthilkumar, Jadamuni; Kumar, Pavan S. M.; Balasubramanian, Manickam", "title": "An Investigation of corrosion of friction welded and post-weld heat-treated AA6061/SiC/graphite hybrid composites", "date": "2021", "keywords": "alloy; aluminium; composites; corrosion; friction; heat; joints; sta; weld", "summary": "Sriram Vikas et al. studied the influence of post-weld heat treatment (PWHT) and pitting corrosion behaviour of dissimilar aluminium alloy friction stir welds. Corrosion behavior of alumina-aluminum and silicon carbide-aluminum metal-matrix composites.", "mime": "application/pdf"}, {"id": "ap-692", "words": "3264", "extension": ".pdf", "flesch": "54", "author": "Be\u010dv\u00e1\u0159, M.; \u0160tukjunger, P.", "title": "Fixed-Point Arithmetic in FPGA", "date": "2005", "keywords": "area; arithmetic; carry; mode; multipliers; point", "summary": "This figure shows, and it is also valid in general, that serial mode multipliers consume considerably a smaller area than parallel mode multipliers. Fixed-point multipliers can be divided into two groups by the type by their operation: serial mode multipliers and par- allel mode multipliers.", "mime": "application/pdf"}, {"id": "ap-6922", "words": "8794", "extension": ".pdf", "flesch": "56", "author": "Daniyan, Ilesanmi; Ale, Felix; Uchegbu, Ikenna Damian; Bello, Kazeem; Osazele, Momoh", "title": "Process optimization and performance evaluation of a downdraft gasifier for energy generation from wood biomass", "date": "2021", "keywords": "biomass; conversion; energy; gas; gasifier; optimization; particle; process; residence; size; temperature; time; wood; wood biomass; yield", "summary": "[22] reported on the prediction of a high-temperature rapid combustion behaviour of wood biomass particles using a modelling and simulation approach. This work considers the process optimization and performance evaluation of a downdraft gasifier, suitable for energy generation using wood biomass.", "mime": "application/pdf"}, {"id": "ap-6930", "words": "3577", "extension": ".pdf", "flesch": "49", "author": "Berka, Jan; Ballek, Jakub Vojt\u011bch; Velebil, Ladislav; Purkarov\u00e1, Eli\u0161ka; Vagenknechtov\u00e1, Alice; Hlin\u010d\u00edk, Tom\u00e1\u0161", "title": "CO2 power cycle chemistry in the CV \u0158e\u017e experimental loop", "date": "2021", "keywords": "carbon; co2; cycle; dioxide; experimental; gas; impurities; loop; medium; power", "summary": "The development technology and applications of supercritical CO2 power cycle in nuclear energy, solar energy and other energy industries. Power cycles using carbon dioxide in a supercritical state (sc-CO2) can be used in both the nuclear and non-nuclear power industry.", "mime": "application/pdf"}, {"id": "ap-6935", "words": "6248", "extension": ".pdf", "flesch": "57", "author": "Suk, Tom\u00e1\u0161; \u0160troner, Martin", "title": "The impact of the air temperature on measuring the zenith angle during the year in the ground layer of the atmosphere for the needs of engineering surveying", "date": "2021", "keywords": "accuracy; angle; atmosphere; beam; data; day; geodetic; gradient; measurement; refraction; temperature; vertical; zenith", "summary": "Analysis of the accuracy of temperature measurement of the whole system From the above permitted deviations \u2206TL and \u2206TS , the standard deviations of the logger \u03c3L and the sen- sor \u03c3S can be calculated using the law of standard deviation transmission \u03c3S = \u2206TS 2 = approx. Analysis of the accuracy of temperature measurement of the whole system 2.2 Experiment 2.2.1 Measurement results 2.2.2 Determination of temperature gradient 2.3 Calculations 2.4 Differential equation of the passage of a wave-path 2.4.1 Barrel-Sears formula 2.4.2 Iterative calculation of path 3 Results 3.1 Vertical shifts 4 Real beam trajectory 5 Discussion 6 Conclusion Acknowledgements References", "mime": "application/pdf"}, {"id": "ap-6936", "words": "5616", "extension": ".pdf", "flesch": "58", "author": "Hanon, Muammel M.; Taha, Ziad A.; Zsidai, L\u00e1szl\u00f3", "title": "Simulation of laser drilling of Inconel X-750 and Ti-5Al-2.5Sn sheets using COMSOL", "date": "2021", "keywords": "alloy; drilling; duration; hole; inconel; laser; peak; power; pulse; pulse duration; x-750", "summary": "Among these techniques, laser drilling has become the novel technique for meet- ing a vast majority of possible industrial requirements for micro-hole drilling [11]. 4/2021 Simulation of laser drilling of Inconel X-750 . .", "mime": "application/pdf"}, {"id": "ap-694", "words": "3152", "extension": ".pdf", "flesch": "51", "author": "Tan, J. K.", "title": "Elicitation of Preference Structure in Engineering Design", "date": "2005", "keywords": "criteria; decision; design; maker; preference; structure", "summary": "The selection of the most preferred design solution(s) from a set of efficient design solutions is a subjective matter and depends on the decision maker\u2019s preference. Multiple Criteria Decision Making addresses synthesis and analysis processes through multiple objective optimisation to generate sets of efficient design solutions (i.e. on Pareto surfaces) and multiple attribute decision making to analyse and select the most preferred design solution(s).", "mime": "application/pdf"}, {"id": "ap-6953", "words": "6651", "extension": ".pdf", "flesch": "64", "author": "Nafa, Fares; Boudouda, Aimad; Smaani, Billel", "title": "ADAPTIVE WAVELETS SLIDING MODE CONTROL FOR A CLASS OF SECOND ORDER UNDERACTUATED MECHANICAL SYSTEMS", "date": "2021", "keywords": "adaptive; approximation; control; controller; mode; nonlinear; smc; systems; ums; wavelets", "summary": "Nowadays, wavelets theory was successfully applied to multi-scale analysis and synthesis, time-frequency signal analysis in signal processing as well as in nonlinear control system design [28]. In this work, an adaptive controller using sliding mode control (SMC) and wavelets network (WN) is proposed for a class of second-order UMS with two degrees of freedom (DOF).", "mime": "application/pdf"}, {"id": "ap-696", "words": "4862", "extension": ".pdf", "flesch": "57", "author": "Crostack, H.-A.; H\u00f6fling, M.; Liangsiri, J.", "title": "Simulation in Quality Management \u2013 An Approach to Improve Inspection Planning", "date": "2005", "keywords": "cost; inspection; inspection strategies; process; product; quality; simulation; strategies; time", "summary": "[1] developed a simulation model in order to evaluate inspection strategies according to process capability and cost of quality (COQ). Keywords: simulation, quality, inspection strategies, manufacturing process.", "mime": "application/pdf"}, {"id": "ap-6968", "words": "7330", "extension": ".pdf", "flesch": "57", "author": "Rindt, Karin; Hrdli\u010dka, Franti\u0161ek; Novotn\u00fd, V\u00e1clav", "title": "Preliminary prospects of a Carnot-battery based on a supercritical CO2 Brayton cycle", "date": "2021", "keywords": "co2; cold; cycle; discharging; efficiency; energy; figure; heat; power; storage; system; temperature; trip", "summary": "As a part of the change towards a higher usage of renewable energy sources, which naturally deliver the energy intermittently, the need for energy storage systems is increasing. Keywords: Pumped thermal energy storage (PTES), Carnot-battery, power-to-heat-to-power (P2H2P), supercritical CO2 cycle, Brayton cycle, heat exchange, pinch-point analysis.", "mime": "application/pdf"}, {"id": "ap-698", "words": "5680", "extension": ".pdf", "flesch": "55", "author": "R\u00edos, J.; Jim\u00e9nez, J. V.; P\u00e9rez, J.; Viz\u00e1n, A.; Men\u00e9ndez, J. L.; M\u00e1s, F.", "title": "KBE Application for the Design and Manufacture of HSM Fixtures", "date": "2005", "keywords": "application; design; development; fixture; icad; kbe; knowledge; machining; process; vacuum", "summary": "This is the main reason why much research work focuses on specific issues of fixture design (locating and clamping lay- out, fixture force analysis, fixture tolerances analysis, etc.), and address a specific kind of fixtures, e. g., modular fixtures, or consider only parts with a specific kind of geometry, e. g., prismatic forms. Automating the design of fixtures As stated previously, automation of fixture design has been pursued for several years.", "mime": "application/pdf"}, {"id": "ap-700", "words": "4142", "extension": ".pdf", "flesch": "54", "author": "Song, H.; Eynard, B.; Lafon, P.; Roucoules, L.", "title": "Towards Integration of CAx Systems and a Multiple-View Product Modeller in Mechanical Design", "date": "2005", "keywords": "catia; data; design; integration; level; modeller; modelling; product; view; vol", "summary": "Product modelling has been recognized as an effective tech- nique for facilitating the representation and management of product data. In such a situation, product modelling oriented to functional design has been widely studied.", "mime": "application/pdf"}, {"id": "ap-7011", "words": "5067", "extension": ".pdf", "flesch": "53", "author": "Solna\u0159, Stanislav; Medek, Jan; Suleiman, Abubakar Shola; Vyhl\u00eddal, Patrik", "title": "On a static and dynamic calibration of thermochromic liquid crystals", "date": "2021", "keywords": "calibration; colour; curve; experiment; layer; light; measurement; surface; temperature; tlc", "summary": "For TLC measurements, it is also very important to find out if there is only one colour in the image or if the evaluated image is composed of many different Hue values (colours). However, a very important part of accurate TLC measurements is also their calibration, which is necessary for each applied layer.", "mime": "application/pdf"}, {"id": "ap-702", "words": "3836", "extension": ".pdf", "flesch": "56", "author": "Mullineux, G.; Hicks, B.; Medland, T.", "title": "Constraint-Aided Product Design", "date": "2005", "keywords": "approach; constraint; design; fig; knowledge; process; product; rules", "summary": "Keywords: constraint modelling, design knowledge, synthesis, product design, product families. posed by resources. 3: Modelling a four bar/six bar straint-aided process for product design.", "mime": "application/pdf"}, {"id": "ap-7020", "words": "9658", "extension": ".pdf", "flesch": "52", "author": "Karpiuk, Irina; Danilenko , Denis; Karpiuk, Vasyl; Danilenko , Anna; Lyashenko, Tatiana", "title": "Bearing capacity of damaged reinforced concrete beams strengthened with metal casing", "date": "2021", "keywords": "action; alternating; beams; bearing; bearing capacity; capacity; concrete; cracks; elements; load; reinforcement; shear; strengthening; structures; transverse", "summary": "Keywords: Through normal and cross inclined cracks, reinforced concrete beam damaged by force cracks, prestressed metal casing, low-cycle alternating transverse load. It was experimentally established [7] that low-cycle transverse alternating and intermittent load of high levels does not only reduce the bearing capacity of pro- totypes (reinforced concrete beams) to 20 % and their crack resistance, but also significantly increases the width of the opening of normal cracks and, especially, oblique ones , the value of deflections up to 35 %, and also change the nature of their destruction in compar- ison with a one-time static loading of proportionally increasing load.", "mime": "application/pdf"}, {"id": "ap-704", "words": "4466", "extension": ".pdf", "flesch": "52", "author": "Humble, R.; Millward, H.; Mumby, A.; Price, R.", "title": "The Design and Development of Enhanced Thermal Desorption Products", "date": "2005", "keywords": "cad; cold; company; design; desorption; development; ktp; process; product; temperature; trap", "summary": "Keywords: thermal desorption, product design, SME. and development techniques is reported in terms of deve- lopment times and project costs, and the wider implications for new product development within small companies are discussed. All the PDR-based KTP programmes are, or have been, fo- cused on product design, and the numbers reflect the UK trend in that the majority have been based in SMEs.", "mime": "application/pdf"}, {"id": "ap-7041", "words": "6129", "extension": ".pdf", "flesch": "59", "author": "Karpiuk, Vasyl; Somina, Yuliia; Karpiuk, Fedir; Karpiuk, Irina", "title": "Peculiar aspects of cracking in prestressed reinforced concrete T-beams", "date": "2021", "keywords": "concrete; cracks; factors; reinforcement; shear; structures; table; value; width", "summary": "The theoretical pre-condition of PC is based on the theory of experiment planning, the theory of mathematical 635 V. Karpiuk, Y. Somina, F. Karpiuk, I. Karpiuk Acta Polytechnica I \u2013 transfer of prestressing in reinforcement to concrete; II \u2013 formation of normal cracks in the zone of pure bending; III \u2013 growth of normal cracks and the formation of inclined cracks in shear spans; IV \u2013 development of normal and inclined cracks with an intersection of compressed beam flange and formation of new inclined cracks; V.A) \u2013 the beam destruction with the displacement of area near the support and with the reinforcement kink; V.B) \u2013 the beam destruction due to the prevailing action of the bending moment; V.C) \u2013 the beam destruction due to the crushing of the beam rib concrete Figure 3. By increasing the width ratio of the table overhangs to the thickness of the rib b / f /b from 2 to 4 and increasing the thickness ratio of the table overhangs to the working height h / f /h0 from 0.18 to 0.36, the opening width of normal cracks will increase by 14 %, and the opening width of inclined cracks will decrease by 21 and 23|,%.", "mime": "application/pdf"}, {"id": "ap-7051", "words": "4583", "extension": ".pdf", "flesch": "65", "author": "Djendaoui, Dahmane; Benaissa, Amar; Rabhi, Boualaga; Zellouma, Laid", "title": "Self tunning filter for three levels four legs shunt active power filter with fuzzy logic controller", "date": "2021", "keywords": "control; current; figure; filter; load; phase; power; voltage", "summary": "For this purpose, the three-level inverter is used in this paper as a three-phase four-leg shunt active power filter (SAPF). 7. DC capacitors voltages stabilization To achieve the balance of two input voltages, improve the performance of active power filters and avoid a potential drift of the neutral point (NP), a stabiliza- tion bridge system shown in Fig 8 is inserted.", "mime": "application/pdf"}, {"id": "ap-706", "words": "2643", "extension": ".pdf", "flesch": "56", "author": "Tich\u00e1nek, R.; \u0160paniel, M.; Divi\u0161, M.", "title": "Structural Stress Analysis of an Engine Cylinder Head", "date": "2005", "keywords": "cylinder; fig; head; heat; transfer; valve", "summary": "Keywords: structural stress analysis, FEM, internal-combustion engine. cylinder head assembly lies on the cylinder, and it is fixed with six pre-pressed bolt connections. 3 The dependency of the heat- -transfer coefficient on surface temperature is shown in Fig.", "mime": "application/pdf"}, {"id": "ap-7070", "words": "4268", "extension": ".pdf", "flesch": "59", "author": "Awang, Fatin Farhana; Hassan, Mohd Faiz; Kamarudin, Khadijah Hilmun", "title": "Corn starch doped with sodium iodate as solid polymer electrolytes for energy storage applications", "date": "2021", "keywords": "conductivity; electrolyte; figure; films; naio3; polymer; sodium; spe; starch; wt.%", "summary": "Cole-Cole plots for (a) 0 wt. % of NaIO3 and (b) 9 wt. % of NaIO3 SPE films. The effect of dopants on the structure, morphology and electrical properties of SPE films was analysed using X-Ray diffraction (XRD), scanning electron microscopy (SEM) and electrochemical impedance spectroscopy (EIS) analysis.", "mime": "application/pdf"}, {"id": "ap-708", "words": "4298", "extension": ".pdf", "flesch": "59", "author": "Hoehn, B.-R.; Steingroever, K.; Jaros, M.", "title": "Modelling a New Product Model on the Basis of an Existing STEP Application Protocol", "date": "2005", "keywords": "application; data; gear; model; product; step; units", "summary": "4.2 Standardized specification for the product model for gear units The main problem in using STEP AP 214 for gear data is the lack of any standardization. Therefore the product model for gear units developed by FZG contains clear definitions how to use AP 214 for defining gear data.", "mime": "application/pdf"}, {"id": "ap-7080", "words": "5774", "extension": ".pdf", "flesch": "57", "author": "Zarei, Najmeh; Anvar, Seyed Ahmad; Goenezen, Sevan", "title": "Subjective approach to optimal cross-sectional design of biodegradable magnesium alloy stent undergoing heterogeneous corrosion", "date": "2021", "keywords": "corrosion; design; element; magnesium; model; recoil; stent; stiffness; time", "summary": "Introduction Recently, using magnesium alloy stents in clinical treatments has become relatively common owing to their biosafety, biocompatibility, superior mechani- cal properties, and comparatively larger stiffness than other metallic and polymeric biodegradable stents. To find the optimum profile design of the stent subjectively (without using optimization codes and with much less computational costs), radial recoil was limited to 27 % (corresponding to about 10 % probability of in-stent diameter stenosis after an almost complete degradation) and the stent with the highest radial stiffness was selected.", "mime": "application/pdf"}, {"id": "ap-7081", "words": "4073", "extension": ".pdf", "flesch": "57", "author": "Sobczyk, Kamil; Kruszka, Leopold; Chmielewski, Ryszard; Rekucki, Ryszard", "title": "Performance characteristics of Hopkinson\u2019s set-up pneumatic launcher", "date": "2021", "keywords": "bar; figure; hopkinson; impact; launcher; pressure; projectile; sample; strain", "summary": "The small-diameter pneumatic launcher is an im- portant element of the stationary test stand called the split Hopkinson pressure bar SHPB Testing of hybrid nickel-polyurethane foams at high strain-rates using Hopkinson bar and digital image correlation.", "mime": "application/pdf"}, {"id": "ap-7082", "words": "4318", "extension": ".pdf", "flesch": "64", "author": "Parkhats, Vadzim; Krzywo\u0144, Rafa\u0142; Hulimka, Jacek; Kubica, Jan", "title": "Determination of bond model for 7-wire strands in pretensioned concrete beam", "date": "2021", "keywords": "beam; bond; concrete; element; finite; model; strands", "summary": "Licensed under a CC-BY 4.0 licence Published by the Czech Technical University in Prague DETERMINATION OF BOND MODEL FOR 7-WIRE STRANDS IN PRETENSIONED CONCRETE BEAM Vadzim Parkhats\u2217, Rafa\u0142 Krzywo\u0144, Jacek Hulimka, Jan Kubica Silesian University of Technology, Faculty of Civil Engineering, Department of Structural Engineering, Akademicka 5, 44-100 Gliwice, Poland \u2217 corresponding author: vadzpar036@student.polsl.pl Abstract. Bond models found in the literature are applied in finite element modelling of the beam used in the experimental test to establish the most appropriate ones.", "mime": "application/pdf"}, {"id": "ap-7088", "words": "1457", "extension": ".pdf", "flesch": "43", "author": "Bodn\u00e1r, Tom\u00e1\u0161; Dvo\u0159\u00e1k, Rudolf", "title": "FOREWORD", "date": "2021", "keywords": "czech; faculty; technical; university", "summary": "Professor Karel Kozel devoted himself to applied mathematics throughout his life and became probably the most authentic successor of the school, that was founded at CTU by Professor Pol\u00e1\u0161ek, whose goal and purpose was the direct use of mathematics in solving specific problems of technical practice. In 1964 he moved to the Department of Mathematics, Faculty of Mechanical Engineering at the Czech Technical University in Prague as an assistant professor.", "mime": "application/pdf"}, {"id": "ap-7089", "words": "1148", "extension": ".pdf", "flesch": "66", "author": "Bodn\u00e1r, Tom\u00e1\u0161; Dvo\u0159\u00e1k, Rudolf", "title": "P\u0158EDMLUVA", "date": "2021", "keywords": "jeho; kozel; matematiky; pak; profesor; \u00fastavu; \u010dvut", "summary": "ledna 2021 dlouholet\u00fd profesor \u010cVUT v Praze a v\u011bdeck\u00fd pracovn\u00edk \u00daT AV\u010cR Profesor Karel Kozel je v\u00fdznamn\u00fd \u010desk\u00fd matematik a pedagog, kter\u00fd se po cel\u00fd sv\u016fj \u017eivot v\u011bnoval aplikovan\u00e9 a zvl\u00e1\u0161t\u011b numerick\u00e9 matematice. Byl dlouholet\u00fdm \u010dlenem a pozd\u011bji i vedouc\u00edm \u00dastavu technick\u00e9 matematiky na Fakult\u011b strojn\u00ed \u010cVUT v Praze.", "mime": "application/pdf"}, {"id": "ap-7096", "words": "4538", "extension": ".pdf", "flesch": "55", "author": "Trzepieci\u0144ski, Tomasz; Szpunar, Marcin", "title": "Assessment of the effectiveness of lubrication of Ti-6Al-4V titanium alloy sheets using radial basis function neural networks", "date": "2021", "keywords": "coefficient; conditions; friction; metal; network; oil; pressure; rbf; sheet; surface; titanium; value", "summary": "Kinematic viscosity \u03b7k = 0 was assumed for dry friction conditions. Effect of nominal pressure on the variation in the functional volume parameters Vmc, Vvc, Vmp and Vvv under dry friction conditions. bricated conditions causes an unfavourable reduction in the volume of the oil pockets (Fig. 4e).", "mime": "application/pdf"}, {"id": "ap-710", "words": "1982", "extension": ".pdf", "flesch": "58", "author": "Val\u00e1\u0161ek, M.; Bauma, V.; \u0160ika, Z.", "title": "Study of Concepts of Parallel Kinematics Machines for Advanced Manufacturing", "date": "2005", "keywords": "concept; fig; kinematics; parallel", "summary": "If the platform is just a fraction of the frame cube (e.g. 1:5), then the ratio between the workspace and the machine space is much better than for other parallel kinematics concepts. 3 Hybrid parallel kinematics machines In hybrid parallel kinematics machines, the DOFs of the machine are split into two parts, at least one of which is real- ized by the parallel kinematics concept.", "mime": "application/pdf"}, {"id": "ap-7108", "words": "3730", "extension": ".pdf", "flesch": "63", "author": "Fomin, Oleksij; Glib, Vatulia; Alyona, Lovska", "title": "Determination of loads on the body of a boxcar with elastic elements in the center sill", "date": "2022", "keywords": "body; boxcar; centre; elements; figure; loads; sill; strength", "summary": "Body of a boxcar with elastic elements in the centre sill. The authors suggest elastic elements in the body of a centre sill being the basic carrying element of the frame to decrease the dynamic loads.", "mime": "application/pdf"}, {"id": "ap-712", "words": "3881", "extension": ".pdf", "flesch": "67", "author": "Alkin, C.; Imrak, C. E.; Kocabas, H.", "title": "Solid Modeling and Finite Element Analysis of an Overhead Crane Bridge", "date": "2005", "keywords": "bridge; crane; element; finite; girder; node; overhead; stress; vol; \ufffd \ufffd", "summary": ". Hoisting Velocity : VH \ufffd 2.7 m/min Total duration of use : U4 Load spectrum class : Q3 Appliance group : A5 Loading type : H (main load) Dynamic coefficient : \ufffd \ufffd 1.15 Amplifying coefficient : \ufffdc \ufffd 1.11 Table 1: Bridge property values dynamic coefficient, and the two most unfavourable horizon- tal effects, excluding the buffer forces. In this study, the calculations apply the F. E. M. rules and DIN standards, which are used for box girder crane bridges.", "mime": "application/pdf"}, {"id": "ap-7139", "words": "5585", "extension": ".pdf", "flesch": "51", "author": "Sliusenko, Andrii; Ponomarenko, Vitalii; Forostiuk, Inna", "title": "Water-air ejector with conical-cylindrical mixing chamber", "date": "2021", "keywords": "apparatus; chamber; ejector; entrainment; flow; gas; jet; jet apparatus; liquid; mixing; nozzle; ratio", "summary": "Liquid jet gas ejectors: designs of motive nozzles, performance efficiency. Study of a gas\u2013liquid ejector and its application to a solar-powered bi-ejector refrigeration system.", "mime": "application/pdf"}, {"id": "ap-714", "words": "2377", "extension": ".pdf", "flesch": "55", "author": "Bicak, M. M. A.; Belek, H. T.; G\u00f6ksenli, A.", "title": "Vibration Damping of a New Ionic Liquid under Electric Field Effect", "date": "2005", "keywords": "conductivity; effect; field; fluids; liquid; temperature", "summary": "\ufffd \ufffd \ufffd \ufffd5265 19195 T , where \ufffd denotes viscosity in terms of cP, and T is tempera- ture (K). 3 Ionic liquids are salts which are fluids at around room tem- perature.", "mime": "application/pdf"}, {"id": "ap-7150", "words": "6014", "extension": ".pdf", "flesch": "68", "author": "Erturk, Ercan", "title": "Stationary solutions of incompressible viscous flow in a wall-driven semi-circular cavity", "date": "2021", "keywords": "cavity; cavity flow; et al; figure; flow; number; numerical; reynolds; wall", "summary": "Keywords: Driven semi-circular cavity flow, large Reynolds number flow, numerical solutions, 2-D incompressible viscous flow. Streamline contours of semi-circular cavity flow as Reynolds number increases.", "mime": "application/pdf"}, {"id": "ap-716", "words": "1787", "extension": ".pdf", "flesch": "62", "author": "Novotn\u00fd, J.; No\u017ei\u010dka, J.; Adamec, J.; Nov\u00e1kov\u00e1, L.", "title": "Measurement of Two Phase Flow", "date": "2005", "keywords": "measurement; particle; size; steam; \ufffd \ufffd", "summary": "Np fr\ufffd \ufffd trough the following equation: \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd arcsin cos sin d z m m a 2 2 2 1 22 m \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd cos \ufffd 2 . After exhaustion of both chambers and fixation of both pressures, stopcock C is opened and the saturated steam flows through the overheater into the measurement area with lower pressure steam.", "mime": "application/pdf"}, {"id": "ap-718", "words": "4493", "extension": ".pdf", "flesch": "61", "author": "Coiro, D. P.; Marco, A. De; Nicolosi, F.; Melone, S.; Montella, F.", "title": "Dynamic Behaviour of the Patented Kobold Tidal Current Turbine: Numerical and Experimental Aspects", "date": "2005", "keywords": "blade; data; fig; model; pitch; tan \ufffd; turbine; \ufffd \ufffd", "summary": "For one blade and for the upwind actuator disk a a sen V V Cu u u Ru lu u zvu u( ) ( , ,Retan1 1 8 2 \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd ) ( ) ( , ,Re ) cos( ) tan tan tan \ufffd \ufffd \ufffd \ufffd \ufffd sen C C \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd u u du u zvu u u u mc u zvu u nu u zvu u c cer 4 4 ( , ,Re ) ( , ,Re ) ( ) tan tan\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd C x x \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd cos ( , ,Re ) ( ) tan \ufffd \ufffd \ufffd \ufffd zvu tu u zvu u c cer zvu C x x sen4 0 (5) For the downwind actuator disk ( )( ) ( ,tan 1 2 1 8 2 \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd a a a sen V V C d d u d Rd ld d z \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd vd d d d dd d zvd d d ,Re ) ( ) ( , ,Re ) cos( tan tan\ufffd \ufffd \ufffd \ufffd \ufffd sen C\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdtan tan tan ) ( , ,Re ) ( , ,Re ) ( d mc d i i N \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd C b 1 (10) I M I M I P zv1 h1 P zv h2 P zv (\ufffd\ufffd \ufffd\ufffd) (\ufffd\ufffd \ufffd\ufffd) (\ufffd\ufffd \ufffd\ufffd) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 2 3 \ufffd \ufffd \ufffd M I M h3 P zvn hn \ufffd (\ufffd\ufffd \ufffd\ufffd)\ufffd (11) 3 Airfoils and aerodynamic characteristics The rotor performances were tested using five airfoils: three symmetrical airfoils NACA 0012, 0015, 0018 and two cambered airfoils NACA 4415 and HLIFT18.", "mime": "application/pdf"}, {"id": "ap-7190", "words": "4876", "extension": ".pdf", "flesch": "56", "author": "Hevko, Roman; Zalutskyi, Sergii; Tkachenko, Ihor; Lyashuk, Oleg; Trokhaniak, Oleksandra", "title": "Design development and study of an elastic sectional screw operating tool", "date": "2021", "keywords": "conveyor; elastic; figure; grain; material; operating; screw; tool; transportation", "summary": "The works of [10, 11] are dedicated to the develop- ment of screw operating tools with an elastic surface and their theoretical and experimental research. Design scheme (A) and general view (B) of screw operating tool with overlapping elastic sections. (a).", "mime": "application/pdf"}, {"id": "ap-720", "words": "2625", "extension": ".pdf", "flesch": "64", "author": "Fo\u0161umpaur, P.; \u010cih\u00e1k, F.", "title": "Design and Optimization of a Turbine Intake Structure", "date": "2005", "keywords": "k \ufffd; pier; plant; scenario; \ufffd u; \ufffd \ufffd", "summary": "i i\ufffd \ufffd \ufffd \ufffd \ufffd 1 2 (1) and the continuity equation \ufffd \ufffdu 0 (2) where ui is the velocity vector component in the direction of the xi axis, \ufffd density \ufffdm3\ufffds\ufffd1], p hydrostatic pressure \ufffd \ufffdu 2 2 \ufffd \ufffd \ufffdC k2 (5) The k-\ufffd model contains the following constants, whose values are based on hydraulic model research: The above-specified equations for 2-D turbulent flow were approximated by the Finite Element Method in the FEMLAB computing environment.", "mime": "application/pdf"}, {"id": "ap-7211", "words": "4704", "extension": ".pdf", "flesch": "50", "author": "Franek, Ond\u0159ej; Jarsk\u00fd, \u010cen\u011bk", "title": "On reducing CO2 concentration in buildings by using plants", "date": "2021", "keywords": "air; co2; co2 concentration; concentration; environment; plants; ppm; supply", "summary": "Keywords: Carbon dioxide, climate change, indoor greening, indoor air quality, building ventilation. Can houseplants improve indoor air quality by removing CO2 and increasing relative humidity?", "mime": "application/pdf"}, {"id": "ap-722", "words": "3782", "extension": ".pdf", "flesch": "57", "author": "Macdonald, M.; Rhodes, J.", "title": "Finite Element Modelling of Cold Formed Stainless Steel Columns", "date": "2005", "keywords": "columns; material; section; steel; strain; stress; \ufffd \ufffd", "summary": "\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd E K E n , (1) where \ufffd \ufffd unit strain \ufffd \ufffd unit stress (N/mm2) E \ufffd modulus of elasticity (N/mm2) K and n are constants for a given curve, which are evaluated through two secant yield strength values for slopes of 0.7 E and 0.85 E. Equation (1) was modified by Hill 5.2 Compression tests In the experimental investigation a series of compression tests to failure were made on stainless steel columns of the lipped channel cross-section as described above.", "mime": "application/pdf"}, {"id": "ap-724", "words": "4775", "extension": ".pdf", "flesch": "49", "author": "Holick\u00fd, M.", "title": "Fuzzy Optimisation of Structural Performance", "date": "2005", "keywords": "cost; fig; performance; probability; \ufffd r; \ufffd \ufffd", "summary": "It is assumed that the objective function is given by the total cost C(\ufffd ) expressed approximately as a sum C C CD( ) ( ) ( )\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd0 , (3) where C0(\ufffd ) is given as the sum of the construction and maintenance cost, \ufffd(\ufffd)CD is the expected malfunction cost; here CD denotes the cost of full damage (full malfunction or serviceability failure) and \ufffd denotes the decision parameter (for example the mass per unit length or the cross section area). Note that for the standard deviation \ufffdS \ufffd 0.2 r1 the op- timum mean \ufffdS is in both cases considerably lower (from 0.8 r1 to 0.95 r1).", "mime": "application/pdf"}, {"id": "ap-7241", "words": "6168", "extension": ".pdf", "flesch": "67", "author": "Vok\u00e1l, Marek; Drahor\u00e1d, Michal", "title": "Load carrying capacity of masonry arch railway bridges at the serviceability limit state", "date": "2022", "keywords": "analysis; arch; bridges; calculation; figure; linear; load; masonry; model; non", "summary": "no. 2/2022 Load carrying capacity of masonry arch bridges at the SLS \u0394 Figure 1. no. 2/2022 Load carrying capacity of masonry arch bridges at the SLS 0 20 40 60 80 100 120 NelMat -0.15 -0.1 -0.05 0 0.05 0.1 0.15 e T h 4 F it eTh4Fit vs. NelMat fitted Figure 8.", "mime": "application/pdf"}, {"id": "ap-726", "words": "5205", "extension": ".pdf", "flesch": "47", "author": "Z\u00edtek, P.; Vyhl\u00eddal, T.", "title": "Model Based Control of Moisture Sorption in a Historical Interior", "date": "2005", "keywords": "air; control; humidity; model; moisture; t \ufffd; temperature; \ufffd \ufffd", "summary": "If x is the absolute humidity in kg of water per one kg of dry air, its value, corresponding to a certain given \ufffd and T, results, e.g., from the Magnus relationship (Camuffo, 1998), as follows x aT b T\ufffd \ufffd \ufffd \ufffd3795 10 103. ( )\ufffd , (4) where a \ufffd 7.5 and the additive temperature constant b \ufffd 237.3 \u00b0C. If a considerable change in relative humidity from \ufffd0 to \ufffd has occurred under x = const., the corresponding temperature change is relatively small, given as follows T T b T a0 0 0\ufffd \ufffd \ufffd \ufffd(log log )\ufffd \ufffd , (6) where, unlike (3), the decimal logarithm is used.", "mime": "application/pdf"}, {"id": "ap-7273", "words": "3528", "extension": ".pdf", "flesch": "67", "author": "Dittrich, Jaroslav", "title": "Measurement of a quantum particle position at two distant locations: a model", "date": "2022", "keywords": "detection; detectors; measurement; particle; quantum", "summary": "In the matrix notation C(t, r) = ( c00(t, r) c01(t, r) c10(t, r) c11(t, r) ) , E = ( E0 0 0 E1 ) , (11) F (r) = ( f00(r +R) f01(r +R) f10(r +R) f11(r +R) ) , (12) G(r) Denoting r \u2208 R the coordinate of the measured light particle (mass m), x \u2208 R the coordinate of the heavy particle in the left detector (mass M) and y \u2208 R that in the right detector (mass M), the free Hamiltonian (without an interaction of the measured particle and detectors) reads H0 = \u2212 \u210f2 2m\u22022 r \u2212 \u210f2 2M \u22022 x + V (x+R) \u2212 \u210f2 2M \u22022 y + V (y \u2212R) , (2) understood as a self-adjoint operator in the state space L2(R3) with the domain H2(R3).", "mime": "application/pdf"}, {"id": "ap-728", "words": "3314", "extension": ".pdf", "flesch": "56", "author": "Telfer, D.; Spencer, J.", "title": "Properties and Performance of a New Compact HF Aerial Design for Multi-Band Operation", "date": "2005", "keywords": "aerial; fig; mhz; nvis; pattern", "summary": "In practice, matching may be achieved using an ATU, e.g., at the transmitter end, but it is 14 \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ Acta Polytechnica Vol. 45 No. 4/2005 Czech Technical University in Prague a) b) c) d) e) f) Fig. 5: a) FF pattern at fd for DM aerial of Fig. 10: a) SWR plot, 7 to 7.1 MHz for DM aerial of Fig. 3, Zi \ufffd 50 ohms at 7.05 MHz; b) SWR spectrum, 5 MHz to 30 MHz for the DM aerial of Fig. 3, for Zi \ufffd 50 ohms at 7.05 MHz; c) predicted SWR spectrum, range 5 MHz to 30 MHz, of the BFDM aerial in Fig.", "mime": "application/pdf"}, {"id": "ap-7289", "words": "8833", "extension": ".pdf", "flesch": "59", "author": "Robert, Ubong Williams; Etuk, Sunday Edet; Agbasi, Okechukwu Ebuka; Umoren, Grace Peter; Akpan, Samuel Sunday; Nnanna, Lebe Agwu", "title": "Hydrothermally-calcined waste paper ash nanomaterial as an alternative to cement for clay soil modification for building purposes", "date": "2021", "keywords": "ash; building; cement; clay; clay soil; content; energy; hcwpan; journal; materials; paper; properties; samples; soil; strength; waste; water; \u00b1 \u00b1", "summary": "Particulars Materials Clay soil HCWPAN Cement Used form Dry Dry/powdery Dry/powdery Static angle of repose (29.4 \u00b1 0.1)\u00b0 (41.4 \u00b1 0.3)\u00b0 (39.8 \u00b1 0.1)\u00b0 Acta Polytechnica Chemical constituents Proportion (% wt) per material used Name Formula Clay soil HCWPAN Cement (PLC)", "mime": "application/pdf"}, {"id": "ap-7291", "words": "7146", "extension": ".pdf", "flesch": "56", "author": "Ag\u00e1rdi, Anita; Kov\u00e1cs, L\u00e1szl\u00f3; B\u00e1nyai, Tam\u00e1s", "title": "Comparision of the walk techniques for fitness state space analysis in vehicle routing problem", "date": "2021", "keywords": "average; crossover; fitness; fitness distances; fitness values; hamming; hamming distances; problem; sequence distances; solution; swap sequence; walk", "summary": "The Timetabling Problem landscape is determined by the following techniques: fitness distance correla- tion, autocorrelation The relationship between fitness values and average of fitness distances to other solutions in the case of 2-opt operator Figure 9.", "mime": "application/pdf"}, {"id": "ap-7295", "words": "5115", "extension": ".pdf", "flesch": "47", "author": "Anto\u0161ov\u00e1, Na\u010fa; \u0160\u0165astn\u00fd, Patrik; Petro, Marek; Kri\u0161tofi\u010d, \u0160tefan", "title": "Application of additional insulation to ETICS on surfaces with biocorrosion", "date": "2021", "keywords": "etics; experiment; gap; humidity; insulation; layer; microorganisms; results; samples; surface; temperature", "summary": "An effective solu- tion for eliminating microorganisms on the surface of insulation systems can be a new radical technology combined with the repair of existing ETICS construc- tion, i. e., the technology of DOUBLE ETICS. The aim was to investigate the possibility of applying double insulation onto the original ETICS, after recording the existing condi- tions in the layers of DOUBLE ETICS which could have an impact on the survival and development of biocorrosion on the original facade.", "mime": "application/pdf"}, {"id": "ap-730", "words": "4426", "extension": ".pdf", "flesch": "66", "author": "Mitchell, A. J.; McGookin, E. W.; Murray-Smith, D. J.", "title": "Implementation of Sliding Mode Observer Based Reconfiguration in an Autonomous Underwater Vehicle", "date": "2005", "keywords": "auv; control; fig; heading; reconfiguration; sensor; system; \ufffd c; \ufffd \ufffd", "summary": "\ufffd \ufffd\ufffd \ufffd ( ) ( ) ( ) (\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd M C D J M g1 10 0 \ufffd \ufffd) ( ) 0 0 \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd M B u 1 (1) where \ufffd \ufffd\ufffd \ufffd u v w p q r T, \ufffd \ufffd\ufffd \ufffd X Y Z \ufffd \ufffd \ufffd T, \ufffd \ufffdu \ufffd \ufffd \ufffdr s n T, B(\ufffd) is the nonlinear input matrix, C(\ufffd) is the matrix of Coriolis and Centripetal terms, D(\ufffd) is the damping matrix, g(\ufffd) is the vector of gravitational and buoyancy forces and moments, J(\ufffd) is the Euler transformation matrix, and M is the mass and inertia matrix. \ufffd \ufffd \ufffd \ufffdr c\ufffd , (7) \ufffd \ufffdM C D g B u\ufffd ( )\ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd( ) ( )r r r+ , (8) \ufffd ( )\ufffd \ufffd \ufffd\ufffd J .", "mime": "application/pdf"}, {"id": "ap-732", "words": "4242", "extension": ".pdf", "flesch": "54", "author": "Walker, J. A.; Cossar, C.; Miller, T. J. E.", "title": "Simulation and Analysis of Magnetisation Characteristics of Interior Permanent Magnet Motors", "date": "2005", "keywords": "axis; bridges; current; flux; linkage; rotor; test", "summary": "Keywords: permanent magnet, finite element method, flux-linkage measurement, rotor bridges. Test motor 2 has been modelled with the original rotor design (rotor bridges are the same material as the rotor bars), with the bridges at half the \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ 29 Czech Technical University in Prague Acta Polytechnica Vol. 45 No.", "mime": "application/pdf"}, {"id": "ap-7335", "words": "3590", "extension": ".pdf", "flesch": "63", "author": "Adeshara, Jatinkumar V.; Patel, Hardik P.; Deheri, Gunamani B.; Patel, Rakesh M.", "title": "Performance of a hydromagnetic squeeze film on a rough circular step bearing: a comparision of different porous structures", "date": "2022", "keywords": "figure; film; load; model; squeeze", "summary": "Hydromagnetic squeeze film in rough truncated conical plates, using the Kozeny-Carman-model-based spongy structure, was discussed by Adeshara et al. In this article, it has been sought to study and analyse the performance of hydromagnetic squeeze film on a rough circular step bearing with inclusion of two different porous structures: Kozeny-Carman and Irmay\u2019s model.", "mime": "application/pdf"}, {"id": "ap-734", "words": "3775", "extension": ".pdf", "flesch": "48", "author": "B\u00edla, J.; Tlap\u00e1k, M.", "title": "Ontologies and Formation Spaces for Conceptual ReDesign of Systems", "date": "2005", "keywords": "conceptual; design; knowledge; language; ontologies; ontology; pneu; principles; state; systems", "summary": "One possible functional structure is described by the following expression x: x \ufffd FAct(PNEU\ufffdPrinc1(Trans\ufffdPrinc2(ChCarr AND ChValV AND Transms AND ChBeh) AND Contr\ufffdPrinc2(Analog) AND Cnstr\ufffdPrinc2(Shape) AND ME\ufffdPrinc1(Agg\ufffdPrinc2(Accum) AND Trans\ufffdPrinc2(ChCarrV AND ChBeh) AND Contr\ufffdPrinc2(Analog) AND R-Eff\ufffdPrinc2(Bearing) AND Cnstr\ufffdPrinc2(Separ AND Fix AND Shape) ) The field which promises the necessary improvements in modelling the semantics is the field of ontologies.", "mime": "application/pdf"}, {"id": "ap-7340", "words": "3192", "extension": ".pdf", "flesch": "54", "author": "Rostova, Hanna; Voyevodin, Victor; Vasilenko, Ruslan; Kolodiy, Igor; Kovalenko, Vladimir; Marinin, Vladimir; Zuyok, Valeriy; Kuprin, Alexander", "title": "Cavitation wear of Eurofer 97, Cr18Ni10Ti and 42HNM alloys", "date": "2021", "keywords": "42hnm; alloy; cavitation; cr18ni10ti; erosion; eurofer; materials; resistance; samples; steel; wear", "summary": "Keywords: Cavitation erosion, wear, steel, hardness, structure, resistance. Cavitation erosion can carry away an amount of metal no lesser than corrosion; hence, the importance of studies on cavitation resistance, which will reduce metal losses and increase the durability and reliability of parts and devices, is obvious.", "mime": "application/pdf"}, {"id": "ap-7341", "words": "6255", "extension": ".pdf", "flesch": "56", "author": "Mar\u00edn Vel\u00e1squez, Tom\u00e1s Dar\u00edo; Arriojas Tocuyo, Dany Day Josefina", "title": "Analysis of factors affecting the efficiency of Jatropha curcas oil as an asphaltene stabiliser", "date": "2022", "keywords": "aii; asphaltene; crude; curcas; curcas oil; dose; efficiency; heating; oil; results; sample; temperature", "summary": "The efficiency of J. curcas oil and the influence of the type of crude oil on the results obtained were demonstrated. However, the de- tailed molecular composition of asphaltenes remains unknown in many cases, which is because crude oil is made up of millions of different organic molecules and asphaltenes are the most complex of all [4].", "mime": "application/pdf"}, {"id": "ap-7346", "words": "7463", "extension": ".pdf", "flesch": "62", "author": "Assaad, Joseph J.; Mata, Matthew; Saade, Jad", "title": "Effect of pigments on bond strength between coloured concrete and steel reinforcement", "date": "2022", "keywords": "bond; cement; concrete; effect; figure; mixtures; pigments; properties; steel; strength; tio2", "summary": "[% of cement] Slump [mm] Air content [%] Density [kg/m]3 L a b \u2206(E) 350-Control 2.6 205 2.8 2320 67.8 5.6 19.3 \u2013 350-Red-1.5 % 2.6 205 n/a 2315 55.2 12.8 12.9 15.8 350-Red-3 % 2.9 200 2.7 2330 51.9 16.1 10.6 21.0 350-Red-4.5 % 3.2 200 2.9 2375 44.4 19.8 12 28.3 350-Grey-1.5 % 2.7 195 n/a 2330 61.9 2.2 12.4 9.6 350-Grey-3 % 2.9 205 3.1 2360 58.4 0.8 7.2 16.0 350-Grey-4.5 % 3.1 205 n/a 2350 49.4 -0.1 4.0 24.6 350-TiO2-1.5 % 2.7 210 n/a 2310 72.0 5.3 19.8 4.3 350-TiO2-3 % 3.0 210 3 2340 71.9 5.4 19.7 4.2 350-TiO2-4.5 % 3.1 195 2.9 2380 76.3 4.4 17.9 8.7 350-CBlack-1.5 % 2.9 190 n/a 2350 42.4 -0.2 -0.2 32.5 350-CBlack-3 % 3.5 195 3.2 2340 42.2 -0.5 -0.7 33.0 350-CBlack-4.5 % 3.6 205 3.4 2390 31.0 -0.05 -1.2 42.4 450-Control 2.4 205 3 2345 68.3 5.7 19.1 \u2013 450-Red-3 % 2.5 210 3.1 2385 48.8 19.0 10.8 25.0 450-Grey-3 % 2.8 200 3 2385 56.2 0.58 6.9 17.9 450-TiO2-3 % 2.7 200 2.8 2405 77.1 5.1 19.1 8.9 450-CBlack-3 % 3.2 205 3.5 2415 41.9 -0.4 -0.8 33.6 The mix codification refers to cement content-Pigment type-Pigment dosage. To the other end, the magenta chromatic intense (i.e., a-value) varied from 5.55 to 16.1 for the 350-Control and 350-Red-3 % mixtures, respectively, while in contrast, the highest b-value of 19.75 corresponded to the 350-TiO2-1.5 % mix.", "mime": "application/pdf"}, {"id": "ap-7354", "words": "7090", "extension": ".pdf", "flesch": "67", "author": "Haouam, Ilyas", "title": "Dirac oscillator in dynamical noncommutative space", "date": "2021", "keywords": "dirac; energy; oscillator; space", "summary": "= E (0) \u2212 + E (0) + 2 \u00b1 \u221a\u221a\u221a\u221a(E(0) \u2212 \u2212 E (0) + )2 4 + \u03bb2 |W12|2. Supposing that \u03bb |W12| is small as compared to relevant energy scale, so that the difference of the energy eigenvalues of the unperturbed system equals \u03bb |W12| < \u2223\u2223\u2223E(0) \u2212 \u2212 E (0) + \u2223\u2223\u2223 .", "mime": "application/pdf"}, {"id": "ap-736", "words": "14992", "extension": ".pdf", "flesch": "53", "author": "Peebles, C.; Bil, C.; Drack, L.", "title": "Intelligent Data Storage and Retrieval for Design Optimisation \u2013 an Overview", "date": "2005", "keywords": "acm; algorithms; applications; compression; computer; czech; data; database; design; engineering; knowledge; methods; models; object; optimisation; query; search; space; system; technical; university; usa; use; vol", "summary": "5 Compression of design space data With the increasing complexity of design data, and the more widespread use of complex data types such as volumet- ric, spatial and high-resolution imaging, data compression is becoming very important for adequate storage of large volumes of data. Such a system would be capable of efficiently storing (and compressing if required) a range of types of design data into an intelligent database.", "mime": "application/pdf"}, {"id": "ap-738", "words": "3590", "extension": ".pdf", "flesch": "49", "author": "Crosbie, R. E.; Hingorani, N. G.", "title": "High-Speed Real-Time Simulators for Engineering Design", "date": "2005", "keywords": "design; frame; hsrt; power; processors; simulation; system; time", "summary": "RTDS Technologies (Ref [4]) specialize in providing simulation systems customized to specific, large-scale power system simulations. Simulation of a very rapid phenome- non, such as the operation of electronic switches, will execute more slowly than real time to allow observation of the changes taking place.", "mime": "application/pdf"}, {"id": "ap-740", "words": "5272", "extension": ".pdf", "flesch": "51", "author": "Ericsen, T. S.", "title": "Physics Based Design, the Future of Modeling and Simulation", "date": "2005", "keywords": "blocks; building; design; model; pebb; physics; power; requirement; simulation; system", "summary": "The future system design process It is time for system design, particularly Naval Ship de- sign, to evolve. The idea of open plug-and-play architecture is to build power systems in much the same way as personal computers.", "mime": "application/pdf"}, {"id": "ap-742", "words": "2398", "extension": ".pdf", "flesch": "53", "author": "Hrouzek, M.", "title": "Feedback Control in an Atomic Force Microscope Used as a Nano-Manipulator", "date": "2005", "keywords": "afm; cantilever; control; fig; force; noise", "summary": "In the tapping mode, the tip is touches the surface in each period of cantilever movement at its maximum deflection to- \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ 65 Czech Technical University in Prague Acta Polytechnica Vol. 45 No. 4/2005 Feedback Control in an Atomic Force Microscope Used as a Nano-Manipulator M. Hrouzek This paper offers a concise survey of the most commonly used feedback loops for atomic force microscopes. 6 shows control loops affecting the sensitivity of the AFM.", "mime": "application/pdf"}, {"id": "ap-744", "words": "3262", "extension": ".pdf", "flesch": "67", "author": "Coiro, D. P.; Marco, A. de; Nicolosi, F.; Genito, N.; Figliolia, S.", "title": "Design of a Low-Cost Easy-to-Fly STOL Ultralight Aircraft in Composite Material", "date": "2005", "keywords": "aircraft; fig; maximum; \ufffd \ufffd", "summary": "2: Take off ground run STOG versus take off parameter TOP chosen, based on the criteria for keeping the wing area as small as possible (mainly for cost reasons) and using ap- propriate values of maximum take off and landing lift coef- ficient ((W/S)TO \ufffd 324 N/m2, S \ufffd 13.6 m2, CLmaxTO \ufffd 2.45, CLmaxL \ufffd 3.12). Altitude. \ufffd, \ufffd0 Density, density at sea level.", "mime": "application/pdf"}, {"id": "ap-7440", "words": "5849", "extension": ".pdf", "flesch": "54", "author": "Agustina, Tuty Emilia; Gayatri, Rianyza; Bahrin, David; Moeksin, Rosdiana; Gustini", "title": "ZnO-Zeolite nanocomposite application for photocatalytic degradation of procion red and its adsorption isotherm", "date": "2022", "keywords": "adsorption; degradation; dye; isotherm; light; nanocomposite; process; procion; red; sunlight; zeolite; zeolite nanocomposite; zno", "summary": "In this paper, the photocatalytic degradation of procion red dye, one of the most frequently used dyes in the textile industry, was studied. The objective of the research is to study the ZnO-Zeolite nanocomposite application to degrade procion red dye by using different irradiation sources.", "mime": "application/pdf"}, {"id": "ap-746", "words": "4915", "extension": ".pdf", "flesch": "47", "author": "Avanzini, G.; D\u2019Angelo, S.; Matteis, G. de", "title": "Design and Development of the Engine Unit for a Twin-Rotor Unmanned Aerial Vehicle", "date": "2005", "keywords": "configuration; control; czech; design; engine; flight; model; rotor; system; technical; university; vehicle", "summary": "5 Control system rapid prototyping After the realization of the rotor assembly and of the three-engine unit, which were separately ground tested, as reported in [4], ground testing of the whole engine/rotor sys- tem, coupled with the on-board computer for engine and rotor rpm control, will offer the first test benchmark for the control system software. As for the last point, details will be given on the control system for engine rpm control currently being tested on the vehicle prototype.", "mime": "application/pdf"}, {"id": "ap-748", "words": "5416", "extension": ".pdf", "flesch": "64", "author": "McGeoch, D. J.; McGookin, E. W.; Houston, S. S.", "title": "Sliding Mode Implementation of an Attitude Command Flight Control System for a Helicopter in Hover", "date": "2005", "keywords": "attitude; control; controller; dynamics; fig; pitch; response; roll; system; yaw; \ufffd \ufffd", "summary": "The switching term drives the systems when subjected to dis- turbance or commands, defined by the sliding surface, \ufffd, which is represented as [16, 17] \ufffd( ) ( )\ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdx h x h x xT T cmd , ( This defines a state space system given by: x Ax Bu\ufffd \ufffd (1) \ufffd \ufffdx T\ufffd u v w p q r \ufffd \ufffd \ufffd , (2) \ufffd \ufffdu T\ufffd \ufffd \ufffd \ufffd \ufffd\ufffd 1 1 0s c tr , (3) where, A is the system derivative matrix, B is the control deriv- ative matrix, u (surge), v (sway) and w (heave) are the veloci- ties in the body referenced x, y, and z axes respectively, with the rotational velocities p (roll rate), q (pitch rate), and r (yaw rate), and attitudes \ufffd (roll), \ufffd (pitch) and \ufffd (yaw) about those axes.", "mime": "application/pdf"}, {"id": "ap-7491", "words": "4972", "extension": ".pdf", "flesch": "65", "author": "Boudouda, Aimad; Boudjerda, Nasserdine; Nafa, Fares", "title": "Analysis of output voltage ripple for dual randomized PWM buck converter operating in continuous and discontinuous conduction modes", "date": "2022", "keywords": "ccm; current; dcm; output; psd; rcfm; rppm; scheme; voltage", "summary": "The RPPM and RCFM schemes give the lowest voltage ripple in DCM and CCM, respectively, which further decreases as the duty cycle \u201cd\u201d increases. RPPM scheme.", "mime": "application/pdf"}, {"id": "ap-750", "words": "5836", "extension": ".pdf", "flesch": "65", "author": "Zanic, V.; Prebeg, P.", "title": "Primary Response Assessment Method for Concept Design of Monotonous Thin-Walled Structures", "date": "2005", "keywords": "d \ufffd; e e; e \ufffd; stress \ufffd; u \ufffd; z \ufffd; \ufffd c; \ufffd f; \ufffd t; \ufffd x; \ufffd xs; \ufffd y; \ufffd \ufffd", "summary": "The shear stress distribution can be calculated more ac- curately along the element (similar to the bending case) from the known element average stress \ufffdxs ke( )2 , the direction of shear stress flow, local element contribution \ufffd2( )s and its average \ufffd2 ke using expression \ufffd \ufffd \ufffd \ufffdxs e xs ke kes s ( ) ( ) ( ) ( ) 2 2 2 2\ufffd \ufffd \ufffd . If necessary, it is possible to calculate shear stress distribution \ufffdxs e s( ) more accurately, from the mean stress \ufffdxs ke obtained from FEM, and the contribution to each element calculated analyt- ically \ufffd \ufffd\ufffd \ufffd \ufffd \ufffdxs e u xs ke u u ke us s( ) ( ) ( )\ufffd \ufffd \ufffd1 1 u \ufffd y or z from expres- sion (for symmetrical section): \ufffd \ufffd\ufffdxs", "mime": "application/pdf"}, {"id": "ap-7512", "words": "3151", "extension": ".pdf", "flesch": "56", "author": "Akka, Amine; Benabdelouahab, Farid; Yerrou, Randa", "title": "Low earth orbit nanosatellite: influence of heat dissipation on passive thermal analysis", "date": "2022", "keywords": "analysis; case; conditions; control; earth; heat; nanosatellite; radiation; temperature", "summary": "A simple shape of nanosatellites will narrow the range of tem- peratures experienced by internal components, and also outer irradiance coming from the Sun and the Earth if absorptance \u03b1 and emissivity \u03f5, which are the primary means of passive thermal control, are well-chosen, depending on the material used [8\u201314]. Nanosatellite case study: Issue of heat dissipation across passive thermal analysis.", "mime": "application/pdf"}, {"id": "ap-7515", "words": "4005", "extension": ".pdf", "flesch": "61", "author": "Dibyo, Sukmanto; Luthfi, Wahid; Pinem, Surian; Irianto, Ign Djoko; Sriwardhani, Veronica Indriati", "title": "CFD simulation of partial channel blockage on plate-type fuel of TRIGA-2000 conversion reactor core", "date": "2022", "keywords": "blockage; channel; coolant; figure; flow; fuel; plate; reactor; temperature; type", "summary": "Heat transfer analysis of plate type fuel element of reactor core. Channel blockage conditions can occur due to bending or swelling of fuel plates, caused by other material falling into the reactor pool, or debris carried by the coolant flow", "mime": "application/pdf"}, {"id": "ap-752", "words": "2243", "extension": ".pdf", "flesch": "65", "author": "Poul, R.; Hanus, D.", "title": "Composite Axial Flow Propulsor for Small Aircraft", "date": "2005", "keywords": "blade; composite; fan; fig; rotor; \ufffd \ufffd", "summary": "The air deflection is then: \ufffd \ufffd \ufffd\ufffd 1 2 The proper blade/vane density is chosen according to Fig. 4: Scheme of VARTM 4 Loads applied to rotor blades A rotor blade is loaded by a centrifugal force, resulting in a tensional force and a torsional moment acting in the blade axis direction, and by air pressure, which induces bending moments acting in the fan tangential and axial direction.", "mime": "application/pdf"}, {"id": "ap-7523", "words": "5008", "extension": ".pdf", "flesch": "64", "author": "Nguyen, Danh Huy; Vu, Minh Le; Trong , Hieu Do; Nguyen, Danh Giang; Nguyen, Tung Lam", "title": "Active disturbance rejection control-based anti-coupling method for conical magnetic bearings", "date": "2022", "keywords": "bearing; conical; control; current; position; rotor; system", "summary": "Conical magnetic bearings with radial and thrust control. Fuzzy modeling and control for conical magnetic bearings using linear matrix inequality.", "mime": "application/pdf"}, {"id": "ap-754", "words": "2375", "extension": ".pdf", "flesch": "51", "author": "Ka\u0148ovsk\u00fd, P.; Smrcek, L.; Goodchild, C.", "title": "Simulation of UAV Systems", "date": "2005", "keywords": "autopilot; czech; design; fig; model; sensor; system; technical; uav; \ufffd \ufffd", "summary": "\ufffd \ufffd\ufffd \ufffd \ufffdL 1 2 2\ufffd (1) Moment equations \ufffd , \ufffd p I [3, 4]: Force equations \ufffd sin \ufffd u qw rv C V S m T m g v ru pw C V S m \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd D LF 1 2 1 2 2 2 \ufffd \ufffd \ufffd\ufffd T m g w qu pv C V S m T m g \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd cos sin \ufffd cos cos .", "mime": "application/pdf"}, {"id": "ap-7559", "words": "5471", "extension": ".pdf", "flesch": "56", "author": "Franek, Michal; Bielek, Boris; Mac\u00e1k, Marek; Klem, Josip", "title": "Functional aerodynamics and its influence on the energy and thermal mode of a naturally ventilated double-skin transparent fa\u00e7ade", "date": "2022", "keywords": "aerodynamic; air; building; cavity; dstf; energy; fa\u00e7ade; figure; flow; skin; wind", "summary": "More modern works include computational fluid dynamics models, which can calculate airflow in DSTF cavity more accurately as compared to abovementioned mod- els 6. Conclusions The theory and practice of natural physical cavities is a very significant area of the future fa\u00e7ade technologies of intelligent buildings.", "mime": "application/pdf"}, {"id": "ap-756", "words": "2452", "extension": ".pdf", "flesch": "55", "author": "Dost\u00e1l, M.; Zym\u00e1k, J.; Valach, M.", "title": "Physical and Numerical Difficulties in Computer Modelling of Pellet-Cladding Contact Problems for Burned-Up Fuel", "date": "2005", "keywords": "cladding; contact; czech; fig; fuel; pellet", "summary": "The age of high- -speed computers has brought a qualitative change into the analysis of contact problems. Where, when, how and in what detail do we have to predict and model it? 2 Mathematical description of the problem \u2013 unilateral contact Mathematical modelling of unilateral contact problems is a new area in applied mathematics.", "mime": "application/pdf"}, {"id": "ap-758", "words": "6673", "extension": ".pdf", "flesch": "62", "author": "Filipsk\u00e1, H.; \u0160tamberg, K.", "title": "Mathematical Modeling of a Cs(I) \u2013 Sr(II) \u2013 Bentonite \u2013 Magnetite Sorption System, Simulating the Processes Taking Place in a Deep Geological Repository", "date": "2005", "keywords": "exp \ufffd; h \ufffd; m \ufffd; sites \ufffd; \ufffd f([h; \ufffd ks; \ufffd na; \ufffd q; \ufffd soh; \ufffd sr; \ufffd x; \ufffd \ufffd", "summary": "(71) Balance equation of the total concentration of Sr(II) in the so- lution, [\ufffdSr]solution, including the precipitate: \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdSr Sr SrCO SrNO SrSO SrCO solution 2 3 3 4 3 \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd0 0 . (15) corresponding to the function QES \ufffd f([H\ufffd]): SO H SOH\ufffd \ufffd\ufffd \ufffd 0, \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd KS1 SOH SO H \ufffd \ufffd\ufffd \ufffd 0 , (12) SOH H SOH2 +0 \ufffd \ufffd\ufffd , \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd KS2 SOH SOH H 2 + \ufffd \ufffd \ufffd0 , (13) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffdSOH SOH SOH SO2 +\ufffd \ufffd \ufffd \ufffd0 , (14) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd Q KS KS KS KS KS ES SOH 1 2 H 1 H 1 2 H \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd 2 2 1 1 \ufffd \ufffd", "mime": "application/pdf"}, {"id": "ap-7583", "words": "12573", "extension": ".pdf", "flesch": "77", "author": "Saad, Nasser", "title": "On generalized Heun equation with some mathematical properties", "date": "2022", "keywords": "differential; equation; k +; polynomial; \u03b21 r; \u2212 \u221a", "summary": "\u2212 s(\u03b13(s \u2212 1) + \u03b22) + \u03b51 (\u03b11(s + 1) + \u03b20)(s + 2) = P2;s(\u03b50) \u2212 k ((k \u2212 1)\u03b11 + \u03b20) \u00d7 ((k \u2212 1)(k \u2212 2)\u03b13 + (k \u2212 1)\u03b22 + \u03b51)Pk\u22121(\u03b50), (75) initiated with P\u22121(\u03b50)", "mime": "application/pdf"}, {"id": "ap-7591", "words": "6205", "extension": ".pdf", "flesch": "67", "author": "H\u00fcseynli, Alisettar; \u015eim\u015fek, Mehmet; Akcayol, M. Ali", "title": "Improving QoS in mobile multimedia streaming with SCTP-PQ", "date": "2023", "keywords": "chunks; control; data; data chunks; delay; frames; level; multimedia; packets; priority; protocol; queue; sctp; streaming", "summary": "As can be seen in Figures 8a, 8b and 8c, SCTP- PQ has a more stable and much lower IPDV than standard SCTP for the first and second priority level data chunks. The developed protocol has been extensively tested and compared with SCTP.", "mime": "application/pdf"}, {"id": "ap-7596", "words": "5343", "extension": ".pdf", "flesch": "51", "author": "Campoamor-Stursberg, Rutwig", "title": "On some algebraic formulations within universal enveloping algebras related to superintegrability", "date": "2022", "keywords": "algebra; algebraic; enveloping; hamiltonian; lie; operators; realization; systems", "summary": "In this work we comment on some purely alge- braic approaches formulated in the enveloping algebras of Lie algebras for the identification or construction of quadratic algebras that may lead to super-integrable systems, once a suitable realization of the enveloping algebra by first-order differential operators has been chosen. We report on some recent purely algebraic approaches to superintegrable systems from the perspective of subspaces of commuting polynomials in the enveloping algebras of Lie algebras that generate quadratic (and eventually higher-order) algebras.", "mime": "application/pdf"}, {"id": "ap-760", "words": "5789", "extension": ".pdf", "flesch": "72", "author": "Bal\u00e1\u017ei, P.", "title": "Various Properties of Sturmian Words", "date": "2005", "keywords": "s \ufffd; sturmian; w \ufffd; words; x \ufffd; z \ufffd; \ufffd \ufffd", "summary": "Using this fact we can write \ufffd\ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd, ( , ] { : }\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd1 x n n n Zn , thus the elements of \ufffd\ufffd \ufffd \ufffd \ufffd, ( , ]\ufffd1 form an increasing se- quence ( )xn n Z\ufffd . \ufffd is a Sturm number, 2. \ufffd \ufffd\ufffdQ( ), 3. \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd1 or 1 \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd , where \ufffd\ufffd is the image of \ufffd under the Galois automorphism of the quadratic field Q( )\ufffd .", "mime": "application/pdf"}, {"id": "ap-7611", "words": "3437", "extension": ".pdf", "flesch": "70", "author": "Kulshreshtha, Daya Shankar; Kulshreshtha, Usha", "title": "On the Wess-Zumino Model: a supersymmetric field theory", "date": "2022", "keywords": "spinor; supersymmetry; theory; wzm", "summary": "The canonical Hamiltonian density of the theory is obtained as: Hc =(\u22020A) \u03a0A + (\u22020B) \u03a0B + (\u22020\u03c8\u03b1) \u03c0\u03b1 + (\u22020\u03c8\u0304\u03b1) \u03c0\u0304\u03b1 \u2212 LB \u2212 LF (41) Supergravity theory on the other hand is a theory that has \u201clocal supersymmetry\u201d and it is invariant under local Susy transformations where the transformation parameter depends on the spacetime x\u00b5.", "mime": "application/pdf"}, {"id": "ap-7618", "words": "6319", "extension": ".pdf", "flesch": "60", "author": "Jen\u00edkov\u00e1, Jitka; Michalikov\u00e1, Krist\u00fdna; Hrdli\u010dka, Franti\u0161ek; Hrdli\u010dka, Jan; Pila\u0159, Luk\u00e1\u0161; Vodi\u010dka, Mat\u011bj; Skopec, Pavel", "title": "Applicability of Secondary Denitrification Measures on a Fluidized Bed Boiler", "date": "2022", "keywords": "agent; bed; boiler; combustion; denitrification; gas; measures; method; nox; reduction; scr; sncr; temperature", "summary": "Formation of NOX emissions There are three known mechanisms of nitrogen oxides formation in combustion processes [2\u20134]: \u2022 thermal NOX \u2013 oxidation of molecular nitrogen from the oxidant at high temperatures, known as the Zeldovich mechanism, \u2022 fuel NOX \u2013 oxidation of chemically bound nitrogen in solid fuels, 341 https://doi.org/10.14311/AP.2022.62.0341 https://creativecommons.org/licenses/by/4.0/ https://www.cvut.cz/en J. Jen\u00edkov\u00e1, K. Michalikov\u00e1, F. Hrdli\u010dka et al. *BAT-AELs (mg/Nm3) for NOX emissions from combustion of black and/or brown coal into the atmosphere for the new combustion plants with the total rated thermal output < 100 MWth of 100\u2013150 mg/mN 3 [23]. for the SNCR due to the properties of ammonia, which has very strict storage rules, and therefore is not used in large industrial plants for the SNCR method.", "mime": "application/pdf"}, {"id": "ap-7619", "words": "6502", "extension": ".pdf", "flesch": "60", "author": "Vodi\u010dka, Mat\u011bj; Michalikov\u00e1, Krist\u00fdna; Hrdli\u010dka, Jan; Skopec, Pavel; Jen\u00edkov\u00e1, Jitka", "title": "Experimental verification of the impact of the air staging on the NOx production and on the temperature profile in a BFB", "date": "2022", "keywords": "air; bed; bfb; case; combustion; facility; freeboard; gas; kwth; nox; temperature", "summary": "For coal combustion, no positive impact of staged injec- tion of combustion air was observed in the 30 kWth facility. NOX emissions from bubbling fluidized bed combustion of lignite coal.", "mime": "application/pdf"}, {"id": "ap-762", "words": "3691", "extension": ".pdf", "flesch": "72", "author": "Ambro\u017e, P.", "title": "Non-Standard Numeration Systems", "date": "2005", "keywords": "\ufffd -expansion; \ufffd l; \ufffd z; \ufffd \ufffd", "summary": "Let \ufffd > 1 satisfy Property (T), and suppose that for every minimal forbidden string ukuk\ufffd1\u2026u0 we have the following condition: If vnvn\ufffd1\u2026v is the lexicographically greater string of (T) corresponding to ukuk\ufffd1\u2026u0 then v v v u u un n k k\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd1 1 0\ufffd \ufffd\ufffd . L n x y xy xy n \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd( ): min{ | , , ( ) }\ufffd \ufffd \ufffd\ufffd \ufffdN Z ZFin .", "mime": "application/pdf"}, {"id": "ap-7620", "words": "5965", "extension": ".pdf", "flesch": "53", "author": "Krempask\u00fd, Jakub; Havl\u00edk, Jan; Dlouh\u00fd, Tom\u00e1\u0161", "title": "Theoretical and experimental study of water vapour condensation with high content of non-condensable gas in a vertical tube", "date": "2022", "keywords": "air; condensation; condenser; film; heat; htc; mass; mixture; transfer; vapour; water; water vapour", "summary": "Experiments to determine the effect of NCG on water vapour condensation have been per- formed, so far, for an artificially prepared mixture of water vapour and air, also because of the availabil- ity of relevant literature references. [5] conducted an experimental and the- oretical study of water vapour condensation in the presence of air in a vertical tube.", "mime": "application/pdf"}, {"id": "ap-7623", "words": "3149", "extension": ".pdf", "flesch": "69", "author": "Kulshreshtha, Usha; Kulshreshtha, Daya Shankar; Sihagb, Bheemraj", "title": "Maxwell-Chern-Simons-Higgs theory", "date": "2022", "keywords": "field; gauge; hamiltonian; higgs; term; theory", "summary": "\u2212 y1)\u03b4(x2 \u2212 y2) \u2212 y1)\u03b4(x2 \u2212 y2) (\u03a0) {\u03a6(x0, x1, x2) , \u03a6\u2217(x0, y1, y2)}D = (\u2212\u03a6\u2217)\u03b4(x1 \u2212 y1)\u03b4(x2 \u2212 y2) (\u03a0) {\u03a6(x0, x1, x2) , A0(x0, y1, y2)}D = (\u03a6) \u03b4(x1 \u2212 y1)\u03b4(x2 \u2212 y2) (ie\u03a0) {\u03a6(x0, x1, x2) , A1(x0, y1, y2)}D = \u22021\u03b4(x1 \u2212 y1)\u03b4(x2 \u2212 y2) (ie\u03a0) {\u03a6(x0, x1, x2) , A2(x0, y1, y2)}D = \u03b4(x1 \u2212 y1)", "mime": "application/pdf"}, {"id": "ap-7627", "words": "4448", "extension": ".pdf", "flesch": "57", "author": "Bui, Cuong Mai; Phan, Nguyen Duy Minh; Tran, Ngo Quoc Huy; Doan, Le Anh; Vo, Quang Truong; Tran, Duy Chung; Nguyen, Thi Thanh Vi; Nguyen, Duc Long; Huynh, Van Sanh; Ho, Tran Anh Ngoc", "title": "Disinfection performance of an ultraviolet lamp: a CFD investigation", "date": "2022", "keywords": "bactericidal; disinfection; figure; intensity; lamp; rate; virus", "summary": "UV intensity distribution along the char- acteristic line. [W] I UV intensity [W/m2] I0 Initial UV intensity", "mime": "application/pdf"}, {"id": "ap-7630", "words": "5294", "extension": ".pdf", "flesch": "60", "author": "\u0160vanda, Ond\u0159ej; Pollert, Jaroslav", "title": "CFD modelling of a secondary settling tanks: generalization based on database relations", "date": "2022", "keywords": "cfd; concentration; data; flow; model; sedimentation; settling; sludge; solids; solids concentration; sst; tank", "summary": "This is very important to notice as this is actually the cumber stone of sludge settling models \u2013 they are fitted on very limited set of data representing usually only one flow condition. That significantly simplifies the preparation work to run a CFD simulation of the SST and more impor- tantly, it expands the usage of CFD settling model outside the batch test specific WWTP.", "mime": "application/pdf"}, {"id": "ap-7633", "words": "3939", "extension": ".pdf", "flesch": "57", "author": "Hahn, Gabriela; Monteiro da Fonseca Thom\u00e9 da Silva, Ant\u00f4nio Henrique; Tempel Stumpf, Felipe; Marcos Guilherme, Carlos Eduardo", "title": "Evaluation of residual strength of polymeric yarns subjected to previous impact loads", "date": "2022", "keywords": "impact; load; materials; pet; samples; strength; tensile; tests; ybl", "summary": "BS EN 892:2012 brings different proce- dures depending on the investigated factors, such as stiffness, cycle number for impact load, transmitted force in the rope and maximum stretching. Results of the tensile tests for residual strength evaluation immediately after impact load \u2013 higher dead weights.", "mime": "application/pdf"}, {"id": "ap-7638", "words": "4440", "extension": ".pdf", "flesch": "58", "author": "Patel, Niru C.; Patel, Jimit R.; Deheri, Gunamani M.", "title": "A comparative study of ferrofluid lubrication on double-layer porous squeeze curved annular plates with slip velocity", "date": "2022", "keywords": "bearing; ferrofluid; film; lbc; lubrication; patel; plates; slip; squeeze; velocity", "summary": "Magnetic fluid based squeeze film between porous annular curved plates with the effect of rotational inertia. Couple stress fluid-based squeeze film between porous annular curved plates with the effect of rotational inertia.", "mime": "application/pdf"}, {"id": "ap-764", "words": "3227", "extension": ".pdf", "flesch": "70", "author": "Lavi\u010dka, H.; Slanina, F.", "title": "A Model of the Distribution of Wealth in Society", "date": "2005", "keywords": "agents; distribution; law; model; power; wealth; \ufffd \ufffd", "summary": "The distribution of wealth (Fig. 2) permits the power-law tail for p>pa (the same symbol is used as a consequence of the power-law behavior and the different social tension evolution) with exponent \ufffd0.96, which is stable for the interval of p at the thermodynamic limit N \ufffd \ufffd\ufffd, T \ufffd \ufffd\ufffd and N T con- stant. Pareto\u2019s law states that the high end of wealth distribution fol- lows the power-law P(w) ~ w\ufffd\ufffd\ufffd\ufffd, where exponent \ufffd is stable for an investigated country in a given period of time.", "mime": "application/pdf"}, {"id": "ap-7640", "words": "5643", "extension": ".pdf", "flesch": "58", "author": "Michalikov\u00e1, Krist\u00fdna; Hrdli\u010dka, Jan; Vodi\u010dka, Mat\u011bj; Skopec, Pavel; Jen\u00edkov\u00e1, Jitka; Pila\u0159, Luk\u00e1\u0161", "title": "Experimental verification of the efficiency of selective non-catalytic reduction in a bubbling fluidized bed combustor", "date": "2022", "keywords": "air; bed; combustion; freeboard; nox; reduction; sncr; temperature; urea", "summary": "Dependence of NOX reduction efficiency on temperature for different NSRs. Dependence of NOX reduction efficiency on NSR for different temperatures.", "mime": "application/pdf"}, {"id": "ap-7644", "words": "5183", "extension": ".pdf", "flesch": "56", "author": "Vengl\u00e1r, Michal; Lamperov\u00e1, Katar\u00edna; Sokol, Milan", "title": "Performance assessment of steel truss railway bridge with curved track", "date": "2022", "keywords": "analysis; bridge; direction; displacements; fem; figure; model; railway; results; structure; track", "summary": "IBIS-S interferometric radar was also used to measure bridge displacements. Therefore, administrators of railway networks around the world are the most responsible for ensuring the integrity of the networks with railway bridges being an integral part of these networks.", "mime": "application/pdf"}, {"id": "ap-7652", "words": "10334", "extension": ".pdf", "flesch": "66", "author": "Natanson, Gregory", "title": "Quantization of rationally deformed Morse potentials by Wronskian transforms of Romanovski-Bessel polynomials", "date": "2022", "keywords": "bessel; equation; morse; polynomials; potentials; solutions; | \u2212", "summary": "[y; a; \u03b5 | \u2212 ...m1] = 0 (103) solved under the DBCs lim y\u21920 \u221e \u0338\u03a8 [y; a; \u03b5n(a) | \u2212 ...m1] = 0 (104) has exactly N(a) eigenfunctions \u221e \u0338\u03a8", "mime": "application/pdf"}, {"id": "ap-7656", "words": "4056", "extension": ".pdf", "flesch": "73", "author": "Zhao, Hui; Liu, Yu-Qiu; Wang, Zhi-Xi; Fei, Shao-Ming", "title": "A note on entanglement classification for tripartite mixed states", "date": "2022", "keywords": "entanglement; separable; t0t1", "summary": "\u2212 T 1|23 2 ( \u2211 pi|\u03c6i\u27e9\u27e8\u03c6i|)\u2225tr \u2264 \u2211 pi\u2225T 1|23 1 (|\u03c6i\u27e9\u27e8\u03c6i|) \u2212 T 1|23 2 (|\u03c6i\u27e9\u27e8\u03c6i|)\u2225tr, namely, \u2225T 1|23 1 (\u03c1) \u2212 T 1|23 2 (\u03c1)\u2225tr \u2264 \u221a 6. (2) If \u03c1 = |\u03c6\u27e9\u27e8\u03c6| is 2|13 separable, we have |\u03c62|13\u27e9 = |\u03c62\u27e9 \u2297 |\u03c613\u27e9 \u2208 H2 2 \u2297 H6 13, where H6 13 = H2 1 \u2297 H3 3 . For any mixed state \u03c1 =\u2211 pi|\u03c6i\u27e9\u27e8\u03c6i| \u2208 H2 1 \u2297H2 2 \u2297H3 3 , \u2211 pi = 1, 0 < pi \u2264 1, we have: (1) If \u03c1 is 1|23 separable, then \u2225T 1|23 1 \u2212T 1|23 2 \u2225tr \u2264 \u221a 6; (2) If \u03c1 is 2|13 separable, then \u2225T 2|13 1 \u2212T 2|13 2 \u2225tr \u2264 \u221a 6; (3) If \u03c1 is 3|12 separable, then \u2225T 3|12 1 \u2212T 3|12 2 \u2225tr \u2264 \u221a 3. Proof (1) If \u03c1 = |\u03c6\u27e9\u27e8\u03c6| is 1|23 separable, we have |\u03c61|23\u27e9 = |\u03c61\u27e9 \u2297 |\u03c623\u27e9 \u2208 H2 1 \u2297 H6 23, where H6 23 = H2 2 \u2297H3 3 .", "mime": "application/pdf"}, {"id": "ap-7658", "words": "2447", "extension": ".pdf", "flesch": "58", "author": "\u010cerven\u00fd, Ond\u0159ej; Vyb\u00edral, Pavel; Hemerka, Ji\u0159\u00ed; Mare\u0161, Lu\u010fek", "title": "Measurement of solid particle emissions from oxy-fuel combustion of biomass in fluidized bed", "date": "2022", "keywords": "dilution; dilutor; figure; flow; gas; measurement; ratio", "summary": "Solid particle emission measurement To determine the properties of solid particles contained in the flue gas, we used the gravimetric analysis. Values of dilution ratio obtained using the given method and experimentally by measurement as a function of sample gas temperature.", "mime": "application/pdf"}, {"id": "ap-7659", "words": "4938", "extension": ".pdf", "flesch": "70", "author": "Reboiro, Marta; Ram\u00edrez, Romina; Fern\u00e1ndez, Viviano", "title": "Swanson Hamiltonian revisited through the complex scaling method", "date": "2022", "keywords": "eigenfunctions; hamiltonian; journal; mathematical; physics; swanson", "summary": "Communications in Mathematical Physics 27:1\u20139, 1972. https://doi.org/10.1007/BF01649654. Journal of Physics A: Mathematical and General 35(31):L467\u2013L471, 2002. https://doi.org/10.1088/0305-4470/35/31/101.", "mime": "application/pdf"}, {"id": "ap-766", "words": "4371", "extension": ".pdf", "flesch": "64", "author": "Novotn\u00fd, J.; \u0160tefa\u0148\u00e1k, M.; Ko\u0161t\u2019\u00e1k, V.", "title": "Multi-Particle Universal Processes", "date": "2005", "keywords": "particle; processes; \ufffd \ufffd", "summary": "The mapping on the density operators \ufffd \ufffdout inT T\ufffd \ufffd , where \ufffd is normalizing factor \ufffdout to be a density matrix, ful- fills the covariant condition if the following equality is satis- fied for all one-particle unitary transformations U and for all one-particle pure input states p p : \u2020p p p p\ufffd \ufffd \ufffd 0 (3) where the one-particle unitary transformation U(p) maps the state p0 to the state p , i. e. p p p\ufffd U( ) 0 .", "mime": "application/pdf"}, {"id": "ap-7660", "words": "7973", "extension": ".pdf", "flesch": "70", "author": "Taira, Takanobu", "title": "Complex topological soliton with real energy in particle physics", "date": "2022", "keywords": "energy; field; gauge; hermitian; masses; monopole; non; solutions", "summary": "We summarise the procedure used to find the classical masses of Higgs particle, massive gauge boson and t\u2019Hooft-Polyakov monopole in non-Hermitian gauge field theory. Methods In this section, we will summarise the method used in [8\u201311] to find the masses of the Higgs particles, mas- sive gauge particles and t\u2019Hooft-Polyakov monopoles in non-Hermitian gauge field theory.", "mime": "application/pdf"}, {"id": "ap-7668", "words": "4149", "extension": ".pdf", "flesch": "61", "author": "Escobar-Ruiz, Adrian M.; Montoya, Fidel", "title": "Generalized three-body harmonic oscillator system: ground state", "date": "2022", "keywords": "body; harmonic; operator; oscillator; state; system", "summary": "In the case of equal masses m1 = m2 = m3 the co- ordinate I is proportional to the hyperspherical radius (hyperradious). In a previous work [4], the most general quantum system of a three-body chain of harmonic oscillators, in Rd, was explored exhaustively.", "mime": "application/pdf"}, {"id": "ap-7669", "words": "4447", "extension": ".pdf", "flesch": "67", "author": "Smilga, Andrei", "title": "Modified Korteweg-de Vries equation as a system with benign ghosts", "date": "2022", "keywords": "equation; ghosts; mkdv; problem; system; u(t", "summary": "\u2212 2u3uxx \u2212 2u6 ] (12) For the time-independent Ansatz, we obtain, instead of (7), \u2202x(uxx + 2u3) Suppressing the nonlinear term in the KdV or MKdV equations, we obtain uxxx + ut = 0 .", "mime": "application/pdf"}, {"id": "ap-7670", "words": "4263", "extension": ".pdf", "flesch": "57", "author": "Seghman, Petr; Kr\u00e1tk\u00fd, Luk\u00e1\u0161; Jirout, Tom\u00e1\u0161", "title": "Effect of membrane separation process conditions on the recovery of syngas components", "date": "2022", "keywords": "co2; component; mol; permeate; pressure; recovery; separation", "summary": "The presented study focuses on inspecting the dependency between process conditions, especially permeate and retentate pressure and component recovery of H2, CO, and CO2 during a membrane separation of model syngas. Keywords: Membrane separation, syngas improvement, components recovery, hollow fibre module.", "mime": "application/pdf"}, {"id": "ap-7671", "words": "1813", "extension": ".pdf", "flesch": "62", "author": "Turbiner, Alexander V.; del Valle, Juan Carlos", "title": "From quartic anharmonic oscillator to double well potential", "date": "2022", "keywords": "potential", "summary": "3. Double-well potential: wavefunctions Following the prescription, usually assigned in folklore to E. M. Lifschitz \u2013 one of the authors of the famous Course on Theoretical Physics by L. D. Landau and E. M. Lifschitz \u2013 when a wavefunction for single well potential with minimum at u = 0 is known, \u03a8(u), the wavefunction for double well potential with min- ima at u = 0, 1 can be written as \u03a8(u) \u00b1 \u03a8(u \u2212 1). Double well potential: perturbation theory, tunneling, WKB (beyond instantons).", "mime": "application/pdf"}, {"id": "ap-7672", "words": "4903", "extension": ".pdf", "flesch": "60", "author": "Contreras-Astorga, Alonso; Fern\u00e1ndez C., David J.; Muro-Cabral, C\u00e9sar", "title": "Linearised coherent states for non-rational SUSY extensions of the harmonic oscillator", "date": "2022", "keywords": "extensions; harmonic; ladder; operators; oscillator; physics; quantum; states; susy", "summary": "After the linearisation, we derive coherent states as eigenstates of the annigilation operator and analyse some relevant mathematical and physical properties, such as the completeness relation, mean-energy values, temporal stability, time evolution of the probability densities, and Wigner distributions. Keywords: Supersymmetric quantum mechanics, non-rational extensions, linearised ladder operators, coherent states.", "mime": "application/pdf"}, {"id": "ap-7673", "words": "4747", "extension": ".pdf", "flesch": "70", "author": "Castillo-Celeita, Miguel; Contreras-Astorga, Alonso; Fern\u00e1ndez C., David J.", "title": "Photonic graphene under strain with position-dependent gain and loss", "date": "2022", "keywords": "dirac; gain; graphene; hamiltonian; loss; matrix; photonic; strain", "summary": "We work with photonic graphene lattices under strain with gain and loss, modeled by the Dirac equation with an imaginary mass term. Keywords: Graphene, Dirac materials, photonic graphene, matrix supersymmetric, quantum mechan- ics.", "mime": "application/pdf"}, {"id": "ap-7674", "words": "4352", "extension": ".pdf", "flesch": "69", "author": "Guti\u00e9rrez Altamirano, Izamar; Contreras-Astorga, Alonso; Raya Monta\u00f1o , Alfredo", "title": "Time-dependent step-like potential with a freezable bound state in the continuum", "date": "2022", "keywords": "continuum; equation; potential; state; time", "summary": "= y at t = 0. but before we had A = 0, one can still have a Schr\u00f6dinger equation without vector potential by tuning appropriately the scalar potential.", "mime": "application/pdf"}, {"id": "ap-7675", "words": "7563", "extension": ".pdf", "flesch": "67", "author": "D\u00edaz-Bautista, Erik", "title": "About the time evolution of coherent electron states in monolayers of boron allotropes", "date": "2022", "keywords": "boron; borophene; dirac; electric; electron; graphene; physical; pmmn; review; states; \u00ad10; \u00ad15", "summary": "Physical Review B 81(24):241412, 2010. https://doi.org/10.1103/physrevb.81.241412. Physical Review B 86(15):155435, 2012.", "mime": "application/pdf"}, {"id": "ap-7678", "words": "10796", "extension": ".pdf", "flesch": "65", "author": "Handy, Carlos R.", "title": "Orthonormal polynomial projection quantization: an algebraic eigenenergy bounding method", "date": "2022", "keywords": "bounding; bounds; emm; mer; method; moments; oppq; order; power; state", "summary": "OPPQ-BM Estimates (i.e. \u2202ESN (E) = 0) for V (x) = x6 \u2212 4x2, ms = 0, R(x) = \u03a6gr(x) based on the first 61, EMM generated, ground state power moments {ugr(p \u2264 60)}. Singular-perturbation strong coupling problems and moment representations It is not widely appreciated that power moments are relevant in understanding the multiscale structure of most systems.", "mime": "application/pdf"}, {"id": "ap-768", "words": "4884", "extension": ".pdf", "flesch": "80", "author": "Novotn\u00fd, P.; Hrivn\u00e1k, J.", "title": "On Orbits of the Ring Zmn under Action of the Group SL(m, Zn)", "date": "2005", "keywords": "\ufffd z; \ufffd \ufffd", "summary": "\ufffd \ufffd \ufffd{( ) | ,gcd( , ) } ( ( )). If n n\ufffd \ufffdN, 2 is written in the form n pi k i r i\ufffd \ufffd 1 , where pi are distinct primes, then according to [10], the order of SL(m, Zn) is SL m n p n m i j j m i r ( , )Z \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd 2 1 21 1 1 . (2.3)", "mime": "application/pdf"}, {"id": "ap-7684", "words": "7720", "extension": ".pdf", "flesch": "68", "author": "\u0158e\u0159icha, Petr", "title": "A Mindlin shell finite element for stone masonry bridges with backfill", "date": "2022", "keywords": "arch; bridges; element; figure; forces; masonry; matrix; node; normal; plane; shear; shell", "summary": "Element internal forces {S} and nodal forces {X} st = (0.5 \u2212 \u03be 6)\u03be\u03b5t, sb = \u03b5t\u03be 2/6 \u2202st \u2202\u03b5t = (0.5\u2212 \u03be 6)\u03be\u2212(0.5\u2212 \u03be 3)\u03be2 \u03b5b \u03b5t , \u2202st \u2202\u03b5b = (0.5\u2212\u03be/3)\u03be2 \u2202sb \u2202\u03b5t = ( 1 \u2212 2\u03be \u03b5b \u03b5t ) TM shell element The DOFs at the bottom vertices of the elements connecting to a node do not lie in the same plane and are not independent of the DOFs at the top vertices.", "mime": "application/pdf"}, {"id": "ap-7699", "words": "38570", "extension": ".pdf", "flesch": "54", "author": "Rachwa\u0142, Les\u0142aw", "title": "How to understand the structure of beta functions in six-derivative Quantum Gravity?", "date": "2022", "keywords": "action; beta; case; conformal; derivative; derivative theory; functions; gauge; gravitational; gravity; level; loop; model; non; operator; quantum; quantum gravity; quantum theory; renormalizable; results; terms; theories; theory; uv divergences", "summary": "(One sees due to the requirement of general covariance that this considera- tion of conformal gravitational theories makes sense only in even dimensions d of spacetime.) Asymptotic freedom and higher derivative gauge theories.", "mime": "application/pdf"}, {"id": "ap-770", "words": "1967", "extension": ".pdf", "flesch": "40", "author": "Thinov\u00e1, L.; Fronka, A.; Milka, D.", "title": "Personal Dosimetry Enhancement for Underground Workplaces", "date": "2005", "keywords": "aerosol; concentration; daughters; dose; radon", "summary": "With the aim of specifying the calculation of the real effective dose in caves, the following test measurements were carried out a few years ago: natural radioactive element content eval- uation in subsoils and in water inside/outside to study radon sources in the cave; continual radon measurements; regu- lar radon and daughters measurements using a sampling procedure to specify the proportion of radon daughters; regular indoor air flow measurements to study the location of the radon supply and its transfer among individual areas of the cave; 5-day aerosol particle-size spectrum measure- ments to determine the free fraction and to compare the aerosol spectra in an apartment and in a cave; comparative measurements using various radon and daughters monitors to study their behaviour in an area with high humidity (in- cluding Radim 4 \u2013 a device for simultaneous detection of radon concentration and concentration of unattached and at- tached fractions of its daughters); monitoring the behaviour of guides and visitors to record time spent in the cave, related to the continuously monitored levels of Rn concentration; some personal monitors for testing the detection of radon and its daughters. The results from the group of evaluated caves did not confirm the presence of aerosol sources, or other sources of radon, apart from attendee rock (possibly water); high radon concentrations are accompanied by a very low flow rate; the equilibrium fac- tor varies mostly between 0.2\u20130.5; the unattached fraction constituted approximately 2 %.", "mime": "application/pdf"}, {"id": "ap-7715", "words": "4962", "extension": ".pdf", "flesch": "55", "author": "Golias, Emmanouil; Vougioukas, Emmanouil A.; Wittemann, Klaus; Kalogeropoulos, George I.; Karayannis, Chris", "title": "Cyclic response of RC beam-column joints strengthened with transverse steel bars and with C-FRP diagonal ties", "date": "2022", "keywords": "beam; capacity; column; cyclic; damage; figure; load; loading; reinforcement; specimen; test", "summary": "An analytical review of state-of-the-art interventions to RC beam column joints with FRP has been also reported [12]. In recent experimental techniques [13\u201317], external FRP flexural ropes have been used as an additional diagonal reinforcement to existing beam column joints.", "mime": "application/pdf"}, {"id": "ap-7718", "words": "7132", "extension": ".pdf", "flesch": "62", "author": "Zelaya, Kevin", "title": "Time-dependent mass oscillators: constants of motion and semiclasical states", "date": "2022", "keywords": "caldirola; equation; kanai; mass; motion; oscillator; quantum; solutions; states; time", "summary": "The parameters have been fixed as a = c = w0 = 1, w1 = 2, \u00b50 = 0.3, and \u03ba = 0.5. to the point that, for times t > 4 is almost indistin- guishable. In the latter, it can be verified that the width of the wavepackets oscillates in a bounded way for times t > 2. Partic- ularly, for the coherent state case of Figure 4c, the dynamics of the wavepacket can be identified clearly, where the maximum point follows the corresponding classical trajectory (dashed-black).", "mime": "application/pdf"}, {"id": "ap-772", "words": "3061", "extension": ".pdf", "flesch": "56", "author": "\u010cech\u00e1k, T.; Mus\u00edlek, L.; Trojek, T.; Kopeck\u00e1, I.", "title": "Application of X-Ray Fluorescence Analysis in Investigations of Historical Monuments", "date": "2005", "keywords": "analysis; fluorescence; fresco; pigments; ray; \ufffd \ufffd", "summary": "\ufffd is the fraction of the emitted photons collected within the detector solid angle, \ufffd(ES) is the detection efficiency at the fluorescence energy of the substrate ES; S is the density of the substrate; C is the density of the coating; and \ufffdS(E0) and \ufffdS(ES) are mass absorption coeffi- cients of the substrate at energies E0 and ES, respectively and \ufffdC(E0) and \ufffdC(ES) are the mass absorption coefficients of the coating at energies E0 and ES respectively Under this assumption, the fluorescence intensity ISF measured by the detector is given by I I E E E E SF S C i C S \ufffd \ufffd \ufffd \ufffd \ufffd 0 0 0 4 1 \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd ( ) ( ) exp ( ) sin ( ) sin \ufffd f C S i S h E \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd 1 1 0sin ( ) sin ( ) sin\ufffd \ufffd \ufffdi S S f E \ufffd where I0 is the intensity of the incident radiation, and \ufffd is the excitation factor for the respective X-ray line of the substrate.", "mime": "application/pdf"}, {"id": "ap-7721", "words": "5337", "extension": ".pdf", "flesch": "49", "author": "Abed, Hadeel S.; Abdullah, Hikmat N.", "title": "Improvement of spectrum sensing performance in cognitive radio using modified hybrid sensing method", "date": "2022", "keywords": "cognitive; complexity; cooperative; detection; hybrid; method; performance; sensing; signal; spectrum", "summary": "Pd versus Eb/No of proposed sensing methods under Rayleigh fading and non-cooperative scenario. Figure 3 shows the performance curves of Pd vs Eb/No for traditional sensing methods (energy detec- tion, cyclostationary, and matched filter) in AWGN using the non-cooperative scenario.", "mime": "application/pdf"}, {"id": "ap-7723", "words": "5760", "extension": ".pdf", "flesch": "72", "author": "Beneduci, Roberto; Frion, Emmanuel; Gazeau, Jean-Pierre", "title": "Quantum description of angles in the plane", "date": "2022", "keywords": "cos; plane; quantum; sin; space; states", "summary": "Finally, we demonstrated that the isomorphism C2 \u2243 R4 allows to write Bell states in real space, with the introduction of the \u201cflip\u201d operator (46). A quantum measurement corresponds to an affine map S(H) 7\u2192 M+(\u2126) from quantum states to probability measures, \u03c1 7\u2192 \u00b5\u03c1.", "mime": "application/pdf"}, {"id": "ap-7733", "words": "5764", "extension": ".pdf", "flesch": "63", "author": "Mandal, Bhabani Prasad", "title": "Rational extension of many particle systems", "date": "2022", "keywords": "journal; laguerre; model; particle; physics; polynomials; systems", "summary": "QES many particle system In this section, we would like to discuss a rational extension of Calogero like many particle systems In this talk, we briefly review the rational extension of many particle systems, and is based on a couple of our recent works.", "mime": "application/pdf"}, {"id": "ap-7737", "words": "5178", "extension": ".pdf", "flesch": "52", "author": "Sabatini, Michel; Havl\u00edk, Jan; Dlouh\u00fd, Tom\u00e1\u0161", "title": "Analysis of parameters important for indirect drying of biomass fuel", "date": "2022", "keywords": "bed; biomass; coefficient; drying; heat; material; model; parameters; rate; surface", "summary": "Schematic illustration of moisture content, drying rate, and material temperature. Sensitivity analysis using penetration model for indirect drying of biomass The aim of the sensitivity analysis of the penetration model is to determine the effect of the change in the v of individual input parameters on its overall heat transfer coefficient and drying rate.", "mime": "application/pdf"}, {"id": "ap-7738", "words": "5329", "extension": ".pdf", "flesch": "59", "author": "Agarwal, Kaustubh S.; Muldoon, Jacob; Joglekar, Yogesh N.", "title": "Conserved quantities in non-hermitian systems via vectorization method", "date": "2022", "keywords": "-symmetric; hamiltonian; operators; physical; physics; quantum; symmetry; systems; time; \u211c\u03bbt", "summary": "Inspired by the Lindblad density matrix equation, our approach provides a useful addition to the well-established methods for characterizing time-invariants in non-Hermitian systems. 1/2022 Conserved quantities in non-Hermitian systems If \u03bbpq is real, we can choose them to be Hermitian, as in the case of a static Hamiltonian.", "mime": "application/pdf"}, {"id": "ap-774", "words": "8281", "extension": ".pdf", "flesch": "40", "author": "Tippetts, J. R.; Tesa\u0159, V.", "title": "Flow Visualisation by Condensing Steam \u2013 an Unusual Method Applied to Development of a Low Reynolds Number Fluidic Selector Valve", "date": "2005", "keywords": "/qfactor; /quality; /vsamples; adobe; control; fig; flow; model; pdf; valve; water", "summary": "Somewhat surprisingly, there does not seem to be any description of this method in authori- tative monographs (e.g. [3, 4]) on flow visualization methods. The task Present authors find flow visualization indispensable for their current development of no-moving-part fluidic devices, in particular flow control valves.", "mime": "application/pdf"}, {"id": "ap-7758", "words": "5582", "extension": ".pdf", "flesch": "67", "author": "Alla Baksh, Salma; Bannihalli Naganagowda, Hanumagowda", "title": "Study of surface roughness with MHD and couple stress fluid on porous curved annular plates", "date": "2022", "keywords": "figure; film; fluid; roughness; squeeze; values", "summary": "Magnetic fluid based squeeze film in rough rotating curved porous annular plates: Deformation effect. The expressions for squeeze film pressure, load-carrying capacity, and squeeze film time are obtained analytically, the results are discussed for various values of operating parameters, and are plotted graphically.", "mime": "application/pdf"}, {"id": "ap-776", "words": "6877", "extension": ".pdf", "flesch": "52", "author": "Tesa\u0159, V.", "title": "Time-Mean Helicity Distribution in Turbulent Swirling Jets", "date": "2005", "keywords": "czech; exit; fig; flow; helicity; jet; nozzle; profiles; swirl; time; velocity; vol; \ufffd \ufffd", "summary": "The profile shape may be improved by a long nozzle exit channel, but this generates a thick boundary layer (degrading the outer parts of the profile) and the inevitable fast dissipation of the swirl decreases the achiev- able magnitude of nozzle exit helicity. In practical flowfield studies, the variable of interest is the local quantity, helicity density \ufffd (m/s2) as defined in Fig.", "mime": "application/pdf"}, {"id": "ap-7773", "words": "9911", "extension": ".pdf", "flesch": "58", "author": "Arunta\u015f, H\u00fcseyin Yilmaz; Yildiz, Erkan; Kaplan, G\u00f6khan", "title": "The engineering performance of eco-friendly concretes containing diatomite fly ash and ground granulated blast furnace slag", "date": "2022", "keywords": "abrasion; ash; cement; compressive; concrete; diatomite; figure; fly; ggbfs; high; materials; mixtures; properties; ratio; replacement; scm; scms; setting; standard; strength; time; water", "summary": "Investigation into the long-term in-situ performance of high fly ash content concrete used for structural applications. Study on preparation of ultra-high strength and high performance concrete from diatomite and its mechanical properties.", "mime": "application/pdf"}, {"id": "ap-778", "words": "8390", "extension": ".pdf", "flesch": "65", "author": "Abdelaziz, T. H. S.; Val\u00e1\u0161ek, M.", "title": "A Complete Parametric Solutions of Eigenstructure Assignment by State-Derivative Feedback for Linear Control Systems", "date": "2005", "keywords": "b \ufffd; d \ufffd; j \ufffd; k \ufffd; m \ufffd; w \ufffd; wv \ufffd; \ufffd c; \ufffd f; \ufffd q; \ufffd v; \ufffd \ufffd", "summary": "I A BU G U( ) ( ) ( ) ( ) ( )\ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd\ufffd n 1 . (25) Substituting \ufffd by \ufffdi and postmultiplying by a vector 1 1 l fij k ! \ufffd on both sides of (29) gives \ufffd \ufffd \ufffd \ufffd( ) ! ( ) !", "mime": "application/pdf"}, {"id": "ap-780", "words": "6781", "extension": ".pdf", "flesch": "58", "author": "Dynda, V.", "title": "Generic Platform for Failure Recovery in Survivable Trees", "date": "2005", "keywords": "bypass; failure; fragments; multicast; network; nodes; recovery; scheme; tree; \ufffd \ufffd", "summary": "Graph S acts as an underlying network for a tree-topology overlay network modeled as graph T \ufffd (\ufffd\ufffd, \ufffd\ufffd), where \ufffd\ufffd \ufffd\ufffd represents tree nodes, \ufffd\ufffd is a finite set of core tree edges representing overlay communication links connecting individual nodes \ufffd\ufffd. 3: Relation between nodes n AT ( )\ufffd\ufffd and faulty cluster \ufffd\ufffd \ufffd\ufffd n j n j\ufffd1 n j\ufffdk n i\ufffd1 n j\ufffd2 n i R \ufffd(ni , nj ) BC(\ufffd\ufffd) BR T (n j , 2) BR T (n j , 3) BR T (n, k\ufffd1) (a) (b) \ufffd\ufffdn 8 n 9 n 10 n 1 n 2 n 3 n 4 n 5 n 6 n 7 (n 8 ,2) (n 8,3) (n 9 ,4 ) (n 10 ,2) (n 10 ,2 ) (n 1 0 ,3 ) (n 9 ,2 ) (n 9 ,2) (n 9 ,3) (n 8 ,2 ) (n8 ,2) Fig. 4: Routing from n Ai T ( )\ufffd\ufffd to ni\ufffd1 (a) and routing around \ufffd\ufffd\ufffd \ufffd n n n8 9 10, , (b) 7 Leader link election The task of the leader link election algorithm is to identify a leader \u2013 a single edge on the bypass cycle that will not partic- ipate in fragment reconnection in order to ensure correctness of the restored tree while keeping it connected.", "mime": "application/pdf"}, {"id": "ap-782", "words": "5530", "extension": ".pdf", "flesch": "56", "author": "Ve\u010de\u0159, P.; Kreidl, M.; \u0160m\u00edd, R.", "title": "Condition Indicators for Gearbox Condition Monitoring Systems", "date": "2005", "keywords": "condition; czech; gearbox; monitoring; na4; parameter; peak; signal; university; value; vibration; vibration signal; \ufffd \ufffd", "summary": "The ability of a selected condition indicator to describe the degree of gearing wear was tested using vibration signals ac- quired during durability testing of manual transmission with helical gears. This parameter focuses on the trend of the vibra- tion and is sensitive to vibration signal changes.", "mime": "application/pdf"}, {"id": "ap-7821", "words": "9521", "extension": ".pdf", "flesch": "52", "author": "Nedoma, Marek; Staf, Marek; Hrdli\u010dka, Jan", "title": "Experimental and simulation study of CO2 breakthrough curves in a fixed-bed adsorption process", "date": "2022", "keywords": "adsorbent; adsorption; bar; bed; breakthrough; capture; co2; column; curve; engineering; figure; flow; gas; mass; pressure; temperature; time", "summary": "Blank exper- iments have been carried out using inert material (glass beads of the same total volume as the real sample) prior to CO2 adsorption. Similar differences between isothermal and non-isothermal models using the LDF model for CO2 adsorption were observed by [48].", "mime": "application/pdf"}, {"id": "ap-784", "words": "3549", "extension": ".pdf", "flesch": "36", "author": "Ficker, T.", "title": "On Deterministic Chaos in Microdischarge Phenomena", "date": "2005", "keywords": "adobe; pdf; \ufffd \ufffd", "summary": "For this purpose the series of heights (amplitudes) \ufffd \ufffdUi i N \ufffd1 was rear- ranged into a sequence of d-dimensional pseudo-vectors \ufffd(d) 44 \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ Acta Polytechnica Vol. 45 No. 6/2005 \ufffd (1) Between the i-th and j-th pseudo-vectors \ufffdi(d) and \ufffdj(d) there is a scalar separation \ufffd\ufffd \ufffdi j", "mime": "application/pdf"}, {"id": "ap-786", "words": "3803", "extension": ".pdf", "flesch": "53", "author": "\u010cerm\u00e1kov\u00e1, E.", "title": "Magnetization of Steel Building Materials and Structures in the Natural Geomagnetic Field", "date": "2005", "keywords": "building; field; fig; geomagnetic; magnetic; steel; \ufffd \ufffd", "summary": "What is called the effective magnetic moment mG is therefore established as a projection of the vector mtot into the direction of the opposite vector J, which is sufficient to describe the basic magnetic phenomena given by the rela- tionship between vectors mG and J. Vector J (and also mG) can take only discrete positions in the direction of the magnetic field (the projections JH of vec- tor J in the direction of field H are given as multiples of Planck\u2019s constant \ufffd \ufffd h ( )2\ufffd , in the form J MH G\ufffd \ufffd; MG is the quantum number for the projection of the total moment of the atom momentum into the axis of quantization. The geomagnetic field described above magnetizes ferro- magnetic materials (involving various alloy steels, cast iron, steel reinforcement of panels, various types of building steels) which become magnetized even by weak magnetic fields and keep this condition also after the external magnetic field has been removed.", "mime": "application/pdf"}, {"id": "ap-788", "words": "5655", "extension": ".pdf", "flesch": "62", "author": "Kubal\u00edk, P.; Kub\u00e1tov\u00e1, H.", "title": "Parity Codes Used for On-Line Testing in FPGA", "date": "2005", "keywords": "area; bits; circuit; code; error; fault; fig; lut; output; parity; \ufffd \ufffd", "summary": "3: Fault Model \u2013 Example G a a a a a a a a \ufffd 1 0 0 0 1 0 0 0 1 11 12 1 3 1 4 2 1 2 2 2 3 2 4 \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd , , , , , , , , \ufffd \ufffd \ufffd \ufffd a a a a111 112 11 3 11 4, , , , \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd Fig. 4: Generating matrix for Hamming code (15, 11) 1 1 1 1 0 1 1 1 1 0 1 1 0 0 1 1 1 1 0 1 0 1 0 1 0 0 0 1 \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd Fig. In addition to some commercial tools such as Leonardo Spectrum [13] and Synplify [12] we used format converting tools, parity circuit generator tools and simulation tools.", "mime": "application/pdf"}, {"id": "ap-790", "words": "3397", "extension": ".pdf", "flesch": "45", "author": "Mervart, L.; \u010cepek, A.", "title": "Geoinformatics Study at the Czech Technical University in Prague", "date": "2005", "keywords": "czech; geodesy; geoinformatics; gps; information; program; project; software; study; technical; university", "summary": "We believe that the new courses on geoinformatics, with an intensive focus on the theoretical background, will help us to attract more talented students, who will be able to collabo- rate on software projects of a scientific nature, as described above. Calculus 1 1 Calculus 2 2 Technical geodesy 1 Constructive geometry 2 OS Linux 1 Foreign language 2 Foreign language 1 Technical geodesy 2 Introduction to law 1", "mime": "application/pdf"}, {"id": "ap-7906", "words": "5535", "extension": ".pdf", "flesch": "57", "author": "Segnon, Josu\u00e9 R.; Njoku, Howard O.", "title": "Outdoor performance investigation of a thermoelectric cooler-integrated solar air heating collector", "date": "2024", "keywords": "absorber; air; collector; energy; figure; heat; plate; pumping; sah; solar; system; thermal", "summary": "[26] modelled the air cooling and water produc- tion using TE heat pumping and reported that by increasing the input power to the TE modules, the total cooling load increased but the system efficiency decreased significantly. Although TE heat pumping has been shown to im- prove the performance of heating/cooling systems, the existing literature for solar-TE cooling has focused on improving the electrical performance of PV modules, and no work, to date, extensively studied TE heat extraction from SAH\u2019s absorber plate.", "mime": "application/pdf"}, {"id": "ap-7909", "words": "5538", "extension": ".pdf", "flesch": "59", "author": "da Cruz, Daniel Magalh\u00e3es; Clain, Fernanda Mazuco; Guilherme, Carlos Eduardo Marcos", "title": "Experimental study of the torsional effect for yarn break load test of polymeric multifilaments", "date": "2022", "keywords": "breaking; density; hmpe; linear; load; metre; polyamide; polyester; torsion; turns; twist", "summary": "548 Acta Polytechnica 62(5):538\u2013548, 2022 1 Introduction 2 Materials and methods 2.1 Multifilament materials and torsion conditions 2.2 Linear density test, Tex 2.3 Yarn Breaking Load test 2.4 Curve parameterization for optimal point 2.5 Relationship between optimum twist and linear density 3 Results and discussions 3.1 Linear density for multifilaments 3.2 Yarn Breaking Load for torsion groups 3.3 Determination of the optimal torsion group 3.4 YBL results for optimal torsion 3.5 Curve ratio for optimal torsion and Tex 4 Conclusions Acknowledgements References In addition to optimal torsion values, this conclusion is paramount, the test procedure makes a general recommendation that does not optimise the breaking strength.", "mime": "application/pdf"}, {"id": "ap-792", "words": "2278", "extension": ".pdf", "flesch": "37", "author": "Kuhlenkoetter, B.", "title": "Development of a Robot System for Advanced High Quality Manufacturing Processes", "date": "2006", "keywords": "fig; grinding; polishing; process; robot; system", "summary": "In the course of the project presented here, a new genera- tion of robot systems is originating that can process sensory feedback to surface errors, and can establish and carry out experience-based optimum error compensation strategies. (Fig. 4) 4 Optimized automation through innovative robot systems The developments presented below aim at raising the tol- erances of handling systems to changing conditions, and also their flexibility toward frequently changing workpieces in or- der to increase the reliability of the machines in the end and to expand the use of solutions involving industrial robots.", "mime": "application/pdf"}, {"id": "ap-7939", "words": "7112", "extension": ".pdf", "flesch": "62", "author": "Nogueira, \u00c9lcio", "title": "Theoretical analysis of the influence of the chevron inclination angle on the thermal performance of a gasket plate heat exchanger", "date": "2022", "keywords": "angle; exchanger; fluid; heat; heat exchanger; heat transfer; model; number; plate; reynolds number; transfer", "summary": "They consider that the model can predict essential performance char- acteristics in plate heat exchangers concerning the dimensions, angles of inclination of the corrugations, etc. In addition to the physical and geometric parameters, the most significant influ- ence on obtaining the results are Reynolds number, inlet temperatures, and heat exchanger plates.", "mime": "application/pdf"}, {"id": "ap-794", "words": "4048", "extension": ".pdf", "flesch": "57", "author": "Mamtani, G.; Green, G.", "title": "Reliability Risk Evaluation during the Conceptual Design Phase", "date": "2006", "keywords": "concept; design; function; method; reliability; seat", "summary": "Henceforth, 8 \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ Acta Polytechnica Vol. 46 No. 1/2006 Czech Technical University in Prague Reliability Risk Evaluation during the Conceptual Design Phase G. Mamtani, G. Green Systematic evaluations of concept designs involve considering a range of criteria. Keywords: reliability, concept design.", "mime": "application/pdf"}, {"id": "ap-7953", "words": "1023", "extension": ".pdf", "flesch": "35", "author": "Khrabustovskii , Andrii; Znojil , Miloslav", "title": "Analytic and Algebraic Methods in Physics", "date": "2022", "keywords": "aamp; physics", "summary": "For all of these reasons, the organizers of the AAMP series came to the conclusion that one of the possible reactions to the unpleasant current circumstances would be an enrichment of the internet-mediated standard 1 https://creativecommons.org/licenses/by/4.0/ https://www.cvut.cz/en Andrii Khrabustovskii, Miloslav Znojil Acta Polytechnica form of the meetings (in which one listens to talks for a few days, without having a real opportunity of discussing the subjects in the couloirs) via a return to an apparently obsolete practice of a subsequent preparation and publication of at least some of the talks in their written, more lasting and better accessible form, better suitable for the subsequent critical re-evaluation. Fortunately, every cloud has a silver lining: the related reduction of the capacity of the scientific communication channels led to the willingness of the participants to return to the recently almost abandoned tradition of complementing the Zoom-mediated meeting by a subsequent preparation of an AAMP-oriented Special Issue (SI) of Acta Polytechnica.", "mime": "application/pdf"}, {"id": "ap-796", "words": "4651", "extension": ".pdf", "flesch": "69", "author": "Reh\u00e1k, B.", "title": "Design of a Predictive Hierarchical Controller Using FEMLAB", "date": "2006", "keywords": "control; level; opt t; t t; u t; \ufffd \ufffd", "summary": "( )\ufffd \ufffd\ufffd \ufffdD j x t u t D f x t u t tx x \ufffd \ufffd \ufffd \ufffd0 \ufffd \ufffdD j x t u t D f x t u t tu u( ), ( ) ( ), ( ) ( )\ufffd with boundary conditions defined as follows: x T x T TH ( ) ( ) \ufffd \ufffd \ufffd 0 0\ufffd while the value of the state at the end of the interval (T, TH) and also the value of the co-state at time T are not defined. The matrices Q, R in the upper-level cost functional were chosen such that q1 \ufffd q2 \ufffd 10, r1 \ufffd r2 \ufffd 0.2.", "mime": "application/pdf"}, {"id": "ap-798", "words": "1826", "extension": ".pdf", "flesch": "63", "author": "Drahovzal, O.", "title": "Company Value, Real Options and Financial Leverage", "date": "2006", "keywords": "company; debt; ratio; value; \ufffd \ufffd", "summary": "The value of volatility \ufffd can be determined directly from the company\u2019s stock his- tory, or can be specified by the following formula: \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd( ) ( )1 2 12 2 2 0 2 0P P P PD A D D D A , (8) where \ufffdA, \ufffd0 are the standard deviations of the prices of shares and obligations, \ufffd is the correlation coefficient between them, and PD is the ratio of debt to total capital. The Black \u2013 Scholes formula for the call option is: C S N d X e N drt\ufffd \ufffd \ufffd \ufffd \ufffd\ufffd( ) ( )1 2 , (4) d S X r t t1 2 2 \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd ln \ufffd \ufffd , (5) d", "mime": "application/pdf"}, {"id": "ap-800", "words": "6393", "extension": ".pdf", "flesch": "58", "author": "Saafan, M. A. A.", "title": "Shear Strengthening of Reinforced Concrete Beams Using GFRP Wraps", "date": "2006", "keywords": "beams; capacity; composite; concrete; failure; flexural; reinforcement; shear; strengthening; \ufffd \ufffd", "summary": "5: Load-deflection curves for shear strengthened beams 0 10 20 30 40 50 0 2 4 6 8 10 Midspan deflection (mm) S10FP S10FU S10FR C10 Fig. 6: Load-deflection curves for shear strengthened beams expected.", "mime": "application/pdf"}, {"id": "ap-802", "words": "3825", "extension": ".pdf", "flesch": "72", "author": "Peka\u0159, J.; \u0160techa, J.", "title": "Identification and Predictive Control by p-norm Minimization", "date": "2006", "keywords": "control; k \ufffd; norm; p \ufffd; r \ufffd; \ufffd y; \ufffd \ufffd", "summary": "x Ax b Ax b Ax b\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd y y y y1 1 , (14) where 1 \ufffd [ , , , ]1 1 1\ufffd T is the unit vector. We are looking for the parameter vector \ufffd \ufffdx \ufffd a a b b T 1 2 0 1, , , , ,\ufffd \ufffd that ensures the best approximation of the output vector \ufffd \ufffdb \ufffd \ufffd \ufffd \ufffdy t y t y t m T( ), ( ), , ( )1 1\ufffd by a vector Ax, where A \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd y t y t u t y t y t u t ( ) ( ) ( ) ( ) ( ) ( ) 1 2 2 3 1 \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd .", "mime": "application/pdf"}, {"id": "ap-804", "words": "11373", "extension": ".pdf", "flesch": "57", "author": "Tesa\u0159, V.", "title": "Similarity Solutions of Jet Development Mixing Layers Using Algebraic and 1-Equation Turbulence Models", "date": "2006", "keywords": "d d; f \ufffd; fig; g \ufffd; layer; solution; thickness \ufffd; turbulence; u \ufffd; velocity; \ufffd alg; \ufffd d; \ufffd t; \ufffd w; \ufffd \ufffd", "summary": "On the negative \ufffdALG side there is a minimum u = 0 at \ufffdALG \ufffd \ufffd1.846694. On the other side, the value u \ufffd 0.2 at point B is reached at \ufffdALG \ufffd \ufffd0.8160231.", "mime": "application/pdf"}, {"id": "ap-806", "words": "2347", "extension": ".pdf", "flesch": "72", "author": "Bokr, J.; J\u00e1ne\u0161, V.", "title": "Logical Structural Models with Multiplexors", "date": "2006", "keywords": "y \ufffd; \ufffd \ufffd", "summary": "Since y \ufffd MX g , g , g , g( ),\ufffd \ufffd\ufffd \ufffd 0 1 2 3 we obtain y \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd2 4 2 2 4 5 2 4 50( ) ( ) ( ) ( )x x x x x and hence the structural model in Fig. i ( ) ( ) ( ) ( ) ( ) ( \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 0 1 0 i \ufffd1) the validity of which can be easily confirmed by supplying 0 or 1 for xi. Let a dichotomy {X1, X0}be given on a set of X arguments x1, x2, , xm without loss of generality, such that X1 \ufffd {x1, x2, \u2026, xn} and X0 \ufffd {xn\ufffd1, xn\ufffd2, \u2026, xm}, where n<m. Let the simple k-multiple (k < n) disjoint decomposition of the function f (X) be called the composition f X X X X Xk( ) ( ), ( ), , ( ),\ufffd \ufffd \ufffd \ufffd \ufffd1 1 2 1 1 0\ufffd .", "mime": "application/pdf"}, {"id": "ap-8079", "words": "5796", "extension": ".pdf", "flesch": "57", "author": "Dinh, Van-Vuong; Trinh, Minh-Chien; Bui, Tien-Dat; Duong, Minh-Duc; Dao, Quy-Thinh", "title": "Neural network based patient recovery estimation of a PAM-based rehabilitation robot", "date": "2023", "keywords": "control; estimation; figure; force; gait; impedance; joint; network; patient; recovery; rehabilitation; robot; system; torque; training", "summary": "Estimating the total torque applied to robot joints (MNN ) Then, the torques generated by PAMs that affect robot joints are collected as output data.", "mime": "application/pdf"}, {"id": "ap-808", "words": "4940", "extension": ".pdf", "flesch": "66", "author": "Bokr, J.; J\u00e1ne\u0161, V.", "title": "State of a Logical Object", "date": "2006", "keywords": "function \ufffd; j \ufffd; q \ufffd; s \ufffd; y \ufffd; \ufffd \ufffd", "summary": "Thus, if Z is a fault alphabet (the alphabet of explicit measurable faults), then for the tran- sition function \ufffde of a semiautomaton X Z S e\ufffd , , \ufffd with a fault input, there holds \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd e S X Z S s x z s: : , ,{ } { } { } { }\ufffd \ufffd \ufffd \ufffd1 \ufffd Example 3: Assume that a fault alphabet {z1, z2, z3} of the au- tomaton from Example 2 is given such that, e.g., the Table 2 holds. The response y\ufffd is a value of the output function: \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd: : ,{ } { } { }[ ] [ ]H X Y h x y\ufffd \ufffd \ufffd of an output block O of the object, where h\ufffd is the instanta- neous input prehistory.", "mime": "application/pdf"}, {"id": "ap-810", "words": "4071", "extension": ".pdf", "flesch": "67", "author": "Soliman, H. F.; Attia, A.-F.; Hellal, M.; Badr, M. A. L.", "title": "Power System Stabilizer Driven by an Adaptive Fuzzy Set for Better Dynamic Performance", "date": "2006", "keywords": "fig; output; power; set; system; \ufffd \ufffd", "summary": "e M m q1 2 (1) \ufffd \ufffd\ufffd \ufffd \ufffd\ufffd \ufffd \ufffdb (2) \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd e E K T e T Kq FD do q do 4 3 \ufffd (3) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd E Speed deviation (\ufffd\ufffd) Speed deviation chang (\ufffd \ufffd\ufffd ) NL NM NS Z PS PM PL NL U_NL U_NL U_NL U_NL U_NM U_PS U_Z NM U_NL U_NM U_NM U_NM U_NS U_Z U_PS NS U_NL U_NM U_NS U_NS U_Z U_PS U_PM Z U_NL U_NM U_NS U_Z U_PS U_PM U_PL PS U_NM U_NS U_Z U_PS U_PS U_PM", "mime": "application/pdf"}, {"id": "ap-812", "words": "4752", "extension": ".pdf", "flesch": "58", "author": "Attia, A.-F.; Soliman, H.; Sabry, M.", "title": "Genetic Algorithm Based Control System Design of a Self-Excited Induction Generator", "date": "2006", "keywords": "controller; czech; fig; gains; power; stator; system; technical; university; \ufffd \ufffd", "summary": "i x i i\ufffd \ufffd \ufffd \ufffd\ufffd ( ), (11) where: \ufffdqr is the rotor flux linkage at quadrant axis. The chance on the roulette-wheel is adaptive and is given as P P\ufffd \ufffd\ufffd as in the Eq.", "mime": "application/pdf"}, {"id": "ap-8129", "words": "8664", "extension": ".pdf", "flesch": "48", "author": "Oyesola, Moses; Mpofu, Khumbulani; Daniyan, Ilesanmi; Mathe, Ntombi", "title": "Design and simulation of a bearing housing aerospace component from titanium alloy (Ti6Al4V) for additive manufacturing", "date": "2022", "keywords": "aerospace; alloy; bearing; component; conditions; design; figure; housing; loading; manufacturing; material; mesh; process; simulation; slm; strength; stress; temperature; ti6al4v; titanium", "summary": "However, titanium is more suit- able for high temperature applications though there is a need for the investigation of the thermal loads necessary for such service requirement because of its low thermal conductivity that can result in build-up stresses Component simulations are very important in determining generic performances and can provide a comprehensive way to understand the behaviour of components or a material in service before the manu- facturing process", "mime": "application/pdf"}, {"id": "ap-8139", "words": "4171", "extension": ".pdf", "flesch": "49", "author": "Lechner, Ji\u0159\u00ed; Kosarev, Nikolai Sergeevich; Trevoho, Igor Sergeevich", "title": "Conversion of units of length from the Czech state standard to the geodetic baseline Javoriv", "date": "2022", "keywords": "baseline; baseline javoriv; geodetic; javoriv; laser; leica; length; measurement; total; uncertainty", "summary": "In this regard, there is an obvious need for constant modernisation of reference complexes to ensure the uniformity of length measurement as well as for constant international metrological comparisons. Operational experience of GNSS receivers with Chip Scale Atomic Clocks for baseline measurements.", "mime": "application/pdf"}, {"id": "ap-814", "words": "4720", "extension": ".pdf", "flesch": "53", "author": "Bro\u017e, P.", "title": "Some Effects on Fatigue Strength", "date": "2006", "keywords": "fatigue; limit; mean; strength; stress; \ufffd m; \ufffd \ufffd", "summary": "If \ufffd2 \ufffd \ufffd2 is the fatigue limit under a zero to tensile stress loading cycle, then P P S S S Py z x2 3 2 1 20, , , , ,\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd , (13) therefore A \ufffd \ufffd\ufffd\ufffd \ufffd2 2 2 3 , (14) from which \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd\ufffd 2 3 11 2 . 1; it follows that \ufffd \ufffd \ufffdmax \ufffd \ufffdm (1a) \ufffd \ufffd \ufffdmax \ufffd \ufffdm .", "mime": "application/pdf"}, {"id": "ap-8157", "words": "3953", "extension": ".pdf", "flesch": "64", "author": "Klesa, Jan", "title": "Determination of fan design parameters for light-sport aircraft", "date": "2022", "keywords": "design; fan; figure; flight; nozzle; parameters; ratio; velocity", "summary": "Dependence of fan pressure ratio at flight speed v0 = 0 km h\u22121 on fan diameter and nozzle con- traction ratio A1/A3. Dependence of fan pressure ratio at flight speed v0 = 300 km h\u22121 on fan diameter and nozzle contraction ratio A1/A3.", "mime": "application/pdf"}, {"id": "ap-816", "words": "3773", "extension": ".pdf", "flesch": "59", "author": "Pecherkov\u00e1, P.; Nagy, I.", "title": "Mixture Based Outlier Filtration", "date": "2006", "keywords": "component; data; filter; mixture; model; outliers; \ufffd \ufffd", "summary": "( ( ) ( ), , ) ( , ( ))\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd1 1 (2) to the mixture model (1) yields intractable posterior distribu- tion. i i c ( ( ), , ) ( , )\ufffd \ufffd \ufffd \ufffd \ufffd1 1 1 \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd (1) where f ( )\ufffd \ufffd denotes conditional probability density function (pdf), d is modelled (and filtered) variable; dt is actual value at time t, \ufffdt\ufffd1 is a vector of historical data on which dt depends, \ufffd \ufffd \ufffd \ufffd\ufffd [ , , , ]1 2 \ufffd \ufffdc are parameters of individual components, \ufffd \ufffd \ufffd \ufffd\ufffd [ , , , ]1 2 \ufffd \ufffdc is a vector of components weights, c\ufffd is number of components.", "mime": "application/pdf"}, {"id": "ap-8174", "words": "3533", "extension": ".pdf", "flesch": "58", "author": "Carrera, Krist\u00fdna; K\u00fcnzel, Karel; Konr\u00e1d, Petr; Sovj\u00e1k, Radoslav; Pape\u017e, V\u00e1clav; M\u00e1ra, Michal; Forn\u016fsek, Jind\u0159ich; Kheml, P\u0159emysl", "title": "Concrete lintels reinforced with steel fibres oriented by a magnetic field", "date": "2022", "keywords": "concrete; fibres; figure; non; specimens; steel", "summary": "The specimens with oriented fibres show a significantly higher flexural strength, by 150 %, than specimens produced conventionally with the same volume of fibres. A total of 11 specimens were pro- duced, 6 of which with oriented fibres and 5 specimens produced in the standard way with fibres randomly ori- ented.", "mime": "application/pdf"}, {"id": "ap-8177", "words": "4976", "extension": ".pdf", "flesch": "61", "author": "Zehawi, Raquim N.; Kareem, Yassir A.; Khudhair, Emad Y.", "title": "Reduction of pavement thickness using a subgrade layer treated by different techniques", "date": "2022", "keywords": "ash; cbr; engineering; fly; layer; pavement; reduction; soil; stabilisation; subgrade; thickness", "summary": "Such cases often result from the sen- sitivity to a high-water content, low specific gravity, and low shear strength, along with many undesirable characteristics of highway pavement subgrade soils. Introduction There are several highway pavement distresses, some of which can be attributed to subgrade soils\u2019 inade- quate support.", "mime": "application/pdf"}, {"id": "ap-818", "words": "2669", "extension": ".pdf", "flesch": "61", "author": "Do\u010dekal, A.; Kreidl, M.; \u0160m\u00edd, R.", "title": "System for 3D Visualization of Flaws for Eddy Current Inspection", "date": "2006", "keywords": "flaw; probe; \ufffd \ufffd", "summary": "A matrix formed of EC signal values resulted from the data acquisition process, see Fig. (8) This result requires calibration especially due to the non- -linear principle of EC inspection.", "mime": "application/pdf"}, {"id": "ap-8183", "words": "5093", "extension": ".pdf", "flesch": "56", "author": "Yusof, Azlan; Idris, Azlina; Abdullah, Ezmin", "title": "PAPR reduction in CP-OFDM (5G) using hybrid technique", "date": "2023", "keywords": "codeword; gcs; hybrid; law; mcs; ofdm; papr; power; scs; shift; signal; technique; value", "summary": "This Group Codeword Shifting technique aims for the ar- rangement of the codeword and the bit structure that reduce PAPR, by manipulating these two parameters, the alternative codeword with lower PAPR is created. In comparison to SLM and clipping and filtering techniques, the PTS approach is more effective in reducing PAPR values [4].", "mime": "application/pdf"}, {"id": "ap-8186", "words": "21103", "extension": ".pdf", "flesch": "56", "author": "Soroushian, Aram", "title": "A practical way to apply a technique that accelerates time history analysis of structures under digitised excitations", "date": "2024", "keywords": "accuracy; analysis; analysis run; application; behaviour; computation; engineering; equation; example; excitation; figure; history; linear; methods; non; procedure; response; run; seb; seb thaat; step; system; table; target; thaat; time; time integration", "summary": "Nevertheless, this is consistent with the na- ture of time integration analyses, which may require very small integration steps to achieve sufficient ac- curacy in non-linear complicated analyses; see [1, 86\u2013 90, 96, 97, 107, 108, 119, 120]. The weakness is consistent with the characteristics of time integration analysis of highly oscillatory highly non-linear systems.", "mime": "application/pdf"}, {"id": "ap-8199", "words": "4902", "extension": ".pdf", "flesch": "62", "author": "Luthfi, Wahid; Pinem, Surian", "title": "Effect of cross-sections data on calculated static neutronic parameters of PWR MOX/UO2 core transient benchmark case using NODAL3 code", "date": "2023", "keywords": "code; core; cross; data; fuel; helios; mox; nodal3; power; section; serpent", "summary": "% -5.612 % -1.852 % 0.804 % % Error NODAL3-Serpent -3.072 % -0.255 % 0.926 % % -3.754 % B 0.847 0.871 0.823 1.357 1.733 1.073 0.831 0.392 -4.014 % -6.200 % -5.468 % -1.253 % 5.136 % -2.330 % -3.008 %", "mime": "application/pdf"}, {"id": "ap-820", "words": "4962", "extension": ".pdf", "flesch": "56", "author": "Kalvoda, L.; Aubrecht, J.; Klep\u00e1\u010dek, R.", "title": "Fiber Optic Detection of Ammonia Gas", "date": "2006", "keywords": "absorption; ammonia; fibre; gas; ppm; reagent; sensing; vol; \ufffd \ufffd", "summary": "Central ion (Me2\ufffd) Counter-ion \ufffd\ufffd (nm), L1 \ufffd\ufffd (nm), L2 Fe2\ufffd (Br\ufffd)2 96 76 Co2\ufffd (Br\ufffd)2 105 82 Ni2\ufffd (Cl\ufffd)2 108 70 Cu2\ufffd (Cl\ufffd)2 125 70 Cu2\ufffd SO4 2\ufffd 129 70 Zn2\ufffd SO4 2\ufffd 81 69 Hg2\ufffd (NO3 \ufffd)2 106 80 Pb2\ufffd (NO3 \ufffd)2 98 68 Table 1: Bathochromic shifts \ufffd\ufffd resulting from creation of com- plex ions [L-Me-L]2\ufffd. Creation of metallic complexes of the dyes resulted in bathochromic shifts (\ufffd\ufffd) of the absorption bands due to widening of the corresponding electronic resonant systems.", "mime": "application/pdf"}, {"id": "ap-8214", "words": "5551", "extension": ".pdf", "flesch": "54", "author": "Bouzida, Ahcene; Abdelli, Radia; Boudouda, Aimad", "title": "Induction motor mechanical defect diagnosis using DWT under different loading levels", "date": "2023", "keywords": "current; diagnosis; eccentricity; energy; faults; figure; frequency; induction; level; load; machine; misalignment; motor; stator", "summary": "Separation of induction motor rotor faults and low frequency load oscillations through the radial leakage flux. Instantaneous power signature analysis for misalignment fault diagnosis in 3-phased induction motors.", "mime": "application/pdf"}, {"id": "ap-822", "words": "1639", "extension": ".pdf", "flesch": "66", "author": "\u0160ime\u010dek, I.", "title": "A Simple Cache Emulator for Evaluating Cache Behavior for SMP Systems", "date": "2006", "keywords": "cache; memory; smp", "summary": "\ufffd External HW CPU cache monitors are very expensive and platform-dependent. \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ 47 Czech Technical University in Prague Acta Polytechnica Vol. 46 No. 2/2006 A Simple Cache Emulator for Evaluating Cache Behavior for SMP Systems I. \u0160ime\u010dek Every modern CPU uses a complex memory hierarchy, which consists of multiple cache memory levels.", "mime": "application/pdf"}, {"id": "ap-8221", "words": "5303", "extension": ".pdf", "flesch": "67", "author": "Hanu\u0161ov\u00e1, Tereza", "title": "Case study: Dosimetric comparison of VMAT, IMRT and 3DCRT techniques for left-sided breast cancer treated in deep inspiration breath-hold", "date": "2023", "keywords": "dose; imrt; patient; ptv; technique; vmat", "summary": "Other stud- ies have shown that the heart can be better spared with 3DCRT techniques 63 no. 2/2023 Case study: Dosimetric comparison of VMAT, IMRT and 3DCRT techniques Evaluated parameter 3DCRT IMRT VMAT1 VMAT2 Spinal cord Dmax", "mime": "application/pdf"}, {"id": "ap-824", "words": "5160", "extension": ".pdf", "flesch": "64", "author": "Popovac, M.", "title": "Reconstruction of the Old Bridge of Mostar", "date": "2006", "keywords": "arch; bridge; cramps; czech; fig; mostar; stone; structure; technical; university", "summary": "Dismantling the remenants bridge One of the first tasks of the contractor for the actual re- construction of the bridge was to prepare the Site around the Old Bridge. About 200 pieces of pottery were found on the site \u2013 dat- ing form the 15th to 20th century, about twenty stone and one metal cannon balls, about 250 metal wedges from the structure of wooden bridge, one copper coin and several mediaeval tools.", "mime": "application/pdf"}, {"id": "ap-826", "words": "2473", "extension": ".pdf", "flesch": "63", "author": "\u0160ime\u010dek, I.", "title": "Performance Aspects of Sparse Matrix-Vector Multiplication", "date": "2006", "keywords": "csr; format; loop; matrix; performance", "summary": "Loop unrolling-and-jam applied to the example code (Uf \ufffd 2) s1 \ufffd 0.0; s2 \ufffd 0.0; for i \ufffd 1 to n step 2 do s1 \ufffd s1\ufffdA[i]; s2 \ufffd s2\ufffdA[i+1]; s \ufffd s1\ufffds2; 1.2.3 Software pipelining The initial instruction(s) of the first iteration is/are moved into the prologue phase, and the final instruction(s) of the last iteration is/are moved into the epilogue phase. This makes the serial code longer, so that the instructions can be better scheduled, the internal pipeline can be better utilized, and the number of condition tests drops from n to \ufffd \ufffdn Uf .", "mime": "application/pdf"}, {"id": "ap-828", "words": "12261", "extension": ".pdf", "flesch": "68", "author": "Robbe, M.-F.", "title": "A Porosity Method to Describe Complex 3D-Structures Theory and Application to an Explosion", "date": "2006", "keywords": "energy \ufffd; eq \ufffd; f f; fluid; mass \ufffd; structures; vessel; volume \ufffd; \ufffd d; \ufffd f; \ufffd mara; \ufffd t; \ufffd v; \ufffd \ufffd", "summary": "I \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd\ufffd Re 2 3 2 similar to a pressure 3 T f T f t fdiv v I grad v grad v( ) \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd similar to viscous stresses \ufffd \ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd \ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd , where kT is the turbulent kinetic energy and T the turbulent viscosity. If we consider a function , defined on the fluid volume \ufffdf, it can be separated into a fluid average term and a fluctuating term \ufffd (white noise): \ufffd \ufffd \ufffd.", "mime": "application/pdf"}, {"id": "ap-830", "words": "5753", "extension": ".pdf", "flesch": "60", "author": "Bro\u017e, P.", "title": "Metal Fatigue Features", "date": "2006", "keywords": "crack; czech; fatigue; fig; fracture; growth; material; slip; stress; surface; \ufffd \ufffd", "summary": "On a microscopic scale, fatigue crack growth is often an ir- regular process. Unless expressed otherwise, it is ensues from any reference to fatigue crack growth that the crack has achieved the macrocrack period.", "mime": "application/pdf"}, {"id": "ap-8300", "words": "4178", "extension": ".pdf", "flesch": "68", "author": "Can, Erol", "title": "Extra control coefficient additive ECCA-PID for control optimization of electrical and mechanic system", "date": "2022", "keywords": "control; controller; ecca; pid; response; system; values", "summary": "The equation of the second order and PID system is given in Equation (22). 2. Design with PID controller Although the PD control from three controllers brings attenuation to the system, it does not affect the steady state behaviour of the system.", "mime": "application/pdf"}, {"id": "ap-832", "words": "3683", "extension": ".pdf", "flesch": "61", "author": "Rieger, F.", "title": "Determination of Rheological Parameters from Measurements on a Viscometer with Coaxial Cylinders", "date": "2006", "keywords": "r \ufffd; ratio \ufffd; \ufffd k; \ufffd \ufffd", "summary": "(24) Dependencies of \ufffd \ufffd\ufffd \ufffdm mN ratio on flow behavior index n for cylinder ratio values \ufffd \ufffd 0.5 and 0.9 are depicted in Fig. 2.2 Bingham plastics The simplest model for viscoplastic behavior is the Bing- ham model \ufffd\ufffd \ufffd 0 for \ufffd \ufffd\ufffd 0 (10 a) \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd p 0 \ufffd \ufffd for \ufffd \ufffd\ufffd 0, (10 b) where \ufffdp is plastic viscosity and \ufffd0 stands for yield stress.", "mime": "application/pdf"}, {"id": "ap-8331", "words": "4489", "extension": ".pdf", "flesch": "55", "author": "Vijayaragavan, Balasubramanian; Asok, Suyambu Pandian; Shakthi Ganesh, Chandrasekar Ramalekshmi", "title": "Heat transfer characteristics of double pipe heat exchanger having externally enhanced inner pipe", "date": "2023", "keywords": "figure; flow; fluid; heat; heat exchanger; heat transfer; pipe; pipe heat; temperature; transfer; tube", "summary": "Keywords: Double pipe heat exchanger, heat transfer, numerical analysis, rectangular cavity. 63 no. 1/2023 Heat transfer characteristics of double pipe heat exchanger . .", "mime": "application/pdf"}, {"id": "ap-8335", "words": "2967", "extension": ".pdf", "flesch": "47", "author": "Vesel\u00e1, Linda", "title": "Recommended procedure for headroom design according to geometric parameters of building structures", "date": "2022", "keywords": "accuracy; ceiling; design; deviations; headroom; minimum", "summary": "To comply with standard or legal requirements for minimum headroom, the design headroom shall be determined as follows: hsv,pd \u2265 hsv,dop > hsv,norm, (5) where hsv,pd is the design headroom, hsv,dop is the cal- culated recommended minimum headroom, hsv,norm is the minimum headroom according to a technical standard or regulation. Keywords: Headroom, geometric accuracy, limit deviation, geometric accuracy deviation.", "mime": "application/pdf"}, {"id": "ap-834", "words": "3113", "extension": ".pdf", "flesch": "50", "author": "Lidmila, M.; Horn\u00ed\u010dek, L.; Krej\u010di\u0159\u00edkov\u00e1, H.; Tyc, P.", "title": "Problems in Different Measuring and Assessment the Modulus of Deformation Using the Czech and German Methodologies", "date": "2006", "keywords": "deformation; load; methodology; moduli; mpa; plate", "summary": "3: Static modulus of deformation being measured on a layer of sand in the Kl\u00ed\u010dany sand pit Field labelling Mean natural moisture content in % Mean modulus of deformation in MPa \u010cD methodology DB methodology Field No. 1 8.7 82.2 136.8 Field No. 2 5.5 38.7 67.4 Table 4: Moduli of deformation on sand for each methodology Field labelling Mean natural moisture content in % Mean modulus of deformation in MPa \u010cD methodology DB methodology Field No. 1 12.7 92.1 66.3 Field No. 2 15.8 56.0 45.6 Table 5: Moduli of deformation on soil for each methodology The correlation coefficients of the moduli of deformation on sand are given in Table 8 and on soil in Table 9. The value of the total mean plate insertion from the loading branch of the second cycle is en- tered in the chart with a simultaneous calculation of the modulus of deformation using general formula: E p r y \ufffd \ufffd 1 5. , where E is static modulus of deformation", "mime": "application/pdf"}, {"id": "ap-8344", "words": "6130", "extension": ".pdf", "flesch": "44", "author": "Foria, Federico; Calicchio, Mario; Moretti, Laura; Loprencipe, Giuseppe", "title": "Multidimensional mobile mapping and integrated approach for the digitalisation of underground transport infrastructure", "date": "2023", "keywords": "approach; data; defects; figure; images; infrastructure; inspection; lining; maintenance; management; mapping; mobile; railway; sector; survey; system; tunnel", "summary": "Keywords: MIRET, ARCHITA, mobile mapping, tunnel defects, railway tunnels. Analysis of predictive maintenance for tunnel systems.", "mime": "application/pdf"}, {"id": "ap-8348", "words": "4555", "extension": ".pdf", "flesch": "65", "author": "Khantoul, Boubakeur; Bounames, Abdelhafid", "title": "Exact solutions for time-dependent complex symmetric potential well", "date": "2023", "keywords": "equation; hermitian; invariant; non; pseudo; time", "summary": "In 2002, A. Mostafazadeh presented a more extended version of non-Hermitian Hamiltonians having a real spectrum, proving that the hermiticity of the Hamilto- nian with respect to a positive definite inner product, \u27e8., .\u27e9\u03b7 Real spectra in non-Hermitian Hamiltonians having PT symmetry.", "mime": "application/pdf"}, {"id": "ap-8351", "words": "2461", "extension": ".pdf", "flesch": "59", "author": "Maharaj, Adhir; Leach, Peter G. L.; Govender, Megan; Day, David P.", "title": "Linearisation of a second-order nonlinear ordinary differential equation", "date": "2023", "keywords": "differential; equation", "summary": "In the search for solutions of differential equations, one discovers the beauty of the algebraic properties that the equations possess. Differential equations: Their solution using symmetries.", "mime": "application/pdf"}, {"id": "ap-836", "words": "4533", "extension": ".pdf", "flesch": "64", "author": "Baro\u0148\u00e1k, I.; Voz\u0148\u00e1k, M.", "title": "CaC in ATM \u2013 the Diffuse Method", "date": "2006", "keywords": "cell; connections; diffuse; method; series; service; \ufffd \ufffd", "summary": "In the same manner as for CFB we can derive CIB, during which time we start from relation (8), and we get CIB \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd 2 2 22 , (14) where the artificial variable is determined \ufffd \ufffd\ufffd \ufffd \ufffd2 2\ufffd \ufffdln( ) ln( ). From relation (1) we obtain the quadratic equation ( ) ( )\ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffdC C2 2 12 2 0, (10) where for the account we use artificial variables \ufffd \ufffd \ufffd\ufffd 2 2B (11) and \ufffd \ufffd \ufffd1 2\ufffd ln( ).", "mime": "application/pdf"}, {"id": "ap-8360", "words": "6417", "extension": ".pdf", "flesch": "59", "author": "Primus, Tom\u00e1\u0161; Nov\u00e1k, Martin; Zeman, Pavel; Hole\u0161ovsk\u00fd, Franti\u0161ek", "title": "Femtosecond laser processing of advanced technical materials", "date": "2023", "keywords": "ablation; figure; hatching; laser; materials; rate; removal; repetition; roughness; scanning; steel; structure; surface; ti6al4v", "summary": "In spite of this fact, the volume ablation rate parameter could be useful for describing processes that need higher material ablation without regard to energy consumption. Accumulation effects in laser ablation of metals with high-repetition-rate lasers.", "mime": "application/pdf"}, {"id": "ap-8362", "words": "6077", "extension": ".pdf", "flesch": "54", "author": "Kal\u00fas , Daniel; Koudelkov\u00e1, Daniela; Mu\u010dkov\u00e1, Veronika; Sokol, Martin; Kur\u010dov\u00e1, M\u00e1ria; \u0160\u0165astn\u00fd, Patrik", "title": "Parametric study of the energy potential of a building\u2019s envelope with integrated energy-active elements", "date": "2022", "keywords": "building; energy; exterior; heat; heating; interior; k)\u22121; layer; pipes; structure; temperature", "summary": "The predetermination of these building structures for the application of renewable energy sources and waste heat represents an energy-secure and self-sufficient technical solution as a fully-fledged alternative to energy systems dependent on fossil fuels. Optimization of energy systems with long-term heat accumulation.", "mime": "application/pdf"}, {"id": "ap-8379", "words": "6261", "extension": ".pdf", "flesch": "56", "author": "Kotsovou, Gregoria; Vougioukas, Emmanouil; Cotsovos, Demetrios M.", "title": "Application of strut-and-tie models for assessing RC half-joints not complying with current code specifications", "date": "2022", "keywords": "beam; figure; load; stm; tie", "summary": "However, the experiment established that failure was preceded by yielding and/or rupture, in the region of the re-entrant corner, of not only the three 12 mm diameter U bars comprising tie T1, but also the four 12 mm diameter diagonal bars comprising tie T2 and the two-legged 10 mm diameter link closest to the re-entrant corner; moreover, the specimen suffered horizontal splitting of concrete in the compressive zone in the region of the nib (see Figure 4) Therefore, failure of the STM can only occur due to a failure of the weakest of ties T1, T2 and T3 relative to the force expected to develop when the beam\u2019s VEXP is attained.", "mime": "application/pdf"}, {"id": "ap-838", "words": "5855", "extension": ".pdf", "flesch": "47", "author": "B\u00edba, J.; Vok\u0159\u00ednek, J.", "title": "Multi-agent Contracting and Reconfiguration in Competitive Environments using Acquaintance Models", "date": "2006", "keywords": "agent; commitments; contract; contracting; costs; customer; environments; margin; profit; provider; reconfiguration", "summary": "3.2 Contract setting An extension of levelled commitment contracts has been introduced by Excelente-Toledo et al. in [8]. Keywords: multi-agent systems, competitive environments, reconfiguration, decommitment, contract price, penalty. may consequently harm the others.", "mime": "application/pdf"}, {"id": "ap-840", "words": "1890", "extension": ".pdf", "flesch": "55", "author": "Drahovzal, O.", "title": "Supply Chain in Electro-Energetics and Real Options", "date": "2006", "keywords": "deviations; electricity; price; \ufffd \ufffd", "summary": "The Black-Scholes formulas for standard Euro- pean call and put options have the following form: C S N d X N drt\ufffd \ufffd \ufffd \ufffd \ufffd\ufffd( ) ( )1 2e (3) P S N d X N drt\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd( ) ( )1 2e (4) d S X r t t1 2 2 \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd ln \ufffd \ufffd (5) d The formula for calculating the value of the option to switch then has the following form: V P C\ufffd \ufffd (7) and the formula for calculating the total value of a connection has the following form: V V C n C t t n T E\ufffd \ufffd \ufffd\ufffd \ufffd 0 1 .", "mime": "application/pdf"}, {"id": "ap-8418", "words": "5790", "extension": ".pdf", "flesch": "62", "author": "Diep, Hau Than; Nguyen, Gia Buu; Mohamad, Barhm", "title": "Remapping and simulation of EFI system for SI engine using piggyback ECU", "date": "2023", "keywords": "air; ecu; engine; figure; fuel; ignition; injection; load; pulse; simulation; speed; timing; width", "summary": "The equation relates the engine MAF to the manifold gas pressure (MAP), engine speed, and in- take manifold gas temperature. 2/2023 Remapping and Simulation of EFI System for SI Engine Using Piggyback ECU mass flow rate (MAF), engine speed, and intake man- ifold gas temperature (IAT) from engine performance testing [16].", "mime": "application/pdf"}, {"id": "ap-842", "words": "4833", "extension": ".pdf", "flesch": "48", "author": "Havl\u00ed\u010dek, L.", "title": "Financing of Liabilities Beyond the Service Life of Nuclear Installations", "date": "2006", "keywords": "decommissioning; fuel; liabilities; liability; operator; plant; waste; \ufffd \ufffd", "summary": "When the first generation of nuclear power plants was built, nuclear liabilities were not taken into account and contributions to such a fund was not an organic part of product (electricity) price. Especially in countries where there was no clear border between the civilian and military nuclear program, past nuclear liabilities will have to be covered from the state budget.", "mime": "application/pdf"}, {"id": "ap-8420", "words": "5772", "extension": ".pdf", "flesch": "53", "author": "Ola, Samuel Akinlabi; Usifoh, Osemudiamen Ayoposi; Nnochiri, Emeka Segun", "title": "The effects of potassium permanganate on the geotechnical properties of soils", "date": "2023", "keywords": "content; effects; increases; kmno4; limit; moisture; percentage; permanganate; potassium; potassium permanganate; soil", "summary": "Keywords: Atterberg limits, California bearing ratio, kaolinitic soil, lateritic soil, potassium perman- ganate. [21], reported a reduction in bulk den- sity (which is related to specific gravity) in the analysis of potassium permanganate reactive soils.", "mime": "application/pdf"}, {"id": "ap-8426", "words": "11939", "extension": ".pdf", "flesch": "54", "author": "Lindh, Per; Lemenkova, Polina", "title": "Utilising Pareto efficiency and RSM to adjust binder content in clay stabilisation for Yttre Ringv\u00e4gen, Malm\u00f6", "date": "2023", "keywords": "analysis; binders; ccd; cement; civil; clay; content; design; effects; engineering; figure; geotechnical; lime; methods; mixture; opc; results; soil; soil stabilisation; stabilisation; strength; water", "summary": "Finally, to examine the variables important for soil stabilisation, we also evaluated the effect of the amount of binder and the interaction between cement/lime/slag in different ratios: 30-50-20 %; 50-50-0 %; 100-0-0 % The paper highlights the major opportunities and challenges of engineering statistics as a cross-cutting research direction for the issues of civil engineering. Despite widespread applications in civil engineering and extensive existing research, there are still some challenges in soil stabilisation, including the following: (1.)", "mime": "application/pdf"}, {"id": "ap-8428", "words": "6493", "extension": ".pdf", "flesch": "63", "author": "Shete, Sangeeta; Joshi, Prasad", "title": "Comparative study of state space averaging and PWM with extra element theorem techniques for complex cascaded DC-DC Buck converter", "date": "2023", "keywords": "circuit; complex; converter; figure; modelling; pwm; space; state; switch", "summary": "Analytical techniques for DC DC converters and 1\u03a6 inverters: A comprehensive review. Simplified analysis of PWM converters using model of PWM switch.", "mime": "application/pdf"}, {"id": "ap-8432", "words": "3765", "extension": ".pdf", "flesch": "58", "author": "\u010eurica, Jakub; Sovjak, Radoslav; Boro\u0161, Martin; Kuffa, Radoslav", "title": "The effect of ambient temperature on the delay time of perimeter protection", "date": "2023", "keywords": "barriers; delay; perimeter; protection; security; system; temperature; test; time", "summary": "The six basic groups of perimeter security barriers are: \u2022 classic wire fencing, \u2022 security fencing, \u2022 high security fencing, \u2022 top barriers, \u2022 anti-scaling barriers, \u2022 entrances, driveways, and other units [26]. This type of test was chosen because perimeter security barriers are exposed to different thermal influences from the environment, either low minus temperatures or high plus temper- atures and the technical standard does not take this 322 vol.", "mime": "application/pdf"}, {"id": "ap-844", "words": "1577", "extension": ".pdf", "flesch": "52", "author": "Lakkundi, V.", "title": "Ultra Wideband Communications: History, Evolution and Emergence", "date": "2006", "keywords": "applications; communications; radar; technology; uwb; wideband", "summary": "UWB radios are designed to use coherent wide-rela- tive-bandwidth propagation, which has no Rayleigh fading. Another chal- lenge is the need for the industry to agree upon common standards for interoperability of UWB devices.", "mime": "application/pdf"}, {"id": "ap-8451", "words": "4625", "extension": ".pdf", "flesch": "59", "author": "Ka\u0161par , Ond\u0159ej; Kravcov, Alexander; \u0160toller, Ji\u0159\u00ed; Kube\u010dek, Petr; Vnuk, Radovan; Zu\u0161\u0165\u00e1k, Zbyn\u011bk", "title": "Estimation of stresses in a massive granite using laser ultra-sonic testing and stress memory effect", "date": "2023", "keywords": "effect; emission; granite; methods; pb1; rock; situ; specimens; stress; stresses", "summary": "However, since available archive materials do not have the level of detail that is required for a numerical simulation, the vertical stresses in the rock mass were calculated under the assumption that rock stress changes with depth as a result of geostatic load, according to which the expression for vertical stresses is as follows \u03c3 = \u03c1 g h, (4) where habb is the depth. ISRM suggested methods for rock stress estimation \u2013 Part 2: overcoring methods.", "mime": "application/pdf"}, {"id": "ap-846", "words": "1302", "extension": ".pdf", "flesch": "52", "author": "M\u00e1lek, J.", "title": "Bayesian Classifier for Medical Data from Doppler Unit", "date": "2006", "keywords": "classifier; data; features; signals", "summary": "For each class, selected signal features were extracted and then used for training a Bayesian classifier. 1.1 Classes Normal course \u2013 Signals acquired by an examination of arter- ies without peripheral arterial disease (PAD) \u2013 Fig. 1. Stenotic course \u2013 Signals measured in arteries with a stenotic diameter \u2013 Fig.", "mime": "application/pdf"}, {"id": "ap-8463", "words": "7293", "extension": ".pdf", "flesch": "56", "author": "Belynda, Fares; Abdelli, Radia; Bouzida, Ahcene", "title": "Stator current signal crossing for fault diagnosis of self-excited induction generators", "date": "2023", "keywords": "circuit; current; fault; figure; frequency; induction; rotor; scsc; seig; self; signal; stator", "summary": "This method for diagnosing SEIG faults uses a synthetic signal con- taining information about the timing and amplitude of three-phase current crossings. This lower sideband frequency component of (1 \u2212 2s)fs can be used for diagnosing rotor faults.", "mime": "application/pdf"}, {"id": "ap-8466", "words": "3223", "extension": ".pdf", "flesch": "59", "author": "Uher, Ond\u0159ej; Kr\u00e1l, Michal; Cabrnoch, Bohuslav; Kruml, Josef", "title": "The application of 3D printing technology in the design of sandwich panels", "date": "2024", "keywords": "design; figure; inserts; printing; sandwich; test", "summary": "In terms of implementation, it is possible to distinguish between two basic categories of inserts \u2013 hot bonded inserts and potted inserts. The subject of this paper are potted inserts.", "mime": "application/pdf"}, {"id": "ap-848", "words": "1208", "extension": ".pdf", "flesch": "52", "author": "Myslive\u010dek, O.", "title": "A business process model as a starting point for tight cooperation among organizations", "date": "2006", "keywords": "business; process; processes", "summary": "Keywords: Business process management, business process model, outsourcing, joint venture, poster 2006. [1, 2, 4]. 3 Procedure for process outsourcing If a company has business process management already integrated into its management system, it has a very good starting point for successful outsourcing of its processes.", "mime": "application/pdf"}, {"id": "ap-8481", "words": "5665", "extension": ".pdf", "flesch": "53", "author": "Naman, Hala A.; Abdelkareem, Ammar E.", "title": "Self-interference cancellation in underwater acoustic communications systems using orthogonal pilots in IBFD", "date": "2023", "keywords": "channel; communication; duplex; figure; interference; model; self; signal; system; underwater", "summary": "Related works In this section, we cover the literature on communication channel models for multipath propagation and self-interference cancellation methods in full-duplex transmissions. SI channel model The channel coefficients and the magnitude channel impulse response, in seconds, for the Self node are generated based on the proposed modelr [20].", "mime": "application/pdf"}, {"id": "ap-8497", "words": "5867", "extension": ".pdf", "flesch": "64", "author": "Chand, Madhusmita; Paitandi, Mamoni; Gupta, Mahendra Kumar", "title": "Qualitative sign stability of linear time invariant descriptor systems", "date": "2023", "keywords": "links; matrix; number; pair; qualitative; sign; stability", "summary": "Matrix pairs which are stable, independent of their magnitudes with only sign information are denoted as Qualitative Sign Stable (QLSS) matrix pairs and Matrix pairs, whose stability/instability depend upon the magnitude information of the matrix pair elements, are denoted as Magnitude Dependent Stable/Unstable (MDS/U) matrix pairs.", "mime": "application/pdf"}, {"id": "ap-850", "words": "2272", "extension": ".pdf", "flesch": "60", "author": "Salinger, J.", "title": "Measurement of Solar Cell Parameters with Dark Forward I-V Characteristics", "date": "2006", "keywords": "cell; charge; current; levels; \ufffd \ufffd", "summary": "I A J e V R I kT A J e V R I DF S S \ufffd \ufffd\ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 01 1 02 exp exp \ufffd \ufffd2 1 kT V R I R \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd S P , (1) where A stands for the area of the sample, J01 is diffusion current density, J02 is generation-recombination current den- sity, \ufffd1 and \ufffd2 are the diode factors, RS is the series resistance, RP is the shunt resistance, e is the electric charge, and k is the Bolzmann constant. The values of the shunt resistance at the highest tem- peratures were always lower than at room temperature (RT), but some differences were found: 26 \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ Acta Polytechnica Vol. 46 No. 4/2006 P Fig: 1: Temperature dependence of shunt resistance RP of sam- ples #1942-02 (\ufffd), #20 (\ufffd) and LE2 (\ufffd) Fig.", "mime": "application/pdf"}, {"id": "ap-8518", "words": "8000", "extension": ".pdf", "flesch": "61", "author": "Awan, Muhammad Umer Farooq; Khan, Mahmood; Waheed, Khalid; Iqbal, Zafar; Rehman, Abdul; Ali, Fahad; Shahzad, Muhammad; Saim, Muhammad Abdul Basit; Akhtar, Shahid; Aune, Ragnhild Elizabeth", "title": "Parametric optimisation of friction stir welding on aluminium alloy (EN AW-1100) plates", "date": "2023", "keywords": "alloy; figure; friction; fsw; hardness; materials; parameters; probe; results; speed; stir; strength; tensile; tool; traverse; welding; zone", "summary": "Effect of tool rotational speed on the microstructure and mechanical properties of bobbin tool friction stir welded 6082-T6 aluminum alloy. [23] J. Victor Christy, A.-H. Ismail Mourad, M. M. Sherif, B. Shivamurthy.", "mime": "application/pdf"}, {"id": "ap-8519", "words": "3510", "extension": ".pdf", "flesch": "60", "author": "Cihla, Michal; Kov\u00e1\u0159ov\u00e1, Kate\u0159ina; Mal\u00e1t, Richard; Valach, Jaroslav; Kov\u00e1\u0159ov\u00e1, Kate\u0159ina", "title": "Stone Topography \u2013 Useful Tool in Monuments Restoration Process", "date": "2022", "keywords": "cihla; prague; stone; stonemason; surface; tool; topography; traces", "summary": "The aim of this analysis is to identify tool traces, reconstruct the tools that produced them and outline the stone working process. Database of traces and reconstruction of historical stone tools.", "mime": "application/pdf"}, {"id": "ap-852", "words": "2286", "extension": ".pdf", "flesch": "59", "author": "Spiertz, M.; Rusert, T.", "title": "Central Decoding for Multiple Description Codes based on Domain Partitioning", "date": "2006", "keywords": "decoder; fig; quantization; rate; \ufffd \ufffd", "summary": "2: Domain based MDC, qi \ufffd quantization error correspond- ing to a quantization interval \ufffdi 2.2 Reconstruction by linear superposition 5 shows that in the case of \ufffd \ufffd2 1 2 1\ufffd \ufffd \ufffd \ufffdk n k n, , \ufffd the linear superposition method gets worse than the highest rate method.", "mime": "application/pdf"}, {"id": "ap-8536", "words": "9119", "extension": ".pdf", "flesch": "71", "author": "Farkas, Izabella Ingrid; Pelantov\u00e1, Edita; Svobodov\u00e1, Milena", "title": "From positional representation of numbers to positional representation of vectors", "date": "2023", "keywords": "addition; digit; matrix; number; parallel; set; system", "summary": "If addition in a matrix numeration system (M, D) with base M \u2208 Zm\u00d7m and a finite digit set D \u2282 The numeration system is given by a square matrix base M \u2208 Zm\u00d7m and by a finite set of digits D \u2282 Zm.", "mime": "application/pdf"}, {"id": "ap-854", "words": "2835", "extension": ".pdf", "flesch": "67", "author": "Stehle, T.", "title": "Removal of Specular Reflections in Endoscopic Images", "date": "2006", "keywords": "\ufffd \ufffd", "summary": "( ) W s i (10) Since we seek to minimize the error (8), the line pair we should select in the ith iteration is that which maximizes the energy reduction \ufffd \ufffd\ufffdE iF s\ufffd( )( ) , which can be calculated to \ufffd \ufffd\ufffdE i \ufffd Estimate \ufffd( )( )F s i , \ufffd( )( )F N s", "mime": "application/pdf"}, {"id": "ap-8540", "words": "3016", "extension": ".pdf", "flesch": "61", "author": "Lakhdari, Meftah; Rabhi, Boualaga; Benaissa, Amar", "title": "A new structural reconfiguration for multilevel inverters with fault tolerance capability", "date": "2024", "keywords": "case; circuit; fault; figure; inverter; leg; phase; tolerance", "summary": "Fault detection at three-level NPC inverters A diagnosing method for switch failures will be de- velop based on the analysis of electrical quantities with voltage characteristics. Three-phase 3-level NPC inverter with 12 voltage sensors for fault detection.", "mime": "application/pdf"}, {"id": "ap-8549", "words": "4807", "extension": ".pdf", "flesch": "55", "author": "Lito\u0161, Ji\u0159\u00ed; \u0160\u00e1na, Vladim\u00edr; Uhl\u00edk, Adam; Kol\u00e1\u0159, Karel; Nguyen, Mark\u00e9ta", "title": "Mechanical and physical properties of cement mixtures for 3D processing", "date": "2023", "keywords": "cement; figure; materials; mixture; printing; processing; properties; strength; values", "summary": "Thanks to a controlled and continuous hydration process, such mixtures retain a sufficient workability time and also have a rapid increase in initial, especially mechanical, properties. This production method has started to develop very fast, which brings the need to design a suitable composition of mixture for this tech- nology.", "mime": "application/pdf"}, {"id": "ap-856", "words": "2018", "extension": ".pdf", "flesch": "55", "author": "\u0160imek, M.", "title": "Embedded Operating System for MicroBlaze", "date": "2006", "keywords": "boot; file; kernel; microblaze; system; uclinux", "summary": "In the case of embedded systems, this allows an increasing amount of their functionality to be moved to software, instead of designing it as a pure hardware solution. Keywords: Embedded systems, operating systems, configurable HW, MicroBlaze. Fig.", "mime": "application/pdf"}, {"id": "ap-858", "words": "1352", "extension": ".pdf", "flesch": "57", "author": "Valou\u0161ek, P.", "title": "A Digital Loudspeaker: Experimental Construction", "date": "2006", "keywords": "array; digital; fig; loudspeaker; signal", "summary": "A digital loudspeaker is a single device system which uses di- rect D/A conversion for digital audio signals. Keywords: Digital loudspeaker, signal processing, transducer array.", "mime": "application/pdf"}, {"id": "ap-8590", "words": "3317", "extension": ".pdf", "flesch": "63", "author": "Uher, Ond\u0159ej; Kruml, Josef; Kr\u00e1l, Michal", "title": "Verification of mechanical properties of forged moulding compound composite for small structural parts of microsatellites", "date": "2025", "keywords": "matrix; mould; reinforcement; samples; test", "summary": "Calculated tensile modules for different lengths of reinforcement fibres. For detailed results of test samples see Tables 6 and 7.", "mime": "application/pdf"}, {"id": "ap-8593", "words": "5497", "extension": ".pdf", "flesch": "55", "author": "Menasri, Noureddine; Zergane , Said; Aimeur, Noureddine; Amour, Aissa", "title": "3D CFD model for the analysis of the flow field through a horizontal axis wind turbine (HAWT)", "date": "2023", "keywords": "analysis; axis; blade; cfd; design; energy; figure; flow; model; pressure; turbine; turbine blade; wind; wind turbine", "summary": "[31] conducted a study on the aero- dynamic efficiency of wind turbine blades in a wind tunnel. The simulation results in this study, partic- ularly the analysis of pressure coefficients, provide valuable insights into the performance and design optimisation of wind turbine blades.", "mime": "application/pdf"}, {"id": "ap-8599", "words": "6028", "extension": ".pdf", "flesch": "59", "author": "Berrahou, Mohamed; Zahraoui, Mehdi; Hocine, Kamel; Djebbar, Samir; Guermit, Youcef; Benzineb, Hayet", "title": "Influence of localised corrosion shape on adhesive damage and a bonded assembly under thermo-mechanical loading", "date": "2025", "keywords": "adhesive; composite; confidence; corrosion; crack; figure; shape; square; stress", "summary": "Stress corrosion cracking behaviour of 7xxx aluminum alloys: A literature review. Tensile property values as a function for different corrosion shapes. 3.2.3.", "mime": "application/pdf"}, {"id": "ap-860", "words": "2615", "extension": ".pdf", "flesch": "66", "author": "V\u00edtek, T.; Pachner, D.", "title": "A Reservation Aggregation Framework Design for Demand Estimation", "date": "2006", "keywords": "data; r r; reservations; time; \ufffd r; \ufffd \ufffd", "summary": "The past indi- ces induce the following occupation and price aggregations for all elements of the ordered set Rp \ufffd \ufffd \ufffd\ufffd \ufffdr r R r ri \ufffd \ufffd \ufffd , (8) \ufffd \ufffdR r R r", "mime": "application/pdf"}, {"id": "ap-8601", "words": "8155", "extension": ".pdf", "flesch": "63", "author": "Rahul, Amit Kumar; Singh, Manoj Kumar; Tiwari, Ravi; Paul, Sourabh; Rao, Pentyala Srinivasa; Biswas, Rohahn", "title": "Semi-analytical approach-based studies of the squeeze film lubrication between rough porous annular discs: Rabinowitsch fluid model", "date": "2023", "keywords": "discs; film; fluid; roughness; squeeze; surface", "summary": "We can learn much more about porous roughness annular discs and unlock their potential to solve challenging problems across a range of industries by incorporating these research directions. Squeeze film behaviour in porous annular discs lubricated with magnetic fluid.", "mime": "application/pdf"}, {"id": "ap-8605", "words": "4548", "extension": ".pdf", "flesch": "66", "author": "Fl\u00eddr, Erik", "title": "Derivation of entropy production in a fluid flow in a general curvilinear coordinate system", "date": "2023", "keywords": "entropy; equation; fluid; production; tensor", "summary": "Keywords: Entropy production, fluid flow, general curvilinear coordinates, linear blade cascade, experimental data. 2/2023 Derivation of entropy production in a fluid flow 4.", "mime": "application/pdf"}, {"id": "ap-8606", "words": "7735", "extension": ".pdf", "flesch": "56", "author": "Semenov, Stanislav; Mikhailov, Evgeny; Kliuiev, Sergii; Di\u017eo, J\u00e1n; Blatnick\u00fd, Miroslav; Ishchuk, Vadym", "title": "Improving the energy efficiency of a tram\u2019s running gear", "date": "2023", "keywords": "bogie; contact; design; energy; gear; movement; n\u00b7kn\u22121; rail; railway; resistance; running; track; tram; transport; vehicle; wheels", "summary": "Currently, the transport industry is faced with the urgent task of ensuring the energy efficiency of vehicles, including rail vehicles. Among several ways to create rail vehicles with competitive energy efficiency indicators, one of the most promising is the use of innovative bogie designs [17\u201321].", "mime": "application/pdf"}, {"id": "ap-8612", "words": "4960", "extension": ".pdf", "flesch": "50", "author": "Royaei, Javad; Sadeghi, Kabir; Nouban, Fatemeh", "title": "A comparative experimental investigation of high-temperature effect on fibre concrete and high strength concrete using UT and CM methods", "date": "2023", "keywords": "concrete; error; machine; minutes; results; samples; strength; temperatures; test; ultrasonic", "summary": "Finally, the summary of the comparison of the re- sults of compressive strength tests of concrete samples with a compression machine and the ultrasonic test is as follows in Figure 15. Based on the summary of the comparison of the re- sults of compressive strength tests of concrete samples with the compression machine and ultrasonic test, it Figure 14.", "mime": "application/pdf"}, {"id": "ap-862", "words": "1575", "extension": ".pdf", "flesch": "60", "author": "Ritty, A.", "title": "Directional Loudspeaker Using a Parametric Array", "date": "2006", "keywords": "transducer; wave; \ufffd \ufffd", "summary": "He suggests that the sound pressure of secondary waves (ps) produced by the nonlinear interaction is \ufffdp c p t c p t s s p \ufffd \ufffd \ufffd 1 0 2 2 2 0 0 4 2 2 2 \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd , (1) where pp is the sound pressure of primary waves, \ufffd is the non- linear coefficient, \ufffd0 is air density, and c0 is sound velocity. AP_06_4.vp 1 Headline of a section The nonlinearities of air cause high frequency wave components (primary waves) to interact.", "mime": "application/pdf"}, {"id": "ap-8631", "words": "7220", "extension": ".pdf", "flesch": "51", "author": "Al-Awad, Nasir Ahmed; Humaidi, Amjad Jaleel; Al-Araji, Ahmed Sabah", "title": "Fractional multi-loop active disturbance rejection control for a lower knee exoskeleton system", "date": "2023", "keywords": "adrc; control; controller; disturbance; exoskeleton; fadrc3; figure; fractional; journal; knee; observer; order; performance; rehabilitation; rejection; system", "summary": "The definition of fractional calculus proposed by Caputo is widely used in fractional order control The general idea of FADRC1 for Exoskele- ton control system. to comprehensively estimate the un-modelled errors and external disturbances.", "mime": "application/pdf"}, {"id": "ap-864", "words": "1441", "extension": ".pdf", "flesch": "65", "author": "Poly\u00e1k, T.", "title": "Robust Watermarking of Video Streams", "date": "2006", "keywords": "algorithm; video; watermark", "summary": "After this, there will be large 0 and 1 islands, so that during watermark detection the patterns can be more easily recog- nized, and the watermark will be more resistant to attack. Payload: different applications need watermarks of differ- ent sizes.", "mime": "application/pdf"}, {"id": "ap-866", "words": "1828", "extension": ".pdf", "flesch": "62", "author": "Pourov\u00e1, M.; Vrba, J.", "title": "Microwave Drying of Textile Materials and Optimization of a Resonant Applicator", "date": "2006", "keywords": "drying; fig; textile", "summary": "Rela- 5 Acta Polytechnica Vol. 46 No. 5/2006 Fig. 5: Tools for optimizing the microwave dryer a) b) Fig. 6: Dependence of electric field strength on distance \ufffd and relative permittivity \ufffdtex (tg\ufffd \ufffd 0.566), 3D (a) and 2D (b) display of the quantities tive permittivity and loss factor are decreasing with decreas- ing water content. Also the complex permittivity of dried textile is not constant during the proce- dure.", "mime": "application/pdf"}, {"id": "ap-8664", "words": "3882", "extension": ".pdf", "flesch": "54", "author": "G\u00f6k, Kadir; Dan\u0131\u015fmaz, Merdin; Urtekin, Levent; Ada, Hediye Deniz; G\u00f6k, Arif", "title": "Investigation of the effect of elbow pipes of Ti6Al4V, 304 stainless steel, AZ91 materials on erosion corrosion by finite element analysis", "date": "2024", "keywords": "corrosion; deformation; elbow; erosion; figure; flow; fluid; materials; modulus; pipe; shear", "summary": "There are some studies in the literature on the corro- sion damage caused by the type of elbow pipe material that carries the fluid on the inner surface of the pipe. Licensed under a CC-BY 4.0 licence Published by the Czech Technical University in Prague INVESTIGATION OF THE EFFECT OF ELBOW PIPES OF TI6AL4V, 304 STAINLESS STEEL,", "mime": "application/pdf"}, {"id": "ap-8666", "words": "9101", "extension": ".pdf", "flesch": "64", "author": "H\u00e1la, Petr; H\u00e1la, Petr; \u0160mejkal, Filip; Sovj\u00e1k, Radoslav", "title": "Compression behaviour and failure mechanisms of a safety culvert made of hollow high-performance concrete blocks", "date": "2023", "keywords": "bearing; block; capacity; central; column; compressive; concrete; cracks; diameter; figure; load; opening; strength", "summary": "For concrete blocks, brick elements with a side length of approximately 35 mm and linear basis functions are used. Input parameters used with the fracture plastic constitutive model for concrete blocks.", "mime": "application/pdf"}, {"id": "ap-8672", "words": "8880", "extension": ".pdf", "flesch": "66", "author": "Hadidi, Nacer; Bouaziz, Mohamed; Mahfoudi, Chawki; Zaharuddin, Mohamed", "title": "Geometric approach to solving inverse kinematics of six DOF robot with spherical joints", "date": "2023", "keywords": "angle; approach; cos; dof; effector; end; equation; figure; inverse; inverse kinematics; joint; kinematics; method; position; robot; sin; vectors; \u2212\u2212\u2192", "summary": "+ ay.nz.sx + az.nx.sy \u2212 az.ny.sx) , s2 = \u2212(a2.s3 \u2212 a3.s2) (ax.ny.sz \u2212 ax.nz.sy \u2212 ay.nx.sz + ay.nz.sx + az.nx.sy \u2212 az.ny.sx) , s3 = (n2.s3 \u2212 n3.s2) (ax.ny.sz \u2212 ax.nz.sy \u2212 ay.nx.sz + ay.nz.sx + az.nx.sy \u2212 az.ny.sx) , n1 = \u2212(ax.sz \u2212 az.sx) (ax.ny.sz \u2212 ax.nz.sy \u2212 ay.nx.sz + ay.nz.sx + az.nx.sy \u2212 az.ny.sx) , n2 = (ax.sz \u2212 az.sx) (ax.ny.sz \u2212 ax.nz.sy \u2212 ay.nx.sz + ay.nz.sx + az.nx.sy \u2212 az.ny.sx) , n3 = \u2212(nx.sz \u2212 nz.sx) (ax.ny.sz \u2212 ax.nz.sy", "mime": "application/pdf"}, {"id": "ap-8679", "words": "6607", "extension": ".pdf", "flesch": "51", "author": "Benbakreti, Samir; Benbakreti, Soumia; Ozkaya, Umut", "title": "The classification of eye diseases from fundus images based on CNN and pretrained models", "date": "2024", "keywords": "accuracy; classification; cnn; dataset; diseases; eye; fundus; images; learning; model; network; optimiser; resnet; results; training; vgg", "summary": "Computer-aided diagnosis using deep neural networks is a promising approach, it can analyse and process retinal fundus images, providing valuable reference data for doctors in clinical diagnosis or screening. Keywords: Eye diseases classification, retinal fundus images, deep learning, pretrained models, SGDM.", "mime": "application/pdf"}, {"id": "ap-868", "words": "3813", "extension": ".pdf", "flesch": "57", "author": "Kuhlenk\u00f6tter, B.; Zhang, X.; Krewet, C.", "title": "Quality Control in Automated Manufacturing Processes \u2013 Combined Features for Image Processing", "date": "2006", "keywords": "classification; defects; features; fig; image; ratio; software; system", "summary": "A large range of methods is introduced to present defect images. The challenge in our project now is to characterise and determine the type of defects from predefined categories and additional foulings (which are called pseudo-defects in our project) on the surface.", "mime": "application/pdf"}, {"id": "ap-870", "words": "5549", "extension": ".pdf", "flesch": "52", "author": "Dol\u0161ak, B.; Novak, M.; Kaljun, J.", "title": "Intelligent Support for a Computer Aided Design Optimisation Cycle", "date": "2006", "keywords": "analysis; computer; defects; design; knowledge; mesh; optimisation; process; system; user", "summary": "It is becoming more and more evident that adding intelligence to existing computer aids, such as computer aided design systems, can lead to significant improvements in the effective and reliable performance of various engineering tasks, including design optimisation. Evidently, traditional design optimisation systems that concentrate on numerical aspects of design process are not successful in integrating numerical parts with human expertise [3].", "mime": "application/pdf"}, {"id": "ap-872", "words": "5085", "extension": ".pdf", "flesch": "50", "author": "Caputo, F.; Gironimo, G. Di; Marzano, A.", "title": "Ergonomic Optimization of a Manufacturing System Work Cell in a Virtual Environment", "date": "2006", "keywords": "analysis; body; design; ergonomics; human; method; pei; work; \ufffd \ufffd", "summary": "PEI \ufffd \ufffd \ufffdI I I1 2 3 (1) At present various commercial systems are avail- able for ergonomic analysis of human posture and workplace design.", "mime": "application/pdf"}, {"id": "ap-8720", "words": "8052", "extension": ".pdf", "flesch": "55", "author": "Bencheriet, Chemesse Ennehar; Abdelmoum\u00e8ne, Hiba; Sebbagh, Abdennour; Yahiyaoui, Abdennour; Taba, Zahra", "title": "Fake face detection based on a multi discriminator deep CNN architecture (MDD-CNN)", "date": "2023", "keywords": "architecture; cnn; dataset; deep; deepfake; detection; discriminator; faces; figure; generator; images; learning; network; training; videos", "summary": "Fake face images. Real face images.", "mime": "application/pdf"}, {"id": "ap-874", "words": "5938", "extension": ".pdf", "flesch": "64", "author": "S\u00fdkora, M.", "title": "Advanced Load Effect Model for Probabilistic Structural Design", "date": "2006", "keywords": "conditions; probability; process; t t; \ufffd p; \ufffd t; \ufffd \ufffd", "summary": "Since the integration variable \ufffd\ufffd(0, \ufffd) in (19) is always positive, FT0on(\ufffd) is evaluated for values 0 \ufffd \ufffd\ufffd\ufffd \ufffd \ufffd. (10) Substitution of (3) and (10) into (7) leads to CDF FT0eff(t) F e e eeffT t t tt t t0 1 1 1( ) ( )\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd\ufffd \ufffd\ufffd \ufffd \ufffd .", "mime": "application/pdf"}, {"id": "ap-876", "words": "2812", "extension": ".pdf", "flesch": "65", "author": "Stenzel, R.; M\u00fcller, L.; Herrmann, T.; Klix, W.", "title": "Numerical Simulation of Nanoscale Double-Gate MOSFETs", "date": "2006", "keywords": "fig; gate; \ufffd \ufffd", "summary": "If equations (10) and (11) are neglected, i. e., for \ufffdp \ufffd \ufffdn \ufffd 0, the QHD model can be re- duced to the conventional hydrodynamic (HD) model. If the carrier temperatures are set to lattice temperature and equations (6) to (9) are neglected, the quantum drift diffusion (QDD) model and additionally for \ufffdp \ufffd \ufffdn \ufffd 0 the conven- tional drift diffusion (DD) model can be obtained.", "mime": "application/pdf"}, {"id": "ap-878", "words": "2072", "extension": ".pdf", "flesch": "61", "author": "Poul, R.; R\u016f\u017ei\u010dka, P.; Hanus, . D.; Blahou\u0161, K.", "title": "Design of Carbon Composite Driveshaft for Ultralight Aircraft Propulsion System", "date": "2006", "keywords": "composite; design; failure; shaft; version; \ufffd \ufffd", "summary": "Shaft version two did not take the need of low torsional stiffness into account. Following layups are designed for shafts version 2 and 3.", "mime": "application/pdf"}, {"id": "ap-880", "words": "3650", "extension": ".pdf", "flesch": "60", "author": "Weiss, S.; J\u00e4nsch, J.; Birkhofer, H.", "title": "Term Analysis \u2013 Improving the Quality of Learning and Application Documents in Engineering Design", "date": "2006", "keywords": "concept; documents; list; termini; variations", "summary": "If one uses different termini to describe the same concept, the learner starts to look for differences in the properties and tries to set up a second category or concept. So, different termini can be treated as one and the Potential Term List is reduced again.", "mime": "application/pdf"}, {"id": "ap-882", "words": "2600", "extension": ".pdf", "flesch": "49", "author": "Zaj\u00ed\u010dek, R.; Vrba, J.; Novotn\u00fd, K.", "title": "Evaluation of a Reflection Method on an Open-Ended Coaxial Line and its Use in Dielectric Measurements", "date": "2006", "keywords": "frequency; measurement; method; permittivity; tissue; \ufffd \ufffd", "summary": "The dispersion magnitude is described as \ufffd \ufffd \ufffd\ufffd \ufffd \ufffds . For distilled water, the dielectric constants are: \ufffd \ufffd\ufffd \ufffd 78.3, \ufffd \ufffds \ufffd 4.6, \ufffd \ufffd \ufffd 8.07 ps, \ufffd \ufffdi \ufffd 2 S\ufffdm\ufffd1, \ufffd \ufffd \ufffd 0.014.", "mime": "application/pdf"}, {"id": "ap-884", "words": "4669", "extension": ".pdf", "flesch": "45", "author": "Z\u00edtek, P.; Vyhl\u00eddal, T.; Chysk\u00fd, J.", "title": "Experience of Implementing Moisture Sorption Control in Historical Archives", "date": "2006", "keywords": "air; content; control; humidity; moisture; sorption; temperature; \ufffd \ufffd", "summary": "It is easy to prove that the temperature ratios in (4) are close to one, even if there are substantial differences in B. Consequently the humidity logarithm ratios are also close to one and therefore the re- quired humidity readjustments \ufffdM \ufffd \ufffd0 and \ufffdN \ufffd \ufffd0 have rather low values and cannot differ from each other substan- tially. [5], are used to describe the relationship be- tween EMC as u, and the pair of air temperature T and rela- tive air humidity \ufffd, u \ufffd \ufffd(\ufffd, T).", "mime": "application/pdf"}, {"id": "ap-886", "words": "6033", "extension": ".pdf", "flesch": "60", "author": "Jokl, M. V.; Kabele, K.", "title": "Optimal (Comfortable) Operative Temperature Estimation Based on Physiological Responses of the Human Organism", "date": "2006", "keywords": "body; fig; heat; temperature; values; \ufffd \ufffd", "summary": "\ufffd \ufffd \ufffd \ufffd \ufffd9 07 7 5 157 W\ufffdm\ufffd2 \ufffd\ufffd, G q T Tt,m, m i sk min . . \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd157 366 305 96 2 , i.e. \ufffd4.8 W\ufffdm\ufffd2, where G G Gtt,i, t, i, t,m,min min min . . .", "mime": "application/pdf"}, {"id": "ap-888", "words": "2463", "extension": ".pdf", "flesch": "53", "author": "Kalvoda, L.; Klep\u00e1\u010dek, R.", "title": "Extraction of Alkali Ions Investigated by Conductometric and pH Measurements", "date": "2006", "keywords": "concentration; fig; solutions; tbt; water; \ufffd \ufffd", "summary": "The following stability constants were calculated from the obtained conductivity data, using relation (2): KNa\ufffd \ufffd 7.3\u00d710\ufffd7, KK\ufffd \ufffd 6.5\u00d710\ufffd8, KCa2\ufffd \ufffd 1.6\u00d710\ufffd5, KMg2\ufffd: no measurable reaction. CA OCH COOEt H Cl CA OCH COOH EtCl\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 2 2 .", "mime": "application/pdf"}, {"id": "ap-890", "words": "3035", "extension": ".pdf", "flesch": "53", "author": "Makovi\u010dka, D.", "title": "Response Analysis of an RC Cooling Tower Under Seismic and Windstorm Effects", "date": "2006", "keywords": "load; structure; temperature; towers; walls; wind", "summary": "The starting values of the Winkler-Pasternak constants were selected as follows: C1z \ufffd 3.5 MN/m3, C1x \ufffd C1y \ufffd 2.0 MN/m3, C2x \ufffd C2y \ufffd 50 MN/m. The temperature of the inter- nal columns and is unaffected by temperature fluctuations in the operation process; therefore these members are left without temperature load.", "mime": "application/pdf"}, {"id": "ap-892", "words": "1167", "extension": ".pdf", "flesch": "65", "author": "Rieger, F.", "title": "Determination of Rheological Parameters from Measurements on a Viscometer with Coaxial Cylinders \u2013 Choice of the Reference Radius", "date": "2006", "keywords": "\ufffd \ufffd", "summary": "The shear stresses and shear rates related to radius Rr can be calculated from experimental values \ufffd1 and \ufffd\ufffd1N using the following relations \ufffd \ufffdr r R R \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 1 1 2 , (7) \ufffd \ufffd \ufffd\ufffd \ufffd \ufffdr r r R RN N\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 1 1 2 (8) 3) If the logarithmic plot of shear stress \ufffdr on shear rate \ufffd\ufffd r is linear, the consistency coefficient K is \ufffd-intercept and flow index n is the slope of a straight line.", "mime": "application/pdf"}, {"id": "ap-894", "words": "3482", "extension": ".pdf", "flesch": "60", "author": "Elnagahy, F. I. Y.; Haroon, A. A.; Azzam, Y. A.; Alawy, A. El-Bassuny; Elminir, H. K.; \u0160im\u00e1k, B.", "title": "Embedded Coding of Astronomical Images", "date": "2006", "keywords": "band; bit; coding; images; rpsws; spiht; sub; wavelet", "summary": "The subjective quality tests show that RPSWS reconstructed images are better than SPIHT reconstructed images at lower bit rates, as shown in Fig. At higher bit rates there are no significance differences in the visual qualities of the SPIHT and RPSWS reconstructed images.", "mime": "application/pdf"}, {"id": "ap-896", "words": "2432", "extension": ".pdf", "flesch": "63", "author": "Bo\u0159il, H.; Fousek, P.", "title": "Influence of Different Speech Representations and HMM Training Strategies on ASR Performance", "date": "2006", "keywords": "features; lombard; mfcc; plp; speech; training", "summary": "Are the best models for neutral speech also the best for Lombard speech? HMMs tested with neutral speech appear to converge much earlier than with Lombard speech.", "mime": "application/pdf"}, {"id": "ap-898", "words": "4967", "extension": ".pdf", "flesch": "68", "author": "Soliman, Hussein F.; Attia, Abdel-Fattah; Mokhymar, S. M.; Badr, M. A. L.", "title": "Fuzzy Algorithm for Supervisory Voltage/Frequency Control of a Self Excited Induction Generator", "date": "2006", "keywords": "controller; fig; flc; frequency; value; voltage; wind; \ufffd \ufffd", "summary": "qr qs dr ds\ufffd \ufffd \ufffd \ufffd( ) ( ) 16: Dynamic response of duty cycle for PI with and without FLC Fig. 17: Suddenly variation for the wind speed versus time Appendix SEIG differential equations at no load vds Stator Voltage (volt) Differential Equation at Direct Axis v R i ps b b ds ds qs ds\ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd , (1) vqs Stator Voltage Differential Equation at Quadrate Axis v R i ps b b qs qs ds qs \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd ,", "mime": "application/pdf"}, {"id": "ap-900", "words": "3657", "extension": ".pdf", "flesch": "57", "author": "Prajzler, V.; Burian, Z.; H\u00fcttel, I.; \u0160pirkov\u00e1, J.; Ham\u00e1\u010dek, J.; Oswald, J.; Zavadil, J.; Pe\u0159ina, V.", "title": "Properties of Erbium and Ytterbium Doped Gallium Nitride Layers Fabricated by Magnetron Sputtering", "date": "2006", "keywords": "erbium; gan; layers; target; vol; ytterbium", "summary": "GaN films grown using the Ga2O3 target at room tem- perature had an amorphous structure, while GaN films fabri- cated using the Ga target at room temperature had poly- crystalline structure (According to the literature, GaN layers fabricated at an elevated temperature (above 800 \u00b0C) can have a single crystalline structure For erbium and ytterbium doping into GaN layers, erbium metallic powder and ytterbium powder or Er2O3 and Yb2O3 pellets were laid on the top of the target.", "mime": "application/pdf"}, {"id": "ap-902", "words": "5101", "extension": ".pdf", "flesch": "63", "author": "B\u00edla, J.; Jura, J.", "title": "Fuzzy Concepts in the Detection of Unexpected Situations", "date": "2007", "keywords": "detection; model; msf; mss; situations; system; ux3; \ufffd p; \ufffd \ufffd", "summary": "The following subsections introduce three examples of MSS and MSF and MD(UX3). 3.2 MD(UX3) with an emergence zone MSS has (in this case) the form (6) MSS S M S\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd , ( ), , , ( , ( ( , ) ))s s\ufffd \ufffd , (6) where S represents a basic set of situations, M(S) is a matroid constructed on this set of situations, \ufffd is a Basis on M(S), \ufffd represents a Cover on M(S) (a subset of the matroid closure), \ufffd( , )s \ufffd is a metric function and \ufffd is a positive real number. 1): h g of h g of1 1 1 1\ufffd \ufffd, ,\ufffd \ufffd n n (1) This brief explanation of essential concepts for the theory of UX3 situations introduced above will be extended and supplemented by a formal description and a recent applica- tion of this theory in section 3.", "mime": "application/pdf"}, {"id": "ap-9034", "words": "6229", "extension": ".pdf", "flesch": "60", "author": "Butt, Adnan Qayyum; Tayyaba, Qanita; Raza, Muhammad Ali; Rehman, Abdul; Khan, Tayyab Ali; Shahzad, Muhmmad", "title": "Parametric optimisation of laser welding of stainless steel 316L", "date": "2024", "keywords": "beam; figure; heat; laser; laser welding; materials; model; parameters; power; process; stainless; steel; welding; width; zone", "summary": "The importance of laser welding is increasing tenfold in industry due to the higher spectrum of energy available in laser welding operations Effect of laser welding parameters on fusion zone shape and solidification structure of austenitic stainless steels.", "mime": "application/pdf"}, {"id": "ap-9037", "words": "10055", "extension": ".pdf", "flesch": "70", "author": "Schulze-Halberg, Axel", "title": "Construction of angular-dependent potentials from trigonometric P\u00f6schl-Teller systems within the Dunkl formalism", "date": "2023", "keywords": "darboux; equation; potential; transformation", "summary": "\u2212 2 [\u03bd1 tan(\u03d5) \u2212 \u03bd2 cot(\u03d5)] \u03a6\u2032(\u03d5) + [ m2 \u2212 \u03bd1(1 \u2212 r1) cos(\u03d5)2 \u2212 \u03bd2(1 \u2212 r2) A = \u03bb + \u03b1 + (1 + 2\u03bd1 + 2\u03bd2 + 2\u03bd3)2 4 , (33) B = 1 4 \u2212 m2 \u2212 (\u03bd1 + \u03bd2)2 + \u03b2 4 , (34) C = (r3 \u2212 \u03bd3)\u03bd3 \u2212 \u03b3 .", "mime": "application/pdf"}, {"id": "ap-904", "words": "1616", "extension": ".pdf", "flesch": "68", "author": "Siegel, J.; Kot\u00e1l, V.", "title": "Preparation of Thin Metal Layers on Polymers", "date": "2007", "keywords": "fig; pet; plasma; surface", "summary": "The surface energy of plasma treated polymers can easily be examined by mea- suring the contact angles. A crucial role in preparing metal layers on polymers is played by the interface properties between substrate and deposited metal.", "mime": "application/pdf"}, {"id": "ap-906", "words": "2667", "extension": ".pdf", "flesch": "53", "author": "Martinez, M. Herrera", "title": "Evaluation of Audio Compression Artifacts", "date": "2007", "keywords": "audio; coding; decomposition; signal; transient; wavelet; \ufffd \ufffd", "summary": "Coding signals with a strongly aperiodic character, called \u201cattack signals\u201d or \u201csignals with transient behaviour\u201d lead to an artifact known as preecho. Higher levels of signal decomposition, of course, will give more accurate representations of the audio signal, in a similar manner as higher frequency resolution improves the accuracy of the frequency representation of the signal in FFT. DWT, then, has a hierarchical structure in which the higher the level that the decomposition affords, the longer the hierarchical DWT tree.", "mime": "application/pdf"}, {"id": "ap-9064", "words": "3435", "extension": ".pdf", "flesch": "67", "author": "Radnic, Tom\u00e1\u0161; \u0160afa\u0159\u00edk, Pavel; Luxa, Martin; \u0160imurda, David", "title": "Shock wave configuration in a transonic flow through a mid-section of a last stage turbine blade cascade equipped with a part-span connector", "date": "2023", "keywords": "blade; boss; flow; shock; shock wave; tie; waves", "summary": "Keywords: Transonic flow, blade cascade, part-span connector, numerical simulation, shock wave, steam turbine. Therefore, the tie-boss is expected to have a profound effect on the configuration of shock waves.", "mime": "application/pdf"}, {"id": "ap-9075", "words": "9297", "extension": ".pdf", "flesch": "70", "author": "Poliak, Martin; Franek, Michal; Gregorov\u00e1, Jana", "title": "Simulation of wind flow around an alternative flat-roofed fortress tower ruin", "date": "2025", "keywords": "alternative; changes; cpe; flow; head; mean; model; roof; ruin; ruin model; surface; table; values; wind", "summary": "\u00d7 10\u22124 \u22125 % \u22121.67 \u00d7 10\u22124 \u221211 % 2.68 \u00d7 10\u22125 0 % D3 2.16 \u00d7 10\u22123 20 % \u22126.61 % D1 0.601 \u2212100 % 0.04 25 % 0.046 \u22129 % 0.078 \u221224 % D2 0.113 \u221219 % 0.029 18 % 0.089 \u221218 % 0.077 \u221223 % D3 0.037 \u22126 % 0.021 13 % 0.071 \u221215 % 0.055 \u221217 % D4 0.016 \u22123 % 0.015 10 % 0.062 \u221213 % 0.046 \u221214 % D5 \u22120.007 1 % \u22120.001 \u22121 % 0.017 \u22123 % 0.011 \u22123", "mime": "application/pdf"}, {"id": "ap-908", "words": "2161", "extension": ".pdf", "flesch": "49", "author": "Pastor, O.", "title": "Indirect Determination of the Risk of Transportation Projects", "date": "2007", "keywords": "development; efficiency; locality; project", "summary": "The basic blocks for assessing transportation projects can comprise: Direct demand of users: This paragraph analyses the benefit of the implemented project for the user. No. 1/2007 Indirect Determination of the Risk of Transportation Projects O. Pastor This paper deals with indirect determination of the risk of transportation projects.", "mime": "application/pdf"}, {"id": "ap-9086", "words": "2596", "extension": ".pdf", "flesch": "54", "author": "Dudnik, Vitaly", "title": "Reduction of torque pulsation in ultralight helicopter transmission", "date": "2024", "keywords": "engine; helicopter; pulsation; rotor; shaft; torque", "summary": "Keywords: Ultralight helicopter, piston engine, torque pulsation. Torque pulsation on the engine shaft The traditional methods of reducing engine torque variance are to increase the number of cylinders and ensure that the spark ignition in the cylinder alter- nates evenly.", "mime": "application/pdf"}, {"id": "ap-910", "words": "1122", "extension": ".pdf", "flesch": "39", "author": "Pastor, O.; Novotn\u00fd, P.; Melechovsk\u00fd, J.", "title": "Support for Expert Estimations in Transportation Projects", "date": "2007", "keywords": "probabilities; project; risk", "summary": "Subjective probabilities have to be applied at this preparatory stage of transportation project. Even in this scheme of application of the Monte Carlo method, subjective probabilities have to be used.", "mime": "application/pdf"}, {"id": "ap-912", "words": "5114", "extension": ".pdf", "flesch": "61", "author": "Popelov\u00e1, L.", "title": "The Symbolic-Aesthetic Dimension of Industrial Architecture as a Method of Classification and Evaluation: the Example of Bridge Structures in the Czech Republic", "date": "2007", "keywords": "aesthetic; architecture; bridge; buildings; czech; fig; prague; structures; svatopluk; technical; water; works", "summary": "7 Conclusion This paper is a contribution in support of a criterion that will systematically evaluate industrial structures, including bridge structures, from a symbolic-aesthetic perspective. Industrial structures from the Czech Republic are used as examples, and a specific analy- sis is made of two bridges.", "mime": "application/pdf"}, {"id": "ap-9134", "words": "4617", "extension": ".pdf", "flesch": "54", "author": "Jaskulski, Roman; Kubissa, Wojciech; Zapa\u0142a, Dominika", "title": "Influence of carbonation on torrent air permeability of concrete", "date": "2023", "keywords": "air permeability; carbonation; concrete; content; moisture; permeability; results; test; values", "summary": "kT5,t = kTm,m \u00b7 e1.45(m\u22125), (1) kTm,t = kT5,t / e\u22121.45(m\u22125), (2) where: \u2022 m ... measured moisture content of concrete (in %), \u2022 kTm,m ... measured air permeability of concrete with moisture content equal to m % (before carbon- ation), \u2022 kT5,t ... theoretical air permeability of concrete with moisture content equal to 5%, \u2022 kT5,m ... theoretical air permeability of concrete with moisture content equal to m %. Keywords: Concrete, carbonation, air permeability, durability, torrent.", "mime": "application/pdf"}, {"id": "ap-914", "words": "7750", "extension": ".pdf", "flesch": "63", "author": "Martinez-Val, R.", "title": "Flying Wings. A New Paradigm for Civil Aviation?", "date": "2007", "keywords": "aircraft; airplanes; aviation; body; cabin; cruise; design; fig; flying; fuel; lift; range; size; vol; wing; \ufffd \ufffd", "summary": "The present paper discusses the main features of flying wings, their advantages over conventional competitors, and some key operational issues, such as evacuation and vortex wake intensity. This paper discusses the main features of flying wings and blended wing bodies, their advantages over conventional competitors, and some key operational issues, such as airport operation, evacuation, and vortex wake intensity.", "mime": "application/pdf"}, {"id": "ap-916", "words": "5515", "extension": ".pdf", "flesch": "68", "author": "Dunne, G. V.", "title": "Functional Determinants for Radially Separable Partial Differential Operators", "date": "2007", "keywords": "d \ufffd; function \ufffd; s \ufffd; \ufffd f; \ufffd l; \ufffd m; \ufffd m2; \ufffd r; \ufffd \ufffd", "summary": "Thus, for \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd( ) ( ) ( )0 0 0f as , we only actually need to subtract the lead- ing large l terms in (29), rather than the full asymptotics in (27). I kr K kr \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdd V r rl ik r ( ) ( ).( ),\ufffd \ufffd\ufffd 0 (25) leads to an iterative expansion for f ikl( )in powers of the po- tential V(r).", "mime": "application/pdf"}, {"id": "ap-917", "words": "4290", "extension": ".pdf", "flesch": "54", "author": "Fischer, M.; Ml\u010dek, M.; Konvi\u010dkov\u00e1, S.; Kittnar, O.", "title": "Computer Insight into the Molecular Level of Heart Failure. What is the Role of NCX?", "date": "2008", "keywords": "activity; ca2; calcium; fig; heart; ncx; vol; \ufffd \ufffd", "summary": "[8] as \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd I t k t According to some findings that report NCX activity in failing hearts [11], the NCX activity was varied between 50, 75, 100 and 130 % of normal activity.", "mime": "application/pdf"}, {"id": "ap-918", "words": "4992", "extension": ".pdf", "flesch": "65", "author": "Znojil, M.", "title": "PT-symmetric Quantum Chain Models", "date": "2007", "keywords": "b \ufffd; domain \ufffd; eep \ufffd; j \ufffd; m \ufffd; \ufffd -symmetry; \ufffd \ufffd", "summary": "It is again unique because one of the two rootsC\ufffd \ufffd \ufffd27 9 21 of the \u201cfirst alternative\u201d Gr\u00f6bnerian \u201ceffective\u201d equation C C2 54 972\ufffd \ufffd and both the roots \ufffd \ufffd354 60 34 of the \u201csec- ond alternative\u201d equation C C2 708 2916 0\ufffd \ufffd \ufffd are negative, while the only remaining positive root C\ufffd \ufffd 68 24318125. In the context of the so called Dyson-mapping approximation technique, for exam- ple, it was originally felt as an unpleasant surprise that the requirement of the smallness of the dimension of the matrix H(eff ) emerged in an apparently inseparable combination with the necessity of moving to a less standard Hilbert space H(physical) of states where the definition of the inner (\u201cscalar\u201d) product between elements \ufffd \ufffd H(physical) and \ufffd \ufffd H(physical) had to be modified, \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd\ufffd \ufffd \ufffd, \u2020 0 (1) This trick very easily extends the applicability of the for- malism of standard textbook Quantum Mechanics by the transition to the various nontrivial, \u201cnon-Dirac\u201d metric operators.", "mime": "application/pdf"}, {"id": "ap-9186", "words": "5614", "extension": ".pdf", "flesch": "56", "author": "N\u00e1pravn\u00edk, Petr; Koc\u00e1b, Dalibor; B\u00edlek, Jr., Vlastimil; Lisztwan, Dominik; Kucharczykov\u00e1, Barbara", "title": "Monitoring the internal structure behaviour of alkali-activated slag paste: effect of the curing mode", "date": "2023", "keywords": "age; cracks; days; decrease; development; paste; set; slag; specimens; strength; test", "summary": "For the purposes of the experiment, three test sets (for the measurement of resonant frequencies and mass losses) and nine additional test sets (for strength tests) were made, each set containing three specimens. Experiment details Three groups of test specimens from alkali-activated slag differing only in the curing regime were prepared for this experiment.", "mime": "application/pdf"}, {"id": "ap-9188", "words": "4072", "extension": ".pdf", "flesch": "57", "author": "Sou\u010dek, Ji\u0159\u00ed; B\u00edlkov\u00e1, Eva; Nowak, Petr", "title": "Reverse engineering of pump as turbine for CFD analysis", "date": "2024", "keywords": "cavitation; cfd; efficiency; engineering; figure; model; parts; pressure; pump; runner; turbine", "summary": "In this way, the turbine power, or turbine efficiency, was calculated (Table 1). Development and implementation of a methodology for reverse engineering design of Francis turbine runners.", "mime": "application/pdf"}, {"id": "ap-920", "words": "5303", "extension": ".pdf", "flesch": "78", "author": "Balkov\u00e1, L\u2019.", "title": "Return Words and Recurrence Function of a Class of Infinite Words", "date": "2007", "keywords": "b \ufffd; u \ufffd; words; \ufffd \ufffd", "summary": "For b \ufffd1and 2 3\ufffd \ufffda , then it holds for l(k), k \ufffd \ufffd, l a( )1 1\ufffd \ufffd , l( )2 5\ufffd , l k n a( ) ( )\ufffd \ufffd 10 , for S k Sn n 1 0 11 1 0 0( ) ( )( , ) ( , )\ufffd \ufffd \ufffd , n \ufffd \ufffd, l k n( ) ( )\ufffd \ufffd 00101 for S k Sn n 0 1 1 10 0 1 1( ) ( )( , ) ( , )\ufffd \ufffd\ufffd \ufffd , n \ufffd \ufffd. A factor w u\ufffd \ufffd( ) is called singular if w \ufffd1 or if there exist a word v u\ufffd \ufffd( ) and letters x x y y, , ,\ufffd \ufffd \ufffd\ufffd such that w xvy\ufffd , x x\ufffd \ufffd, y y\ufffd \ufffd, and \ufffd \ufffd \ufffdx vy xvy u, ( )\ufffd .", "mime": "application/pdf"}, {"id": "ap-9205", "words": "7251", "extension": ".pdf", "flesch": "61", "author": "Amiri, Human; K\u00fc\u00e7\u00fck, Umut Can; Ku\u015fcu, Yi\u011fit F\u0131rat", "title": "Experimental investigation of flow characteristics and performance parameters of a podded aft engine air intake", "date": "2023", "keywords": "aip; aircraft; aoa; configuration; distortion; engine; figure; flow; inlet; intake; mass; model; nozzle; pressure; total", "summary": "Air intake performance Inlet flow performance indicators, which are analysed in this study, are as follows: a) Total pressure recovery, b) total pressure distortion, c) mass flow ratio. Among the aeronautical engineers, this metric is known as total pressure distortion and is expressed either circumferentially or radially.", "mime": "application/pdf"}, {"id": "ap-9208", "words": "6778", "extension": ".pdf", "flesch": "61", "author": "Kaiser, Mohammad Salim; Hossain, Al-Kabir", "title": "Effect of surface area on the wear properties of Al-based automotive alloy and the role of Si at eutectic level", "date": "2024", "keywords": "alloy; coefficient; contact; figure; friction; materials; properties; sliding; specimens; surface; wear", "summary": "Thus, for a longer engine life, alloys with higher wear properties are required. A microstructural study confirms a lower abrasive wear with a minor plastic deformation on the worn surfaces of Si added alloy and wear with higher contact surface.", "mime": "application/pdf"}, {"id": "ap-922", "words": "376", "extension": ".pdf", "flesch": "59", "author": "Sergyeyev, A.", "title": "Flat Coordinates and Hidden Symmetry for Superintegrable Benenti Systems", "date": "2007", "keywords": "\ufffd \ufffd", "summary": "Phys. 48 (2007), 052114. Keywords: superintegrability, Benenti system, Schr\u00f6dinger equation, Hamilton-Jacobi equation, separation of variables. In this talk I present the results from my paper Exact solvability of superintegrable Benenti systems, J. Math.", "mime": "application/pdf"}, {"id": "ap-9220", "words": "4318", "extension": ".pdf", "flesch": "45", "author": "Drizdal, Tomas; Novak, Marek", "title": "Application of an artificial intelligence segmentation for deep hyperthermia treatment planning in the pelvic region", "date": "2023", "keywords": "antenna; htp; hyperthermia; journal; model; muscle; organs; patient; region; segmentation; treatment", "summary": "SAR volume cumulative histograms of pancreas and whole patient model for complete seg- mentation model (organs) and for model with organs assigned as muscle (muscle). from complete segmentation model including internal organs. |dTHQ| = \u2223\u2223\u2223\u2223 (THQmuscle \u2212 THQorgans THQorgans ) \u2223\u2223\u2223\u2223 \u00d7 100 (1) where |THQmuscle| is the THQ value obtained using muscle patient model and |THQorgans| value obtained 0 25 50 75 100 norm.", "mime": "application/pdf"}, {"id": "ap-9228", "words": "5728", "extension": ".pdf", "flesch": "76", "author": "Hussein, Mohammed Abdulshareef; Jassim, Hassan Kamil; Jassim, Ali Kareem", "title": "An innovative iterative approach to solving Volterra integral equations of second kind", "date": "2024", "keywords": "equation; x=0", "summary": "Volterra integral equations of the second kind are a set of integral equations with the general form: u(x) Keywords: Volterra integral equations, new iterative method, Taylor series, Hussein Jassim method.", "mime": "application/pdf"}, {"id": "ap-923", "words": "9176", "extension": ".pdf", "flesch": "62", "author": "Matou\u0161ek, V.", "title": "Effect of the Hydraulic Characteristics of a Stream Channel and its Surroundings on the Runoff Hydrograph", "date": "2008", "keywords": "channel; flood; flow; rainfall; runoff; time; water; watershed; \ufffd \ufffd", "summary": "Thus, the two hydrographs that should be compared with each other are the hydrograph caused by rainfall of 20 mm and 30 min for the existing channel (Fig. 12) and the hydro- graph caused by rainfall of 25 mm and 60 min for the pro- posed natural channel (Fig. 13). The downhill directed drills created small natural channels that drained the field during the rainfall event and increased the direct runoff and its velocity.", "mime": "application/pdf"}, {"id": "ap-924", "words": "3143", "extension": ".pdf", "flesch": "84", "author": "Mas\u00e1kov\u00e1, Z.; Pelantov\u00e1, E.", "title": "Self-Matching Properties of Beatty Sequences", "date": "2007", "keywords": "b \ufffd; j \ufffd; k \ufffd; \ufffd m; \ufffd \ufffd", "summary": "Since \ufffd\ufffd is a quadratic unit, \ufffd \ufffd\ufffd \ufffd\ufffd is a ring and, moreover, it satisfies \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd\ufffd \ufffd (6) A cut-and-project set is the set of projections of points of \ufffd2 to V1, that are found in a strip of given bounded width, parallel to the straight line V1. Among the simple properties of the cut-and-project sets that we use here are \ufffd \ufffd \ufffd \ufffd( ) ( ) \ufffd 1 1 , \ufffd \ufffd\ufffd \ufffd\ufffd \ufffd \ufffd \ufffd( ) ( ), where the latter is a consequence of (6).", "mime": "application/pdf"}, {"id": "ap-9255", "words": "4404", "extension": ".pdf", "flesch": "65", "author": "Chalmovsk\u00fd, Juraj; Ra\u010dansk\u00fd, V\u00e1clav; Koudela, Pavel; Zdra\u017eil, Karel", "title": "The load-transfer method as a tool for determining the load-displacement curve of piles", "date": "2024", "keywords": "displacement; figure; friction; load; loading; method; piles; shaft; tests; transfer", "summary": "Development of axial pile load transfer curves based on instrumented load tests. The action of soft clay along friction piles.", "mime": "application/pdf"}, {"id": "ap-9258", "words": "8031", "extension": ".pdf", "flesch": "71", "author": "Yusuf, Taofeek Ayotunde; Aodu, Sheriff Abiodun; Alabi, Abeeb Opeyemi", "title": "Acoustic Radiation Patterns of Different Polygon Piston Surfaces", "date": "2024", "keywords": "beam; circular; equation; figure; k sin; piston; sec; sin \u03b8; surface; tan", "summary": "Meanwhile, acoustic pistons with flat surfaces such as polygons have more prospects in providing a more compact transducer structure [20]. The beam pattern of polygonal piston surfaces of equal surface area with a circular piston of different diameters.", "mime": "application/pdf"}, {"id": "ap-926", "words": "5891", "extension": ".pdf", "flesch": "64", "author": "Burd\u00edk, \u010c.; Navr\u00e1til, O.; Po\u0161ta, S.", "title": "Structure of the Enveloping Algebras", "date": "2007", "keywords": "x f; \ufffd det; \ufffd f; \ufffd k; \ufffd x; \ufffd \ufffd", "summary": "If we want to study all two-sided ideals of the associative algebra U (see [1] chapters 6\u201310), i.e. to find all the vector spaces I U\ufffd which satisfy for all a b U aIb I, :\ufffd \ufffd we can easily see that such a two-sided ideal is invariant with respect to adjoint action of U: if we take adjoint action \ufffd : ( )g L U\ufffd , i.e. \ufffd( ) [ , ]x a x a\ufffd for x g\ufffd and a U\ufffd and extend this definition to all U by \ufffd \ufffd\ufffd \ufffd\ufffd \ufffd \ufffd( ) ( ) ( ) , , [ , ]u x x x x an n\ufffd \ufffd1 1\ufffd \ufffd \ufffd for all u x x x gn i\ufffd \ufffd1\ufffd , we see that \ufffd( ) The simplest example \u2013 algebra sl(2) Let us have algebra sl(2) which is a complex linear span of three vectors E E H E E12 21 1 11 22, , \ufffd \ufffd , where by Eij we denote the matrix having 1 in position (i, j) and 0s elsewhere.", "mime": "application/pdf"}, {"id": "ap-9271", "words": "4814", "extension": ".pdf", "flesch": "57", "author": "Pru\u0161ka, Jan; \u0160ediv\u00fd, Miroslav; Anderle, Vojt\u011bch", "title": "Problems with reinforced concrete industrial floors with regard to subsoil swelling", "date": "2024", "keywords": "concrete; content; floors; layer; moisture; prediction; pressure; soil; subsoil; swelling; thickness", "summary": "In the pres- ence of swelling soils in the subsoil, the floors can be shifted upwards by centimeters and open cracks may form after the work has been carried out. Direct measurement of swelling soils \u2013 multiple methods are used here and generally require the use of special equipment.", "mime": "application/pdf"}, {"id": "ap-928", "words": "2375", "extension": ".pdf", "flesch": "75", "author": "Shapiro, B.; Tater, M.", "title": "Root Asymptotics of Spectral Polynomials", "date": "2007", "keywords": "c \ufffd; e \ufffd; k \ufffd; \ufffd \ufffd", "summary": "i n i, , , , , , ,\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd1 1 1 2 , with a i n i Because sk are related to pl by s p s k pk n l k l n k l k \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd 0 1 1 we need explicit expressions for pl up to l n k\ufffd \ufffd .", "mime": "application/pdf"}, {"id": "ap-9286", "words": "5830", "extension": ".pdf", "flesch": "60", "author": "Nathgosavi, Kiran; Joshi, Prasad", "title": "Enhancement of power transfer capacity of transmission network using multilevel multifunction inverter", "date": "2023", "keywords": "capacity; controller; current; figure; grid; ieee; inverter; mlmfi; multilevel; output; power; system; transfer; transmission; voltage", "summary": "https://doi.org/10.1109/TPEL.2008.2008441 [7] P. Rao, M. L. Crow, Z. Yang. STATCOM control for power system voltage control applications. Despite the variety of power controls that have been extensively studied, it has been found that the reactive power controller of a normal two-level inverter has a limit on the utilisation of the solar array during the night.", "mime": "application/pdf"}, {"id": "ap-9295", "words": "5241", "extension": ".pdf", "flesch": "57", "author": "Altaee Naman, Hala; Jaffar Mohammed Ameen, Zinah", "title": "Optimised rotating energy-efficient clustering for wireless sensor devices by sewing training-based optimisation", "date": "2024", "keywords": "algorithm; clustering; energy; itrl; member; method; network; nodes; number; sensor; stbo; wsn", "summary": "The average rates of node remaining energy at first node death for the two methods are shown in Fig- ure 2c. The average rates of node remaining energy at first node death for the two methods are shown in Figure 3c.", "mime": "application/pdf"}, {"id": "ap-930", "words": "3754", "extension": ".pdf", "flesch": "75", "author": "Jones, H. F.", "title": "The Metric Operator and the Functional Integral Formulation of Pseudo-Hermitian Quantum Mechanics", "date": "2007", "keywords": "exp \ufffd; j \ufffd; \ufffd d; \ufffd e; \ufffd z; \ufffd \ufffd", "summary": "The operator \ufffd \ufffd \ufffde Q is in fact precisely the metric opera- tor occurring in \ufffd \ufffd \ufffd \ufffd \ufffd, ,A A\ufffd , (7) because the similarity transformation \ufffd \ufffd \ufffdA A\ufffd \ufffd 1, \ufffd \ufffd\ufffd \ufffd \ufffd gives \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdA A\u2020 1 . In this case the result of the similarity transfor- mation e e Q Q\ufffd 1 2 1 2\ufffd is X x ip P p ix \ufffd \ufffd \ufffd \ufffd cosh sinh cosh sinh \ufffd \ufffd \ufffd \ufffd\ufffd (35) resulting in H x p h X P X P( , ) ( , )\ufffd \ufffd \ufffd\ufffd \ufffd2 2 , where \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 1 2 2 1 2 2 ( ), ( ). (36) 38 \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ Acta Polytechnica Vol. 47", "mime": "application/pdf"}, {"id": "ap-9300", "words": "5682", "extension": ".pdf", "flesch": "52", "author": "Hussein, Adnan M.; Mohammed Ali, Hussein Hayder; Ali, Zahraa", "title": "Assessing the efficacy of flat-plate solar collectors using nanofluids in the climatic context of Kirkuk city, Iraq", "date": "2024", "keywords": "collector; cuo; efficiency; figure; flow; nanofluid; plate; radiation; rate; s\u22121; temperature; water", "summary": "[17] studied the effects of nanocellulose (CNC) nanofluids on im- proving flat plate solar collector efficiency. Experimental investigation of new design of solar water distillation coupled with flat plate solar water collector.", "mime": "application/pdf"}, {"id": "ap-9301", "words": "8863", "extension": ".pdf", "flesch": "61", "author": "M\u00fcller, Petr; Ben\u00fd\u0161ek, Martin; \u0160tefan, Radek; Holan, Jakub; Ko\u0161\u0165\u00e1lov\u00e1, \u0160\u00e1rka", "title": "Assessment of structures repeatedly exposed to thermal loading and extinguishing water: a case study of a firefighting training facility", "date": "2023", "keywords": "assessment; building; capacity; concrete; figure; fire; floor; gas; load; results; steel; strength; structure; temperature", "summary": "Eurocode 3: Design of steel structures \u2013 part 1-2: General rules \u2013 structural fire design, 2005. This technical report deals with the classification of concrete struc- tures only, steel structures are not included.", "mime": "application/pdf"}, {"id": "ap-931", "words": "4321", "extension": ".pdf", "flesch": "58", "author": "Haluzov\u00e1, P.", "title": "Effective Data Mining for a Transportation Information System", "date": "2008", "keywords": "accidents; association; attributes; data; delay; number; rules; tram", "summary": "LnNo number line number PorNo number line order EvCislo text tram-car license number Vozovna number number of the depot (1\u20138), from which the tram departed A number ID of tram stop B number number of the stop post C number delay (overtake recorded as minus) D number reserve column, without data Table 2: Attributes of daytime traffic tables name of attribute Meaning name of category values of attributes weekday days in a week Monday to Sunday 1 to 7 hour hour interval (e.g. 7 means an interval from 7:00 to 7:59) morning 5, 6 morning rush hour 7, 8 before noon 9, 10 noon 11, 12 afternoon 13, 14 afternoon rush hour 15, 16 evening 17, 18, 19, 20 late evening 21, 22, 23 average delay average delay [s] under 1 min \ufffd0, 59\ufffd from 1 to 2 min \ufffd60, 119\ufffd from 2 to 3 min \ufffd120, 179\ufffd over 3 min > 179 Table 3: Meaning and categories of attributes for each month, generates about 20 000 duplicate records, this corresponds to 1.3 % of the total. The rules fall into the Ant~Suc form in the first class, and the so-called contingent rules fall into the 24 \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ Acta Polytechnica Vol. 48 No. 1/2008 Effective Data Mining for a Transportation Information System P. Haluzov\u00e1 This paper describes the application of data mining methods in the database of the DORIS transportation information system, currently used by the Prague Public Transit Company.", "mime": "application/pdf"}, {"id": "ap-932", "words": "2706", "extension": ".pdf", "flesch": "63", "author": "L\u00e9vai, G.", "title": "PT-symmetry and Non-Central Potentials", "date": "2007", "keywords": "r \ufffd; \ufffd -symmetric; \ufffd symmetry; \ufffd \ufffd", "summary": "Obviously, the contribution of the radial component will be 1, while it can be shown that with the phase convention described above, \ufffd \ufffd\ufffd\ufffd \ufffd \ufffd \ufffd( )1 l m holds. Equation (5) is solvable for the choice Q( ) sin ( )\ufffd \ufffd \ufffd\ufffd \ufffd2 2 , q \ufffd \ufffd\ufffd \ufffd( )1 , (7) when the solutions are given by the associated Legendre func- tions \ufffd P\ufffd \ufffd \ufffdcos( )", "mime": "application/pdf"}, {"id": "ap-9324", "words": "6052", "extension": ".pdf", "flesch": "75", "author": "Yao, Kutorzi Edwin; Zhang, Yuxue; Shi, Yufeng", "title": "Numerical solution for stochastic Volterra-Fredholm integral equations with delay arguments", "date": "2024", "keywords": "delay; equations; integral; stochastic; \u2212 \u03c4; \u2212 \u222b", "summary": "Consider the stochastic Volterra Fredholm integral equation with time delay \u03c4 > 0: X(t) = \u22125\u03c4 \u2212 t + 12t2 \u2212 t3 \u2212 t4\u03c4 + \u222b t 0 (t \u2212 s)X(s \u2212 \u03c4)ds + \u222b 1 0 (t + s)X(s \u2212 \u03c4)ds + \u222b t 0 sX(s \u2212 \u03c4)dB(s), (41) where s, t \u2208 \u2212 X\u0302(s \u2212 \u03c4)|| ) ds \u2264 C \u00b7 O(h4) + C \u00b7 O(h4) = O(h4).", "mime": "application/pdf"}, {"id": "ap-9330", "words": "6994", "extension": ".pdf", "flesch": "54", "author": "Noprianto, Noprianto; Dien, Habibie Ed; Sukmana, Septian Enggar; Al Baity, Fayyadh; Mentari, Mustika", "title": "Empowering IoT: leveraging data sensor communication with LoRAWAN in diverse environments", "date": "2025", "keywords": "antenna; communication; conditions; data; dbi; figure; gateway; iot; line; lorawan; node; performance; rssi; sensor; sight; signal; transmission", "summary": "This research tests LoRAWAN\u2019s performance for sensor data communication both inside multi-story buildings (up to 8 storeys) and outside. In order to meet the research needs and opportu- nities related to LoRa technology, further research is required to analyse the performance of LoRa imple- mented in sensor data transmission using LoRaWAN modules as the data transmission medium.", "mime": "application/pdf"}, {"id": "ap-934", "words": "4980", "extension": ".pdf", "flesch": "73", "author": "Fring, A.", "title": "PT-symmetry and Integrability", "date": "2007", "keywords": "h \ufffd; hermitian; m \ufffd; phys; q \ufffd; vol; \ufffd -symmetry; \ufffd \ufffd", "summary": "It is crucial to note that the \ufffd\ufffd-operator is an anti-linear operator, i.e. it acts as \ufffd\ufffd \ufffd\ufffd \ufffd\ufffd( ) * * \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd with \ufffd, \ufffd\ufffd and \ufffd, \ufffd being some eigenfunctions. (10) Therefore the Hamiltonians H V E W W Em m m m m m\ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd 2 (11) are isospectral H", "mime": "application/pdf"}, {"id": "ap-9345", "words": "4504", "extension": ".pdf", "flesch": "53", "author": "Rataj, Jan; M\u00e1tl, Jakub; Suk, Pavel", "title": "Application of the Source-Jerk method using a neutron generator in a subcritical reactor", "date": "2023", "keywords": "det; detectors; generator; method; neutron; reactivity; reactor; source; time", "summary": "The model with AmBe neutron source is visualised in the YZ direction in Figure 15. The time step was set to 1 s and 0.1 s. Both the D-D generator and the AmBe source were used as neutron sources.", "mime": "application/pdf"}, {"id": "ap-935", "words": "2819", "extension": ".pdf", "flesch": "58", "author": "Beran, V.; Hromada, E.", "title": "Dynamic Simulations in Cost and Time Estimation of the Construction Process", "date": "2008", "keywords": "activities; construction; project; time; \ufffd \ufffd", "summary": "The results of particular simulations P P( ; ) ( ( ; ))T C sim T C\ufffd TABproject (2a) for the example described below are T\ufffd\ufffd45; 89\ufffd and C\ufffd\ufffd2411;3131\ufffd. The results present a useful risk evaluation for projects or project activities.", "mime": "application/pdf"}, {"id": "ap-9351", "words": "4128", "extension": ".pdf", "flesch": "57", "author": "Tulembayeva, Aigul; Ashirov, Shayakhmet; Makarov, Evgenij; Seitbattalov, Zhexen", "title": "Digital model of automated unmanned aerial vehicle with edge computing application for railway reconnaissance", "date": "2024", "keywords": "algorithm; computing; detection; edge; figure; image; object; railway; recognition; reconnaissance; train; uav", "summary": "Specifications of reconnaissance drones. The general specification of reconnaissance drones is presented in Table 1.", "mime": "application/pdf"}, {"id": "ap-9354", "words": "5629", "extension": ".pdf", "flesch": "56", "author": "Pa\u0159ez, Jan; Kov\u00e1\u0159, Patrik; Tater, Adam", "title": "Prediction of temperature field distribution in a gas turbine using a higher order neural network", "date": "2023", "keywords": "cfd; data; distribution; engine; error; figure; gas; heat; learning; order; results; set; temperature; tube", "summary": "This paper presents the prediction of temperature field distribution in a single annular section using an artificial neural network (ANN). Introduction The cooling process and temperature distribution of solid parts in gas turbines is critical to their reliable operation and maximum performance.", "mime": "application/pdf"}, {"id": "ap-936", "words": "5715", "extension": ".pdf", "flesch": "63", "author": "B\u00edla, H.", "title": "How Do Energies Complexify?", "date": "2007", "keywords": "-symmetric; complexification; eigenvalues; square; \ufffd \ufffd", "summary": "d discussed in [11] with \ufffd\ufffd-symmetric boundary conditions(9) \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd( ) ( ) ( )0 c E , therefore one needs to solve the differential equation 0 \ufffd \ufffd \ufffd \ufffd \ufffdd d", "mime": "application/pdf"}, {"id": "ap-938", "words": "1683", "extension": ".pdf", "flesch": "73", "author": "Borisov, D.", "title": "On a Quantum Waveguide with a Small PT-symmetric Perturbation", "date": "2007", "keywords": "\ufffd \ufffd", "summary": "that if Re k1 0\ufffd , or Re k1 0\ufffd , Re k2 0\ufffd , (7) there exists the unique eigenvalue of \ufffd\ufffd converging to the threshold of the continuous spectrum, and the asymptotics of this eigenvalue reads as follows \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd 1 02 1 2 2 3k In this case ~V \ufffd 0, ~u \ufffd 0 and K u L\ufffd \ufffd \ufffd 1 2 01 2 2( )\ufffd (12) If the relation (6) holds true, the function u1 is identically zero, and K V u L: (~,~) ( )\ufffd \ufffd 2 \ufffd Employing (3), by analogy with (11) in the same way we check ~~ ~ ~ ( ) ( ) V u x u u L L d \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd 2 2", "mime": "application/pdf"}, {"id": "ap-9380", "words": "5175", "extension": ".pdf", "flesch": "50", "author": "Bouhafs, Lina; Tamalouzt, Salah; Bouzida, Ahcene", "title": "A novel approach to feature extraction from gear condition monitoring signals", "date": "2025", "keywords": "edo; energy; fault; figure; frequency; gear; gearbox; method; noise; operator; signal; vibration", "summary": "and The position of the accelerometer is shown in Figure 8 under three different load conditions of 25, 50, and 60 Nm, and with a rotating frequency of 3 Hz. There- fore, three sets of measurements have been taken to investigate the impact of load on gear fault signals. It is characterised by several advantages, which can be summarised as follows: EDO is a powerful and versa- tile technique for signal analysis in signal processing that detects rapid changes, extracts peaks, measures variation speed, and analyses signal frequency, partic- ularly when there is significant noise interference and various vibrations.", "mime": "application/pdf"}, {"id": "ap-940", "words": "6084", "extension": ".pdf", "flesch": "67", "author": "Kochan, D.", "title": "Quantization of Equations of Motion", "date": "2007", "keywords": "form \ufffd; q t; t \ufffd; \ufffd class; \ufffd d; \ufffd q; \ufffd ref; \ufffd x; \ufffd \ufffd", "summary": "Using it, for any other \ufffd within this class we get an oriented loop (cycle): \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd :\ufffd \ufffd \ufffd \ufffd1 0class . Having the function \ufffd( , , )q v t and the components of the generalized force \ufffd( , , )q v t we can establish the two-form \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd\ufffd : ( )\ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffdi i v i iq t t q v tid d", "mime": "application/pdf"}, {"id": "ap-9411", "words": "6117", "extension": ".pdf", "flesch": "51", "author": "\u0160\u0165astn\u00fd, Patrik; Anto\u0161ov\u00e1, Na\u010fa; Kal\u00fas, Daniel; Mu\u010dkov\u00e1, Veronika", "title": "The importance of using active thermal protection following restoration work on old buildings", "date": "2024", "keywords": "atp; buildings; energy; heat; insulation; moisture; protection; research; structure; system; technologies; technology; temperature; thermal", "summary": "[27] V. Mu\u010dkov\u00e1, D. Kal\u00fas, D. Koudelkov\u00e1, et al. Contribution to active thermal protection research \u2013 Part 1: Analysis of energy functions by parametric study. Energies 16(11):4391, 2023. https://doi.org/10.3390/en16114391 [28] D. Kal\u00fas, V. Mu\u010dkov\u00e1, D. Koudelkov\u00e1, et al. Contribution to active thermal protection research \u2013 Part 2: Verification by experimental measurement.", "mime": "application/pdf"}, {"id": "ap-9415", "words": "6616", "extension": ".pdf", "flesch": "56", "author": "Onopchenko, Anton V.; Kurin, Maksym O.; Shyrokyi, Yurii V.; Horbachov, Oleksii O.", "title": "Investigation the plastic flows in the metal stamping-drawing process at the die corner", "date": "2024", "keywords": "alloys; blank; die; drawing; figure; material; metal; process; sheet; stamping", "summary": "Study of factors affecting springback in sheet metal forming and deep drawing process. 2. Numerical simulation of the stamping-drawing in LS-DYNA In order to test the effectiveness of the model for calculating the processes of plastic deformation of different sheet materials, based on a closed set of equations of continuum mechanics, in predicting the numerical simulation of sheet metal stamping- drawing, the model established in this paper was used to simulate the distribution of plastic equiva- lent stresses in sheet metal parts, based on LS-DYNA software.", "mime": "application/pdf"}, {"id": "ap-942", "words": "2343", "extension": ".pdf", "flesch": "76", "author": "Ambro\u017e, P.", "title": "Matrices Associated to 3-Interval Exchange Transformation and their Spectra", "date": "2007", "keywords": "m \ufffd; \ufffd det; \ufffd \ufffd", "summary": "Then M has the MEME Property if and only if there exists \ufffd \ufffd\ufffd \ufffd \ufffd1 1, such that det 1 1 1 21 22 23 31 32 33 \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdm m m m m m \ufffd , (1) det m m m m m m 11 12 13 31 32 32 1 1 1\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd , (2) det m m m m m m 11 12 13 21 22 23 1 1 1\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd . \ufffd: Denote \ufffd: det\ufffd M and let \ufffd\ufffd, \ufffd \ufffd\ufffd \ufffd \ufffd1 1, be an eigenvalue of M.", "mime": "application/pdf"}, {"id": "ap-9426", "words": "5662", "extension": ".pdf", "flesch": "58", "author": "Al-Kadhimi, Aymen M.; Abdelkareem, Ammar E.; Tsimenidis, Charalampos C.", "title": "P-LDPC coded image transmission with OFDM over underwater acoustic channel", "date": "2024", "keywords": "block; channel; codes; coding; figure; image; ldpc; length; performance; system; transmission; underwater", "summary": "In [8], LDPC codes for non-binary sources were investigated for underwater multicarrier commu- nications. In consequence of those challenges, the quality of data transmission is affected in terms of reduced data rate to cope with complication in underwater channels and frequent increased data packet loss.", "mime": "application/pdf"}, {"id": "ap-943", "words": "3521", "extension": ".pdf", "flesch": "56", "author": "Prajzler, V.; Burian, Z.; Je\u0159\u00e1bek, V.; H\u00fcttel, I.; \u0160pirkov\u00e1, J.; Gurovi\u010d, J.; Oswald, J.; Zavadil, J.; Pe\u0159ina, V.", "title": "Properties of Erbium Doped Hydrogenated Amorphous Carbon Layers Fabricated by Sputtering and Plasma Assisted Chemical Vapor Deposition", "date": "2008", "keywords": "carbon; erbium; films; layers; samples; sputtering; vol", "summary": "4 Conclusion We report on carbon layers doped with erbium ions de- posited by sputtering, by PACVD and by magnetron sputter- ing onto a silicon or glass substrate. 5: The schema of magnetron sputtering set-up The absorbance spectrum of erbium doped carbon layers fabricated by magnetron sputtering is given in Fig.", "mime": "application/pdf"}, {"id": "ap-9437", "words": "4650", "extension": ".pdf", "flesch": "55", "author": "Nazal, Samya A.; Nasser, Mohamed A.; Hanon, Muammel M.; Ameen, Hani A.", "title": "Investigation of the impact of product thickness and strain on cold forging processes", "date": "2024", "keywords": "design; die; figure; forging; metal; process; product; sheet; strain; thickness", "summary": "This study investigates the impact of sheet metal thickness and strain generated on a cold forging process. While previous studies have explored various as- pects of cold forging, such as die design, deformation characteristics of specific materials, and the effects of anisotropic work-hardening, the unique contribution of this study lies in its exploration of the interplay between sheet metal thickness and strain induced in cold forging procedures.", "mime": "application/pdf"}, {"id": "ap-9438", "words": "3518", "extension": ".pdf", "flesch": "61", "author": "Hussein, Mohammed Abdulshareef; Jassim, Hassan Kamil", "title": "A novel approach to nonlinear fractional volterra integral equations", "date": "2024", "keywords": "equations; fractional; method; volterra", "summary": "5/2024 A novel approach to nonlinear fractional Volterra integral equations Now: arcsin (\u03c8(t)) 5/2024 A novel approach to nonlinear fractional Volterra integral equations [27] A.-M. Wazwaz.", "mime": "application/pdf"}, {"id": "ap-9439", "words": "9884", "extension": ".pdf", "flesch": "57", "author": "Brixi, Abderrahim; Ghembaza , Moulay Sma\u00efne; Boudenne , Abderrahim", "title": "Hydrothermal and mechanical performance of mortars containing waste brick powder", "date": "2024", "keywords": "brick; brick powder; cement; concrete; days; environment; figure; materials; mortar; powder; properties; strength; temperature; waste; water; \u00b0 c", "summary": "Therefore, future research that integrates these aspects could provide a more holis- tic view of the behaviour of brick crumb mortars and their suitability in different environmental con- texts. Additionally, brick crumb mortars offer a combi- nation of properties that make them suitable for a range of applications in wet and dry, ambient and 323 A. Brixi, M. S. Ghembaza, A. Boudenne Acta Polytechnica elevated temperature environments, whilst providing additional ecological benefits including: (1.)", "mime": "application/pdf"}, {"id": "ap-944", "words": "3282", "extension": ".pdf", "flesch": "64", "author": "Jakubsk\u00fd, V.", "title": "Pseudo-Hermitian Operators in a Description of Physical Systems", "date": "2007", "keywords": "phys; pseudo; quantum; vol; \ufffd \ufffd", "summary": "In other words, there should hold \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd1 2 1 20 0 0 0( ), ( ) ( ) ( ), ( ) ( )\ufffd U t U t . Thus, we may write the resulting scalar product of two solutions \ufffdi of the Klein- -Gordon equation in the following form \ufffd \ufffd( , ) ( , ) , \ufffd , \ufffd , \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 1 2 1 2 1 2 1 2 1 1 2 1 \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd m i m \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd2 1 2 1 1\ufffd \ufffd \ufffd\ufffd , , ( , ).", "mime": "application/pdf"}, {"id": "ap-946", "words": "4903", "extension": ".pdf", "flesch": "69", "author": "G\u00fcnther, U.; Kirillov, O. N.; Samsonov, B. F.; Stefani, F.", "title": "The Spherically Symmetric a2\u2013dynamo and Some of its Spectral Peculiarities", "date": "2007", "keywords": "dynamo; l \ufffd; r \ufffd; u \ufffd; vol; \ufffd -profile; \ufffd \ufffd", "summary": "[u u [u u u u u m n n mn m n n n n \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd , ] , , ] , , : , 2 0\ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd (7) and correspond to eigenvalue branches \ufffd \ufffd \ufffd\ufffd \ufffd\ufffd n n n\ufffd \ufffd 0 which scale linearly with \ufffd0. From the domain \ufffd( )\u2020A\ufffd of the adjoint operator \ufffd\ufffd \ufffd( ) \ufffd \ufffd ( , ) ( , ) \ufffd(\u2020A u u\ufffd \ufffd \ufffd \ufffd \ufffdL L r2 201 01 \ufffd0 0) , \ufffd \ufffd\ufffd Bu r\ufffd \ufffd1 0\ufffd , \ufffd: \ufffd \ufffd u \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd u u 1 2 , (4) \ufffd : ( ) B \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffdr r l r r 0 1 , one reads off that \ufffd \ufffd( ) ( )\u2020A A\ufffd \ufffd\ufffd and, hence, the dynamo operator itself is not self-adjoint even in a Krein space.", "mime": "application/pdf"}, {"id": "ap-9466", "words": "6592", "extension": ".pdf", "flesch": "50", "author": "Roshan, Alireza; Abdelrahman, Magdy", "title": "Developing an effective approach to assess pavement condition for high friction surface treatment (HFST) installation", "date": "2025", "keywords": "accuracy; application; condition; data; decision; hfst; index; iri; learning; models; pavement; pci; research; tree; values", "summary": "Some agencies acknowledge facing the com- plexity of evaluating pavement conditions for HFST application. 6/2024 Developing an effective approach to assess pavement condition . .", "mime": "application/pdf"}, {"id": "ap-9475", "words": "3640", "extension": ".pdf", "flesch": "65", "author": "Fl\u00eddr, Erik", "title": "On the vortex identification within a linear blade cascade - an experimental research", "date": "2024", "keywords": "blade; cascade; flow; identification; vortex; vortices", "summary": "Keywords: Linear blade cascade, vortex identification, H criteria, experimental research, pressure measurements. The paper aims to identify vortex structures in the linear blade cascade as precisely as possible from a new perspective.", "mime": "application/pdf"}, {"id": "ap-948", "words": "3132", "extension": ".pdf", "flesch": "63", "author": "Hosten, P.; Asbach, M.", "title": "Detection of Facial Features in Scale-Space", "date": "2007", "keywords": "cluster; features; interest; points; scale; \ufffd \ufffd", "summary": "In the second subset all feature vectors describing the rest of the image are aggre- gated (class a \ufffd 0): \ufffd \ufffd \ufffd \ufffdF a F aface non face\ufffd \ufffd \ufffd \ufffd \ufffd \ufffdf f1 0, (8) Each subset is clustered with the k-means algorithm. (6) The columns of transform matrix \ufffd are the eigenvectors of \ufffd.", "mime": "application/pdf"}, {"id": "ap-949", "words": "1705", "extension": ".pdf", "flesch": "48", "author": "Bi\u010d\u00edk, A.", "title": "Moderna arhitektura u hrvatskoj 1930\u2013IH \u2013Modern Architecture in Croatia 1930\u2019s by Darja Radovi\u0107 Mahe\u010di\u0107", "date": "2008", "keywords": "architects; architecture; buildings; croatian; czech; zagreb", "summary": "Nevertheless, these \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ 43 Acta Polytechnica Vol. 48 No. 1/2008 Moderna arhitektura u hrvatskoj 1930\u2013IH Modern Architecture in Croatia 1930\u2019s by Darja Radovi\u0107 Mahe\u010di\u0107 A. Bi\u010d\u00edk Keywords: Croatian modern architecture, functionalism, functionalism in Croatia Book jacket REVIEW buildings are on the list, because they are important for the development of modern architecture in Croatia. In the course of the project a na- tional register of Croatian modern architecture from the pe- riod between 1926 and 1940 was set up.", "mime": "application/pdf"}, {"id": "ap-950", "words": "3988", "extension": ".pdf", "flesch": "56", "author": "Karajica, M.", "title": "Valuating the Investment Efficiency of Distribution Companies", "date": "2007", "keywords": "companies; criteria; efficiency; investment; methods; \ufffd \ufffd", "summary": "uj are weights assigned to j-th output, while i r\ufffd1, ,\ufffd , j s\ufffd1, ,\ufffd and k k n\ufffd1 0, , , ,\ufffd \ufffd . \ufffd Multi Criteria Decision Making methods, \ufffd Data Analysis Envelopment.", "mime": "application/pdf"}, {"id": "ap-951", "words": "17987", "extension": ".pdf", "flesch": "79", "author": "Olshanetsky, M.", "title": "Lectures on Classical Integrable Systems and Gauge Field Theories", "date": "2008", "keywords": "curve \ufffd; d \ufffd; form \ufffd; group \ufffd; j \ufffd; k \ufffd; s \ufffd; space \ufffd; u \ufffd; v \ufffd; y \ufffd; z z; z \ufffd; \ufffd 0; \ufffd diag; \ufffd e; \ufffd et; \ufffd f; \ufffd g; \ufffd gl; \ufffd h; \ufffd jk; \ufffd l; \ufffd lie; \ufffd n; \ufffd red; \ufffd t; \ufffd \ufffd", "summary": "The monodromies of \ufffd\ufffd(z) are read off from (4.32) \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd( ) ( ) )z zN \ufffd1 2e , \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd( ) ( ) ( )z zN \ufffd \ufffde 1 Then LET have the prescribed monodromies. The symplectic form on \ufffd is \ufffd \ufffd \ufffd \ufffd \ufffd\ufffdtr( ) , d dA d dAj,k j,k j k .", "mime": "application/pdf"}, {"id": "ap-952", "words": "2094", "extension": ".pdf", "flesch": "63", "author": "Lisn\u00edk, J.", "title": "Valuation of Companies", "date": "2007", "keywords": "companies; company; czech; czk; indicators", "summary": "Z A B C D E\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd12 14 33 06 0999. . . . . [1]: \ufffd OTE (Greek), \ufffd Czech Telecom (CT) (Czech), \ufffd Swisscom (Swiss), \ufffd Telekom Austria (TA) (Austrian), \ufffd Telenor (Norwegian), \ufffd TeliaSonera (TS) (Swedish-Finnish).", "mime": "application/pdf"}, {"id": "ap-954", "words": "2737", "extension": ".pdf", "flesch": "60", "author": "Petrucha, V.", "title": "An Improved Version of the Fluxgate Compass Module", "date": "2007", "keywords": "compass; field; fig; fluxgate; sensors; \ufffd \ufffd", "summary": "F F F F F F T TEMP-X TEMP-Y TEMP-Z MEAS-X MEAS-Y ME \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd AS-Z X Y Z OX OY O \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd T k k k f f f f f f 0 0 0 0 0 0 Z \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd T , (2) F F F a a a a a a a a a X Y Z \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd11 12 13 21 22 23 31 32 33\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd F F F TEMP-X TEMP-Y TEMP-Z , (3) F F F F\ufffd \ufffd \ufffdX Y Z 2 2 2 , (4) \ufffd \ufffdE n- F F i n RMS MEAS\ufffd \ufffd \ufffd1 1 2 1 . 2: Three types of PCB fluxgate sensors developed at CTU.", "mime": "application/pdf"}, {"id": "ap-955", "words": "4227", "extension": ".pdf", "flesch": "64", "author": "Stolin, A.", "title": "25 Years of Quantum Groups: from Definition to Classification", "date": "2008", "keywords": "lie; quantum; u u; \ufffd \ufffd", "summary": "(15) We see that, by a suitable choice of parameters a, b and z2, we can add to the XXZ Hamiltonian an arbitrary linear com- bination of the terms \ufffd \ufffd \ufffd \ufffdk z k k Set \ufffd \ufffd \ufffd\ufffd I I\ufffd \ufffd, where \ufffd \ufffdI \ufffd is an orthonormal basis of g with respect to the Killing form.", "mime": "application/pdf"}, {"id": "ap-956", "words": "4693", "extension": ".pdf", "flesch": "63", "author": "Stojanovic, A.; Unger, M.", "title": "Robust Detection of Point Correspondences in Stereo Images", "date": "2007", "keywords": "point \ufffd; \ufffd f; \ufffd l; \ufffd x; \ufffd \ufffd", "summary": "General Problem Statement The point \ufffdx belongs to the conic C if the following equa- tion is verified \ufffd \ufffd \ufffdx xT C 0 , (5) where C is given by: C \ufffd \ufffdll l T k2\ufffd . (3) The Mahalanobis distance k of a possible epipolar line m from the estimated epipolar line l is then given by ( ) ( )l m l ml\ufffd \ufffd \ufffd\ufffdT \ufffd k2.", "mime": "application/pdf"}, {"id": "ap-9566", "words": "5877", "extension": ".pdf", "flesch": "68", "author": "Cyrus, V\u00e1clav; Cyrus, Jan", "title": "The effect of the inlet chamber and diffuser on the reverse aerodynamic performance of an axial flow fan", "date": "2024", "keywords": "chamber; coefficient; fan; figure; flow; flow fan; inlet; inlet chamber; performance; pressure; ratio; reversal; reverse; stage", "summary": "Keywords: Axial flow fan, reversing, inlet chamber, performance, simulation. Axial flow fan (Stage A: Dt = 600 mm, Dh = 330 mm).", "mime": "application/pdf"}, {"id": "ap-9572", "words": "8192", "extension": ".pdf", "flesch": "73", "author": "Aggarwal, Sudhanshu", "title": "Non-homogeneity effect on the vibration of the rectangular visco-elastic plate subjected to the linear temperature effect with quadratic thickness variation in both directions", "date": "2024", "keywords": "mode; plate; vibration; \u03b22 =", "summary": "Vibration of non-homogeneous visco-elastic rectangular plate having linearly varying thickness in both directions with thermal gradient effect. Vibration analysis of visco-elastic rectangular plate with thickness varies linearly in one and parabolically in other direction.", "mime": "application/pdf"}, {"id": "ap-9575", "words": "6723", "extension": ".pdf", "flesch": "49", "author": "Orynbassar, Sayat; Kapparova, Ainur; Dosymbetova, Gulbakhar; Almen, Dinara; Yershov, Evan; Saymbetov, Ahmet; Nurgaliyev, Madiyar; Zholamanov, Batyrbek", "title": "Simulation of an active cooling system for low-concentratinag photovoltaic solar cells", "date": "2025", "keywords": "cell; cooling; energy; figure; photovoltaic; radiator; surface; system; temperature; tubes; water", "summary": "[41] K. A. A. Amer, M. A. Irhouma, M. I. Hamdan, et al. Economic-Environmental-Energetic (3E) analysis of photovoltaic solar energy systems: Case study of mechanical & renewable energy engineering departments at Wadi AlShatti University. With an active cooling system, we can get a more uni- form distribution of solar cell temperature than with passive cooling [28].", "mime": "application/pdf"}, {"id": "ap-958", "words": "1749", "extension": ".pdf", "flesch": "61", "author": "Blanik, N.; H\u00fclsbusch, M.; Herzog, M.; Blazek, C. R.", "title": "Assessment of Human Hemodynamics under Hyper- and Microgravity: Results of two Aachen University Parabolic Flight Experiments", "date": "2007", "keywords": "blood; fig; light; sensor; subjects", "summary": "7: Different kinetics of blood volume shifts of three sub- jects (measuring points on the forehead using a green (1) and an infrared light source (2), normalized at start of measurement) Fig. 8: Statistical analysis of skin blood volume changes measured with PPG sensors on subjects\u2019 foreheads Acknowledgments To research these dynamic behaviors, the subjects were exposed to a rapid change of gravity (between zero and 1.8 times the normal gravitational force on earth, i.e. 0 g and 1.8 g, respectively) on parabolic flights.", "mime": "application/pdf"}, {"id": "ap-9580", "words": "7777", "extension": ".pdf", "flesch": "50", "author": "Ko\u0161ovsk\u00fd, D\u00e1vid; Miglierini, Marcel; Kmje\u010d, Tom\u00e1\u0161; Dekan, J\u00falius; Bujdo\u0161, Marek", "title": "Precipitation of oxide dispersion strength steels after long-term annealing at temperature of 475 \u00b0C", "date": "2024", "keywords": "alloys; annealing; atoms; chromium; concentration; figure; journal; materials; ods; phase; precipitates; sample; steels; temperature; time", "summary": "Chemical analysis The qualitative analysis of ODS steel samples was performed by XRF. Metal- lic materials in powder form enriched with yttrium oxide particles (Y2O3) with a purity between 99 % and 99.5 % were used as precursors for the produc- tion of PM80KhV2 steel samples.", "mime": "application/pdf"}, {"id": "ap-9584", "words": "11127", "extension": ".pdf", "flesch": "63", "author": "Zemanov\u00e1, Alena; Anderle, Vojt\u011bch; Masopust, Jan", "title": "Settlement of piles with negative skin friction: design approaches according to part 3 of Eurocode 7", "date": "2025", "keywords": "curve; friction; load; nsf; pile; pile settlement; plane; resistance; settlement; skin; skin friction; soil; soil settlement", "summary": "Keywords: Negative skin friction, load-settlement curves, pile settlement, pile design, soil settlement, Eurocode 7. 1. This plane divides the ground profile into consolidating and stable zones and designs a suf- ficient pile length to meet the design requirements, causing structural capacity and pile settlement to be affected by negative skin friction.", "mime": "application/pdf"}, {"id": "ap-959", "words": "7411", "extension": ".pdf", "flesch": "73", "author": "Smirnov, F.", "title": "Correlation Functions for Lattice Integrable Models", "date": "2008", "keywords": "b \ufffd; p \ufffd; s \ufffd; w \ufffd; x \ufffd; \ufffd 0; \ufffd j; \ufffd k; \ufffd l; \ufffd q; \ufffd \ufffd", "summary": "L L mm m( ) ( ) , ,\ufffd \ufffd\ufffd \ufffd\ufffd \ufffd 0 0 L L0 0( ) ( ) ,\ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd where \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd( ( ))1 2 8 is the anomalous dimension. k k k k k \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd\ufffd \ufffd \ufffd( )\ufffd \ufffd \ufffd \ufffd1 1 .", "mime": "application/pdf"}, {"id": "ap-9596", "words": "4732", "extension": ".pdf", "flesch": "55", "author": "Novotn\u00fd, Jan; Nov\u00e1kov\u00e1, Ludmila; Machovsk\u00e1, Ilona; Ka\u0161p\u00e1rek, Milo\u0161", "title": "Loss of particle ratio metric for particle image velocimetry accuracy estimation", "date": "2025", "keywords": "correlation; error; image; measurement; metric; particle; total; value", "summary": "4/2025 Loss of particle ratio metric for particle image velocimetry accuracy . . . 4/2025 Loss of particle ratio metric for particle image velocimetry accuracy . . .", "mime": "application/pdf"}, {"id": "ap-960", "words": "3377", "extension": ".pdf", "flesch": "66", "author": "Eros, L.; Bozoki, F.", "title": "Refactorisation methods for TTCN-3", "date": "2007", "keywords": "model; node; source; ttcn-3; value", "summary": "We have concentrated on refactoring TTCN-3 source codes. No. 4\u20135/2007 Fig. 8: Original and refactorised TTCN-3 source codes", "mime": "application/pdf"}, {"id": "ap-9604", "words": "5819", "extension": ".pdf", "flesch": "60", "author": "Fl\u00eddr, Erik", "title": "Experimental investigation of an entropy production in a linear blade cascade", "date": "2024", "keywords": "blade; boundary; cascade; entropy production; flow; inlet; inlet flow; number; outlet; pressure; reynolds; wall", "summary": "Although the theoretical description is powerful, the full picture of the vortices in blade cascades is beyond the capability of theoretical predictions. The presented paper focuses on an experimental investigation of entropy production in a linear blade cascade composed of prismatic blades for two pitch-to-chord ratios, t/c = 0.6, and 0.9.", "mime": "application/pdf"}, {"id": "ap-961", "words": "20455", "extension": ".pdf", "flesch": "67", "author": "Sitarz, A.", "title": "31Lectures on Noncommutative Geometry", "date": "2008", "keywords": "algebra \ufffd; b \ufffd; differential; function \ufffd; j \ufffd; k \ufffd; m \ufffd; mn \ufffd; module \ufffd; noncommutative; operator \ufffd; representation \ufffd; sin \ufffd; space \ufffd; x \ufffd; \ufffd d; \ufffd e; \ufffd f; \ufffd n; \ufffd p; \ufffd u; \ufffd v; \ufffd \ufffd", "summary": "Then, if \ufffd % is the completion of \ufffd to a free module we have: \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd& \ufffd & & & & & % %( ) ( ) \ufffd, so: \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd& \ufffd & & & & % %( ) ( ) \ufffd and hence: \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ 43 Acta Polytechnica Vol. 48 No. 2/2008 \ufffd \ufffd \ufffd \ufffd& \ufffd .", "mime": "application/pdf"}, {"id": "ap-962", "words": "4044", "extension": ".pdf", "flesch": "48", "author": "Havl\u00ed\u010dek, L.", "title": "Extending the Life Time of a Nuclear Power Plant: Impact on Nuclear Liabilities in the Czech Republic", "date": "2007", "keywords": "liability; life; npp; operator; storage; time", "summary": "Unlike the disposal and decommissioning liability there is no obvious relation between NPP life time (waste volume produced) and liability. 4: Cumulative storage costs (cash-flow view) for the evaluated model NPP life time options 0 200 400 2 0 0 6 2 0 1 0 2 0 1 4 2 0 1 8 2 0 2 2 2 0 2 6 2 0 3 0 2 0 3 4 2 0 3 8 2 0 4 2 2 0 4 6 2 0 5 0 2 0 5 4 2 0 5 8 2 0 6 2 2 0 6 6 2 0 7 0 2 0 7 4 2 0 7 8 2 0 8 2 m il. C Z K basic option alternative 1 alternative 2 Fig.", "mime": "application/pdf"}, {"id": "ap-9633", "words": "3613", "extension": ".pdf", "flesch": "55", "author": "Pastr\u0148\u00e1k, Martin; \u010cada, Radek; Pektor, Tom\u00e1\u0161; Rusz, Stanislav; Tat\u00ed\u010dek, Franti\u0161ek; Mizera, Jaros\u0142aw; Pastr\u0148\u00e1kov\u00e1, Marie", "title": "Drece method for continuous severe plastic deformation of CuZn37 sheets", "date": "2024", "keywords": "deformation; drece; materials; microstructure; pass; passes; process; properties", "summary": "Tensile stress-strain curves of the CuZn37 alloy depending on the number of DRECE passes. Tensile properties depending on the number of DRECE passes. exhibits very good plastic properties.", "mime": "application/pdf"}, {"id": "ap-964", "words": "4132", "extension": ".pdf", "flesch": "59", "author": "Lucki, M.", "title": "Negative Chromatic Dispersion Generated by Introducing Curvature into Photonic Crystal Fiber", "date": "2007", "keywords": "bending; curvature; dispersion; radius; wavelength; \ufffd \ufffd", "summary": "The electric fields of the fundamental modes of the structure (composed of the association of LP01 guided in the core and mode guided in the cladding), called supermodes, are then given by: \ufffd \ufffd \ufffd I I j zI\ufffd \ufffdexp , (3) \ufffd \ufffd \ufffd II II j zII\ufffd \ufffdexp , (4) where \ufffdi is the radial distribution, and \ufffdi is the propagation constant of the considered mode. To simplify the definition, we decompose the supermodes into elementary modes (or inversely) in a cross-section as: \ufffd \ufffd \ufffdI I Ib b\ufffd \ufffd1 1 2 2, (5) \ufffd \ufffd \ufffdII II IIb b\ufffd \ufffd1 1 2 2. (6)", "mime": "application/pdf"}, {"id": "ap-9647", "words": "4600", "extension": ".pdf", "flesch": "65", "author": "Hrytsai, Ihor; Slipchuk, Andrii", "title": "Study of non-stationary cutting processes in power skiving", "date": "2024", "keywords": "cutting; force; gear; pass; passes; power; skiving; tool; tooth", "summary": "Using power skiving to increase the efficiency and precision of internal gear cutting. Chip geometry and cutting forces in gear power skiving.", "mime": "application/pdf"}, {"id": "ap-965", "words": "16224", "extension": ".pdf", "flesch": "64", "author": "Toppan, F.", "title": "Extended Supersymmetries in One Dimension", "date": "2008", "keywords": "d \ufffd; fields \ufffd; k \ufffd; l \ufffd; matrices \ufffd; n \ufffd; r \ufffd; s \ufffd; t \ufffd; \ufffd fusion; \ufffd g; \ufffd j; \ufffd p; \ufffd q; \ufffd qi; \ufffd \ufffd", "summary": "The class of irreducible representations is unique apart from special signatures, where two non-equivalent irreducible rep- resentations are linked by sign flipping (\ufffd \ufffd\ufffd \ufffd\ufffd \ufffd ). \ufffd \ufffd \ufffd \ufffd\ufffd (6.52)", "mime": "application/pdf"}, {"id": "ap-966", "words": "6070", "extension": ".pdf", "flesch": "59", "author": "Szabados, R.; Sipos, K.", "title": "Developing E-learning Courses for Mobile Devices", "date": "2007", "keywords": "adaptation; course; file; learning; package; program; scorm; system; video", "summary": "Due to the large number of different video codecs, there are numerous ways for video adaptation. \ufffd Video: Probably the most important problem is adequate adaptation of video files to the given platform.", "mime": "application/pdf"}, {"id": "ap-9660", "words": "5436", "extension": ".pdf", "flesch": "58", "author": "Hristovska, Elizabeta", "title": "Concept for evaluating the safety of a dynamically loaded gearbox reducer", "date": "2025", "keywords": "excavator; gear; gear pair; load; load capacity; reducer; safety; shaft; working", "summary": "Conclusion In this article, a concept for the safety evaluation of a dynamically loaded reducer (gear reducer) is presented. Keywords: Gearbox reducer, dynamically loading, reducer safety, reducer evaluation.", "mime": "application/pdf"}, {"id": "ap-9663", "words": "10187", "extension": ".pdf", "flesch": "49", "author": "Hole\u010dek , V\u00edt", "title": "Landmark emancipation of technical intelligence in pre-World War II Czechoslovakia", "date": "2024", "keywords": "academy; commission; czech; czech academy; czech technical; czechoslovakia; department; development; economic; engineering; engineers; institute; komise; labour; masaryk; masaryk academy; national; new; prague; praha; pro; research; sciences; society; technical; university", "summary": "Interest in incorporating technical sciences (includ- ing economics and some social disciplines) into the \u010cesk\u00e1 akademie v\u011bd a um\u011bn\u00ed (Czech Academy of Sci- ences and Arts) had been expressed even before the First World War. Keywords: History of Science and Technology, Masaryk Academy of Labour, IV. department of mechanical and electrical engineering, Czechoslovakia, 1918\u20131953, education, Albert Adalbert (Vojt\u011bch) Velfl\u00edk, cooperation with the USA, Stanislav \u0160pa\u010dek, Czechoslovak Academy of Sciences.", "mime": "application/pdf"}, {"id": "ap-9664", "words": "9481", "extension": ".pdf", "flesch": "59", "author": "Hrtus, Martin Dominik", "title": "Prague postal time service: clock and sirens \u2013 improbable connection", "date": "2024", "keywords": "air; box; clock; construction; czech; czechoslovakia; file; franti\u0161ek; postal; ppts; prague; public; rieger; service; sirens; state; system; technical; time; time service", "summary": "Keywords: History of technology, Prague Postal Time Service, Czechoslovakia, 1930s, synchronised clocks, anti-aircraft sirens, civil defence, Franti\u0161ek Rieger, Prague. Licensed under a CC-BY 4.0 licence Published by the Czech Technical University in Prague PRAGUE POSTAL TIME SERVICE:", "mime": "application/pdf"}, {"id": "ap-9665", "words": "6080", "extension": ".pdf", "flesch": "49", "author": "Hamr, David", "title": "Transfer of master clock network technology to Czechoslovakia: Elektro\u010das or Elektrozeit? German roots of Czechoslovak post-war timepieces 1923\u20131990", "date": "2024", "keywords": "century; clock; company; czech; elektro\u010das; german; master; networks; production; systems; technology; time; war", "summary": "The American company IBM, an important global producer of master clock systems in the first half of 20th century, established its branch in \u017ditn\u00e1 Street in Prague and supplied clock networks to many adminis- trative buildings in particular, and was also successful in transport industry (railways). Keywords: History of technology, Czechoslovakia, technological transfer, timepieces industry, 20th cen- tury, centrally controlled economy, uniform time, master clock, master clock network technology, modernity.", "mime": "application/pdf"}, {"id": "ap-9667", "words": "7023", "extension": ".pdf", "flesch": "63", "author": "Knespl, David", "title": "Progress versus tradition \u2013 traditional craftsmanship and attempts at industrial tower clock production in the Czech lands in the 19th century", "date": "2024", "keywords": "attempts; bo\u017eek; century; clockmaker; clocks; czech; german; guild; industrial; josef; lands; prague; praha; production; school; technical; tower; tower clocks", "summary": "There were also several attempts at factory mass production of tower clocks, which, however, were not developed until the 1880s by the company of Ludv\u00edk Hainz. Keywords: History of science and technology, clockmaking, tower clocks, industrial production, serial production, Josef Bo\u017eek, Romuald Bo\u017eek, Ludv\u00edk Hainz, V\u00e1clav Kre\u010dmer, 19th century.", "mime": "application/pdf"}, {"id": "ap-9668", "words": "12381", "extension": ".pdf", "flesch": "64", "author": "Sedl\u00e1\u010dek, Ji\u0159\u00ed; Efmertov\u00e1, Marcela", "title": "Emanuel \u0160lechta, engineer and entrepreneur in the First Republic of Czechoslovakia", "date": "2024", "keywords": "american; czech; czech technical; czechoslovak; emanuel; emanuel \u0161lechta; engineering; industrial; international; management; national; organisation; prague; praha; production; stanislav; technical; time; university; usa; war; work; \u0161lechta; \u0161pa\u010dek", "summary": "Keywords: History of science and technology, Czechoslovakia, Emanuel \u0160lechta, Stanislav \u0160pa\u010dek, minister of technology after 1948, Czech Technical University in Prague, World War II, 1922\u20131938. Already at the beginning of his professional career, Emanuel \u0160lechta had a chance to become a leader of his generation and to become a leader of the technical elite of the time, thanks to his excellent technical en- gineering education at the Czech Technical University in Prague and his many years of practical experience in the USA.", "mime": "application/pdf"}, {"id": "ap-9670", "words": "12012", "extension": ".pdf", "flesch": "63", "author": "Kyselka, Daniel; Efmertov\u00e1, Marcela", "title": "Czechoslovak and Polish intelligence (cryptologic) services at the time of the institutionalisation of both states and their armies after 1918", "date": "2024", "keywords": "army; courses; cryptologic; czechoslovak; department; education; enigma; french; general; german; intelligence; isbn; military; mission; officers; poland; polish; praha; r\u016f\u017eek; schools; services; staff; state; war; world", "summary": "It also worked on improv- ing the rights of Czechoslovak intelligence officers. He divided military schools into higher, secondary, and lower and distinguished between types of military courses.", "mime": "application/pdf"}, {"id": "ap-9671", "words": "10074", "extension": ".pdf", "flesch": "44", "author": "Rodr\u00edguez Ortiz, Jorge Alonso", "title": "A geopolitics of the diaspora of British engineers in South America in the first half of the 20th century: the cases of the Institution of Locomotive Engineers centre in Argentina", "date": "2024", "keywords": "american; british; centre; century; circulation; development; diaspora; engineering; engineers; history; institution; journal; knowledge; locomotive; members; railway; south; south america; technology; transfer", "summary": "During the sessions the call was made: \u201cI appeal to all present to join and to do everything possible to make ourselves into a real live body, which will result in cementing the good feeling and unity of purpose which already exist among railway engineers of all grades and nationalities in these great South Ameri- can Republics.\u201d Licensed under a CC-BY 4.0 licence Published by the Czech Technical University in Prague A GEOPOLITICS OF THE DIASPORA OF BRITISH ENGINEERS IN SOUTH AMERICA IN THE FIRST HALF OF THE 20th CENTURY: THE CASES OF THE INSTITUTION OF LOCOMOTIVE ENGINEERS CENTRE IN ARGENTINA Jorge Alonso Rodr\u00edguez Ortiz Czech Technical University in Prague, Faculty of Electrical Engineering, Historical Laboratory of (Electro)Technology, Technick\u00e1 2, 166 27 Prague, Czech Republic correspondence: rodrijor@fel.cvut.cz Abstract.", "mime": "application/pdf"}, {"id": "ap-9672", "words": "9787", "extension": ".pdf", "flesch": "44", "author": "Mansouri, Amani; Rodr\u00edguez Ortiz, Jorge Alonso", "title": "Tunisian engineers: protagonists of Tunisia\u2019s modernisation. Two key moments: 1956 and 1987", "date": "2024", "keywords": "development; education; engineering; engineers; french; independence; knowledge; modernisation; national; power; process; science; state; system; technology; tunisia", "summary": "[7], in which she defines the condi- tions for the emergence of Tunisian engineers as a very recent phenomenon and establishes their fundamen- tal participation in modernisation. However, it is necessary to know and analyse the evolution of the social and formative origin of Tunisian engineers, articulated to the various dynam- ics of political power and the contingent evolution of life.", "mime": "application/pdf"}, {"id": "ap-9679", "words": "8642", "extension": ".pdf", "flesch": "56", "author": "Efmertov\u00e1, Marcela", "title": "Czechoslovakia/Czech Republic as a leader in polymer technologies in Central Europe: from contact lenses to 3D printing", "date": "2024", "keywords": "academy; chemical; chemistry; company; contact; czech; czechoslovakia; development; institute; lenses; macromolecular; materials; otto; otto wichterle; polymers; prague; pr\u016f\u0161a; republic; research; sciences; university; wichterle; work", "summary": "Josef Pr\u016f\u0161a and filaments for 3D printing The second distinguished personality active in the sphere of Czech polymers, not in the sense of their scientific research but rather their practical applica- tions, is the young Czech entrepreneur Josef Pr\u016f\u0161a 10Elaborated according to a touring exhibition Otto Wichterle at the OPTA Trade Fair, 24.\u201326. The Research by Otto Wichterle during World War II At that time, while working on the subjects connected with his habilitation, namely during prepanation of crotonaldehydacental, he prepared rubber as a byprod- uct \u2013 the very first synthetic polymer Wichterle pro- duced.", "mime": "application/pdf"}, {"id": "ap-968", "words": "2364", "extension": ".pdf", "flesch": "62", "author": "\u0160vec, P.; Jand\u00e1k, V.", "title": "The Influence of PZT Actuators Positioning in Active Structural Acoustic Control", "date": "2007", "keywords": "actuator; control; plate; \ufffd \ufffd", "summary": "[1] for the clamped sides (at x \ufffd 0 and x a\ufffd ) \ufffd \ufffd \ufffd \ufffd 2 2 3 30 0 u x u x \ufffd \ufffd, (4) and for the free sides (at y \ufffd 0 and y \ufffd b) The total power \ufffd radiated by a planar source, e.g., a vi- brating panel, is proportional to the normal velocity of its sur- face, and can be expressed as \ufffd( ) ( , ) \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd\ufffd \ufffd \ufffd\ufffd0 0 2 2 2 2 28 c k V k k k k k k k z x y x y x yd d \ufffd \ufffd \ufffd \ufffd , (1) where k is the wave number vector magnitude, kx, ky are its components in the x and y directions, \ufffd0 and c0 are air density and phase speed of sound respectively, Vz is the 2D k-space Fourier transform of the normal velocity of the vibrating surface, and \ufffd ( ) means the real part of its argument.", "mime": "application/pdf"}, {"id": "ap-9680", "words": "10068", "extension": ".pdf", "flesch": "65", "author": "Dudzik, Michael", "title": "The decimalisation of Republican time. The French Revolution which failed (1793\u20131795)", "date": "2024", "keywords": "calendar; day; days; decimal; decimalisation; des; french; hours; months; new; people; republican; revolution; system; time; use; year", "summary": "In order to establish a new social order, the revolutionaries proposed, among other things, the use of decimal time which was part of the so-called Republican calendar. While decimal time was an important addition to the Republican calendar, few authors have emphasised it, let alone produced works of merit on the issue.", "mime": "application/pdf"}, {"id": "ap-9685", "words": "4295", "extension": ".pdf", "flesch": "59", "author": "Simi\u0144ski , Przemys\u0142aw; Neumann, Vlastimil; Svoboda, Pavel; Cibulov\u00e1, Kl\u00e1ra; Vnuk, Radovan", "title": "The effect of a malfunctioning braking system on the behaviour of a special vehicle during an emergency braking in a curvilinear movement", "date": "2024", "keywords": "braking; characteristics; figure; model; road; surface; system; time; vehicle; wheels", "summary": "ABS pressure modulator model together with the control unit (one for each of the four-wheel groups), (5.) brake mechanism model (for each wheel), (6.) vehicle model, (7.) Load restraining on road vehicles \u2013 Safety \u2013 Part 1: Calculation of securing forces, 2010.", "mime": "application/pdf"}, {"id": "ap-9695", "words": "5308", "extension": ".pdf", "flesch": "57", "author": "\u0160vol\u00edk, Milan; Mak\u00fd\u0161, Peter; \u0160\u0165astn\u00fd, Patrik; \u010eubek, Marek", "title": "Optimising load transfer using temporary supports in monolithic construction", "date": "2024", "keywords": "ceiling; construction; floors; formwork; load; slab; structure; supports; transfer", "summary": "The disadvantages of this method of slab support include the increased use of supports and the occupation of a large area of the slab that could be used for the benefit of the construction. 2.5.3. Therefore, an important rule of thumb for ceiling slab support calculations is that the formwork on the recently cast slab is com- pletely removed and the new slab can immediately deflect under its own weight, and only then can the designer be sure that the actual weight of the floor is now transferred directly to the permanent support system of columns/walls, etc. and not to the form- work supports.", "mime": "application/pdf"}, {"id": "ap-970", "words": "1848", "extension": ".pdf", "flesch": "60", "author": "Tauchmanov\u00e1, J.", "title": "Computer Controlled Switching Device for Deep Brain Stimulation", "date": "2007", "keywords": "brain; fig; response; \ufffd \ufffd", "summary": "\ufffd\ufffd \ufffd \ufffd\ufffd \ufffd1 005194 0080111 2. \ufffd\ufffd \ufffd\ufffd \ufffd06487 014691 2, F q q q( ) .", "mime": "application/pdf"}, {"id": "ap-9709", "words": "6347", "extension": ".pdf", "flesch": "50", "author": "Tunca, Bilgehan; Karaca, Bahad\u0131r", "title": "Impact of process parameters on the mechanical and surface properties of AA6082", "date": "2025", "keywords": "alloy; aluminium; grain; parameters; process; properties; samples; surface; temperature; treatment", "summary": "Extrusion process parameters. Heat treatment process The 6XXX aluminium alloy series, defined as the Al- Mg-Si system, contains magnesium (Mg) and silicon (Si) as major elements.", "mime": "application/pdf"}, {"id": "ap-971", "words": "1796", "extension": ".pdf", "flesch": "64", "author": "Po\u0161ta, P.", "title": "Communication between a Matrix Converter Modulator and a Superset Regulator", "date": "2008", "keywords": "converter; input; regulator; switching", "summary": "Keywords: matrix converter, FPGA, VHDL, power electronics. 1: Matrix converter 3\u00d73 4 \u00a9 Czech Technical University Publishing House http://ctn.cvut.cz/ap/ Acta Polytechnica Vol. 48 No. 3/2008 Fo ur th St ep T hi rd St ep Se co nd St ep Fi rs t S te p", "mime": "application/pdf"}, {"id": "ap-972", "words": "2873", "extension": ".pdf", "flesch": "53", "author": "Dietrich, P.", "title": "Modeling Measurement Uncertainty in Room Acoustics", "date": "2007", "keywords": "acoustics; fig; measurement; parameters; room; uncertainty; \ufffd \ufffd", "summary": "Keywords: Room acoustics, measurement uncertainty, GUM, ISO 3382, uncertainty modeling. The main influence factors and their relevance regarding measurement uncertainty have been analyzed and determined.", "mime": "application/pdf"}, {"id": "ap-9721", "words": "4117", "extension": ".pdf", "flesch": "62", "author": "Gilodo, Oleksandr; Arsirii, Andrii; Somina, Yuliia", "title": "Analysis of reticulated dome with universal connector", "date": "2025", "keywords": "compression; diameter; dome; elements; figure; load; state; strain; structures; wood", "summary": "Keywords: Glued wood, reticulated dome, centric compression, eccentric compression, connector. Domes have significant architectural expressive- ness and uniqueness.", "mime": "application/pdf"}, {"id": "ap-9724", "words": "5793", "extension": ".pdf", "flesch": "56", "author": "Hasan, Alaq F.; Raheem, Hadeer A.; Hussein, Rajaa", "title": "Performance improvement of manipulator actuated by pneumatic artificial muscles based on synergetic control and social spider optimisation algorithm", "date": "2025", "keywords": "algorithm; control; controller; equation; pam; parameters; performance; pneumatic; sact; system", "summary": "Conclusion In this work, a synergetic algorithm control theory and a sliding mode control method are developed for tracking PAM system control. Synergetic control design based sparrow search optimization for tracking control of driven-pendulum system.", "mime": "application/pdf"}, {"id": "ap-9725", "words": "6976", "extension": ".pdf", "flesch": "53", "author": "Merit, Khaled; Beladgham, Mohammed; Taleb-Ahmed, Abdelmalik", "title": "Temporal fusion strategy for violence detection: utilising convolutional and LSTM neural networks for surveillance videos", "date": "2025", "keywords": "accuracy; dataset; detection; figure; frames; fusion; learning; models; networks; performance; scenes; task; video; violence", "summary": "The slow fusion and early fusion approaches require the selection of video frames to accurately represent the subject. This process can be found in [8], which uses convolutional networks and LSTM to classify violent videos.", "mime": "application/pdf"}, {"id": "ap-973", "words": "1850", "extension": ".pdf", "flesch": "60", "author": "Aboelhassan, M.", "title": "A Proportional Integral Derivative (PID) Feedback Control without a Subsidiary Speed Loop", "date": "2008", "keywords": "controller; loop; pid; speed", "summary": "4: Block diagrams: proportional control term 3.3 Parallel PID Controllers The family of PID controllers is constructed from various combinations of the proportional, integral and derivative terms as required to meet specific performance requirements. A comparison (shown in (Fig. 6:)) of P, PD, PID control- lers with-without the subsidiary speed loop shows that P and PID controllers have zero error (y w\ufffd \ufffd \ufffd) in a steady state, but the PD-controller has non-zero error.", "mime": "application/pdf"}, {"id": "ap-9738", "words": "4881", "extension": ".pdf", "flesch": "56", "author": "Sadeghi, Kabir; Royaei, Javad; Nouban, Fatemeh", "title": "Evaluation and modelling of the buckling behaviour of SRC composite columns under simultaneous off-axis and lateral loading", "date": "2025", "keywords": "buckling; buckling load; columns; compressive; eccentricity; load; load eccentricity; load ratio; mode", "summary": "[12] investigated the effect of load eccentricity on the FRS-enclosed stress relationship of concrete columns. Effect of load eccentricity on the stress-strain relationship of FRP-confined concrete columns.", "mime": "application/pdf"}, {"id": "ap-974", "words": "2674", "extension": ".pdf", "flesch": "59", "author": "Aleksandrowicz, A.; Leonhardt, S.", "title": "Wireless and Non-contact ECG Measurement System \u2013 the \u201cAachen SmartChair\u201d", "date": "2007", "keywords": "body; ecg; electrodes; fig; measurement; signal; system", "summary": "Traditionally, for ECG measurement conductive elec- trodes have been applied which are directly attached to the skin. [4] introduced a so-called \u201cdriven-ground- -plane\u201d circuit for non-contacting ECG measurements which was also implemented in the application presented here.", "mime": "application/pdf"}, {"id": "ap-9746", "words": "6691", "extension": ".pdf", "flesch": "58", "author": "Hun\u011bk, Adam; Barto\u0161, Ond\u0159ej", "title": "Photogrammetric image processing and comparison of experimental result with laser diffraction and the PDA method", "date": "2025", "keywords": "background; evaluation; figure; image; measurement; methods; object; pda; sample; segmentation; size", "summary": "The principle of image analysis methods for aerosol size measurement 2.1 OTSU segmentation 3 Optical methods 3.1 The Phase-Doppler anemometer 3.2 Laser diffraction 3.3 The photogrammetric method (shadowgraph) 4 Calibrating the photogrammetric method 5 The result of comparing the optical methods using monodisperse particle samples 6 The example of polydisperse distribution measurement 7 Conclusion List of symbols Acknowledgements References Optical methods have been established as a standard tool for aerosol size measurement.", "mime": "application/pdf"}, {"id": "ap-9747", "words": "10848", "extension": ".pdf", "flesch": "39", "author": "Michel-Schneider, Ulrike; Palazzo, Andrea", "title": "Knowledge and technology transfer in construction engineering: two case studies involving special concrete", "date": "2025", "keywords": "carbocon; cases; concrete; construction; ctu; engineering; industry; innovation; knowledge; ktt; model; process; research; researchers; start; study; technology; transfer; tud; university", "summary": "Technology transfer process Technology transfer process of MOB-Bars. cense because they wanted to have control over their invention.", "mime": "application/pdf"}, {"id": "ap-976", "words": "2260", "extension": ".pdf", "flesch": "65", "author": "Nov\u00e1k, A.", "title": "Identification of Nonlinear Systems: Volterra Series Simplification", "date": "2007", "keywords": "\ufffd d; \ufffd h; \ufffd \ufffd", "summary": "3, which shows the sub-kernel \ufffdh2( )\ufffd and kernel h2 1 2( , )\ufffd \ufffd . The relation between the output and the input can be ex- pressed in the form given by the total sum y t x t n ( ) [ ( )]\ufffd \ufffdHn (1) in which Hn[ ( )] ( , , ) ( ) ( )x t h x t x tn n n n\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd\ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd1 1 1d d\ufffd ( 2) represents n-dimensional convolution of the input signal x(t) and n-dimensional Volterra kernel hn(\ufffd1,..., \ufffdn).", "mime": "application/pdf"}, {"id": "ap-977", "words": "2236", "extension": ".pdf", "flesch": "54", "author": "\u010capek, R.", "title": "Visualization and Simulation in Scheduling", "date": "2008", "keywords": "function; matlab; scheduling; simulation; time; visualization", "summary": "Two areas of usage are considered: sim- ulation for monitoring the influence of scheduling on the system function (e.g. for digital filters), and time visualization (e.g. graphic represPentation of execution on a production line in time). On the other hand, Matlab includes the Virtual Reality toolbox, which is also a sufficient tool for visualization of scheduling results.", "mime": "application/pdf"}, {"id": "ap-978", "words": "2789", "extension": ".pdf", "flesch": "57", "author": "Tomek, J.", "title": "Inductive Contactless Distance Measurement Intended for a Gastric Electrical Implant", "date": "2007", "keywords": "distance; fig; induction; system; \ufffd \ufffd", "summary": "Magnetic measurements are unfortunately directionally dependent, so only the use of multi-axial probes and trans- mitters can ensure precise position evaluation. 2 Methods The basic of distance measurement solutions using the mutual induction principle is to have just two single axial probes, one transmitter and one receiver.", "mime": "application/pdf"}, {"id": "ap-9792", "words": "14193", "extension": ".pdf", "flesch": "51", "author": "Bhagat, Abhishek Shankar; Kalkhambkar, Vaiju; Prasanta Gupta, Pranda; Prakash, Vivek", "title": "Energy management for electric vehicles with battery and supercapacitor", "date": "2025", "keywords": "battery; braking; braking energy; control; current; cycle; demand; drive; driving; electric; energy; energy management; energy storage; figure; hess; hybrid; mode; power; soc; storage system; strategy; supercapacitor; system; vehicle; voltage", "summary": "Keywords: Hybrid energy storage system, energy management system, supercapacitor, regenerative braking, electric vehicle. For heat dissipation, energy management systems requires auxiliary electrical power, which is drawn from HESS, and therefore impacts the vehicle range.", "mime": "application/pdf"}, {"id": "ap-980", "words": "4587", "extension": ".pdf", "flesch": "56", "author": "Schotsch, B.; Vary, P.; Clevorn, T.", "title": "Analysis of Mismatched First Order A Priori Information in Iterative Source-Channel Decoding", "date": "2007", "keywords": "assignments; correlation; index; information; soak1; source; \ufffd t; \ufffd \ufffd", "summary": "The autocorrelation takes on values from a finite set, e.g., \ufffd \ufffd\ufffd \ufffd 00 01 09. , . The resulting codeword is denoted as y with bits y, which are mapped to bipolar bits \ufffd \ufffd\ufffd\ufffdy \ufffd \ufffd 1 for BPSK transmission with symbol energy Es \ufffd1.", "mime": "application/pdf"}, {"id": "ap-9800", "words": "5078", "extension": ".pdf", "flesch": "56", "author": "Tanuku, Poorna Kantha; Mamidi, Lakshmi Prasanna; Gundagani, Murali", "title": "Modelling and analysis of three-dimensional chemically reacting, radiating Casson-nanofluid flow: thermophoresis and Brownian motion effects", "date": "2024", "keywords": "effects; figure; flow; fluid; heat; mhd; radiation", "summary": "[25] found the impact of chemical reaction effects on unsteady MHD fluid flow past an infinite vertical plate embedded in a porous medium with a variable suction. [24] carried out an analysis of Soret and Dufour effects on unsteady MHD flow past a semi-infinite vertical porous plate using finite differ- ence method.", "mime": "application/pdf"}, {"id": "ap-981", "words": "3622", "extension": ".pdf", "flesch": "55", "author": "Gross, S.; Stehle, T.", "title": "RealTimeFrame \u2013 A Real Time Processing Framework for Medical Video Sequences", "date": "2008", "keywords": "data; framework; image; medical; processing; realtimeframe; software; source; video", "summary": "Chapter two lists the requirements for a real time software framework for medical image data processing. 3 Work flow RealTimeFrame was designed to provide a flexible platform for medical image processing.", "mime": "application/pdf"}, {"id": "ap-9810", "words": "7506", "extension": ".pdf", "flesch": "60", "author": "Msallam, Mohammed Majid; Samet, Refik", "title": "Multi-mode secure data communication for real-time robot arm control with Li-Fi technology", "date": "2025", "keywords": "arc4; arm; communication; data; encryption; figure; mode; movement; rc4; receiver; system; technology; transmission; transmitter", "summary": "[19] used AES for data encryption in their Li-Fi system, using the Elliptic Curve Diffie-Hellman (ECDH) key exchange protocol for secure key generation. In used encryption modes, the received data is decrypted before instructing the robotic arm to perform the designated action.", "mime": "application/pdf"}, {"id": "ap-9818", "words": "8787", "extension": ".pdf", "flesch": "65", "author": "Schulze-Halberg, Axel", "title": "Persistence of solvability in quantum systems deformed by Dunkl operators", "date": "2025", "keywords": "dunkl; equation; m(x", "summary": "\u2212 V1 \u2212 4. (63) E\u03bd,n = \u22124 n2 \u2212 8 n \u2212 2 n f2 \u2212 V1 \u2212 4 \u2212 2 f2 = \u22124 n2 \u2212 8 n \u2212 (2 n + 2) \u221a 1 + 4 V1 + 4 \u03bd (\u03bd \u2212 \u03b4)", "mime": "application/pdf"}, {"id": "ap-982", "words": "3607", "extension": ".pdf", "flesch": "52", "author": "Schneider, T. E.", "title": "Automated Classification of Analysis- and Reference Cells for Cancer Diagnostics in Microscopic Images of Epithelial Cells from the Oral Mucosa", "date": "2007", "keywords": "cells; classification; dna; feature; knn; results; set", "summary": "classifiers analysis cells reference cells overall rate kNN 92.4 98.5 95.5 F-kNN 93.9 97.5 95.7 SVM 2 92.9 98.5 95.7 SVM203 93.9 97.0 95.5 Table 3 It can be seen that chromatin features provide a good separability perfor- mance, whereas only the geometrical features within the basic set morphology do not distinguish the two classes sufficiently.", "mime": "application/pdf"}, {"id": "ap-9826", "words": "8584", "extension": ".pdf", "flesch": "51", "author": "da Cruz, Daniel Magalh\u00e3es; Stumpf, Felipe Tempel; Vassoler, Jakson Manfredini; Guilherme, Carlos Eduardo Marcos", "title": "Assessment of the effects of UV-A exposure on the mechanical strength of offshore mooring multifilaments", "date": "2025", "keywords": "aramid; degradation; exposure; extension; fibres; figure; force; hmpe; lcp; materials; model; mooring; polyamide; polyester; strength; ultraviolet; uv exposure", "summary": "https://doi.org/10.4043/17510-MS [7] T. M. Schmidt, C. Bianchini, M. M. C. Forte, et al. Socketing of polyester fibre ropes with epoxy resins for deep-water mooring applications. There are indications that degradation by ultraviolet exposure for Aramid, HMPE, polyamide, and polyester fibres, restricts the constitutive behaviour in terms of strength and extension, but without changing the shape of the curve.", "mime": "application/pdf"}, {"id": "ap-984", "words": "3529", "extension": ".pdf", "flesch": "60", "author": "Luecken, H.; Tech, G.; Schwann, R.; Kappen, G.", "title": "Stick Based Speckle Reduction for Real-Time Processing of OCT Images on an FPGA", "date": "2007", "keywords": "algorithm; fig; image; implementation; oct; processing; speckle; \ufffd \ufffd", "summary": "For a stick length of N NL \ufffd \ufffd( )1 2 , using the minimum number of required cy- cles N NS \ufffd \ufffd4 4 for the serial implementation yields: N f l w f \ufffd \ufffdclk img4 1. [4], both filters have been implemented in C\ufffd\ufffd and Matlab and adjusted to OCT-image data.", "mime": "application/pdf"}, {"id": "ap-985", "words": "3360", "extension": ".pdf", "flesch": "55", "author": "Adamec, M.; Indr\u00e1kov\u00e1, M.; Karajica, M.", "title": "The European Electricity Market and Cross-Border Transmission", "date": "2008", "keywords": "border; capacity; countries; electricity; energy; market; power; transmission", "summary": "Due to the impossibility of storing electric power, its price is highly volatile on spot markets (Fig. 2.1 Ways of trading in electricity There are two main markets, in which electric power is traded.", "mime": "application/pdf"}, {"id": "ap-9858", "words": "4189", "extension": ".pdf", "flesch": "58", "author": "Runczikov\u00e1, Judita; Chleboun, Jan; Gavioli, Chiara; Krej\u010d\u00ed, Pavel", "title": "Some remarks on a mathematical model for water flow in porous media with competition between transport and diffusion", "date": "2025", "keywords": "diffusion; flow; model; saturation; value; water", "summary": "In [7], a comparative analysis is made between vertical water flow models derived from numerical solutions of the Richards equation and reservoir cascade schemes used in hydrological modelling. For application to regional water flow models within catchment areas, more complex model formula- tions are required.", "mime": "application/pdf"}, {"id": "ap-986", "words": "3306", "extension": ".pdf", "flesch": "54", "author": "Mgaya, E. V.; M\u00fcller, Z.", "title": "The Impact of Connecting Distributed Generation to the Distribution System", "date": "2007", "keywords": "distribution; generators; power; system; voltage; wind", "summary": "The disturbances are categorized according to the frequency (power systems, acoustic, radio). This paper will draw attention to the impacts of connecting wind power plants to the existing system.", "mime": "application/pdf"}, {"id": "ap-988", "words": "2543", "extension": ".pdf", "flesch": "50", "author": "Vancl, J.", "title": "Improved Evaluation of Planar Calibration Standards Using the TDR Preselection Method", "date": "2007", "keywords": "calibration; error; fig; measurement; parameters; standards", "summary": "[1] and statistical processing of mea- sured data of an over-determined set of calibration standards [2]-[5]. Another improved calibration procedure optimizes parameterized models of calibration standards to minimize nonreciprocity in a known asymmetrical reciprocal two-port device [6].", "mime": "application/pdf"}, {"id": "ap-9884", "words": "7376", "extension": ".pdf", "flesch": "60", "author": "Benrebouh, Imed; Douadi, Abdellah; Hafhouf, Ilyas; Merdas, Abdelghani; Meguellati, Abderrahim; Del Serrone, Giulia; Moretti, Laura", "title": "Experimental and statistical analysis of soil stabilization to avoid landfilling", "date": "2025", "keywords": "analysis; chemical; clay; clayey; content; curing; days; figure; increase; lime; lime content; plasticity; soil; stabilisation; table; test; ucs", "summary": "[In France; Effect of lime stabilization on geotechnical properties of clay soil]. https://doi.org/10.1051/e3sconf/202019503044 [64] S. Pourakbar, A. Maneshmoaveni, D. Moazami, et al. Stabilization of clay soil using alkali-activated sewage sludge.", "mime": "application/pdf"}, {"id": "ap-989", "words": "2279", "extension": ".pdf", "flesch": "59", "author": "\u010cundev, D.", "title": "Analysis of the Fuel Efficiency of a Hybrid Electric Drive with an Electric Power Splitter", "date": "2008", "keywords": "drive; driving; efficiency; fig; hybrid; power", "summary": "When simulating a of power drive system, is essential to calculate precisely the efficiency of each component where there is energy transformation. Keywords: Hybrid drive, fuel efficiency, European driving schedule, electric power splitter, electric traction motor, super-capacitor.", "mime": "application/pdf"}, {"id": "ap-9893", "words": "6224", "extension": ".pdf", "flesch": "56", "author": "M\u011brkov\u00e1, Al\u017eb\u011bta; Kheml, P\u0159emysl; Perrot, Alexandre; H\u00e1la, Petr", "title": "Experimental investigation of polyurethane-coated HPFRC panels under direct contact blast", "date": "2025", "keywords": "blast; coating; figure; hpfrc; hpfrc panels; panels; polyurea; strength; test", "summary": "tal studies to examine the behaviour and response of HPFRC panels under various loading conditions. HPFRC panels with protective coatings, using polyurethane (PU) to enhance the resistance against ballistic loading, were investigated in [3, 4].", "mime": "application/pdf"}, {"id": "ap-990", "words": "4219", "extension": ".pdf", "flesch": "61", "author": "Rajnoha, J.", "title": "Speaker Non-speech Event Recognition with Standard Speech Datasets", "date": "2007", "keywords": "database; events; non; phase; recogniser; recognition; speaker; speech; training", "summary": "In the non-speech event modelling task this calls for a sufficient number of non-speech events present in the database, which is the way to get a general description of the modelled event. To increase the number of non-speech events present in the training set of speech data, one other dataset was used.", "mime": "application/pdf"}, {"id": "ap-991", "words": "3874", "extension": ".pdf", "flesch": "54", "author": "Havl\u00ed\u010dek, L.", "title": "Nuclear Fuel Cycle Evaluation and Real Options", "date": "2008", "keywords": "cycle; end; fuel; fuel cycle; option; uranium; \ufffd \ufffd", "summary": "Keywords: Nuclear fuel cycle, front-end, back-end, economic evaluation, evaluation methods, NPV, uncertainty, flexibility, real options. cient only for a few years of operation. The first part is usually called the \u201cFront-End\u201d, and in- cludes all activities connected with procurement of nuclear material and services, production of nuclear fuel and its trans- portation to the NPP site.", "mime": "application/pdf"}, {"id": "ap-9916", "words": "3316", "extension": ".pdf", "flesch": "70", "author": "\u0160imon, Vojt\u011bch; Hudec, Ren\u00e9; Read, Andrew", "title": "The satellite SMILE \u2013 its prospects for observing cosmic sources", "date": "2025", "keywords": "band; bat; flux; kev; light; maxi; ray; sxi", "summary": "Meaningful compar- isons of the light curves of 1-day means of X-ray fluxes of a cosmic object from various satellites will thus be possible. Figure 2 compares the details of the light curves of Vela X-1 in various X-ray bands (2\u20133 keV, 8\u20139 keV, and 15\u201350 keV).", "mime": "application/pdf"}, {"id": "ap-9918", "words": "4365", "extension": ".pdf", "flesch": "54", "author": "Abdu-aljabar, Rana Dhia\u2019a; Aljafaar, Khansaa Dheya; Ameen, Zinah Jaffar Mohammed; Naman, Hala A.", "title": "A Comparative Study of Breast Cancer Detection and Recurrence Prediction Using CatBoost Classifier", "date": "2025", "keywords": "auc; bayes; breast; cancer; catboost; dataset; learning; machine; model; recurrence; xgboost", "summary": "In 2019, breast cancer accounted for over one-third of all cancer cases in women in Iraq. Keywords: CatBoost classifier, breast cancer, machine learning, bioinformatic.", "mime": "application/pdf"}, {"id": "ap-992", "words": "4368", "extension": ".pdf", "flesch": "61", "author": "Matz, V.; Kreidl, M.; \u0160m\u00edd, R.", "title": "Signal Separation in Ultrasonic Non-Destructive Testing", "date": "2007", "keywords": "echo; level; noise; signal; thresholding; wavelet; \ufffd \ufffd", "summary": "H x x i x c H mat k k k k l ( ) exp( ) exp ( \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd 2 42 2 ) ( ),\ufffd \ufffd \ufffd H k Ktot \ufffd 1 (8) where \ufffd is the material attenuation coefficient, cl is the veloc- ity of the longitudinal waves, xk is the grain positions of k K tot\ufffd1\ufffd is the number of grains and \ufffdk is a random vector depending on the grain volume. [9] based on group delay statistics are the group delay moving standard deviation \ufffd \ufffd\ufffdk k m k M k M T m T\ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd1 1 2 1 2 \ufffd \ufffd( ) (4) and the group delay moving entropy H f T f Tk j j j", "mime": "application/pdf"}, {"id": "ap-994", "words": "4968", "extension": ".pdf", "flesch": "59", "author": "Xanthos, S.; Gong, M.; Andreopoulos, Y.", "title": "Design and Validation of a Probe for Spatially and Temporally Resolved Measurements of Vorticity and Strain Rates in Compressible Turbulence Interactions", "date": "2007", "keywords": "measurements; pressure; probe; shock; u u; velocity; vorticity; \ufffd u; \ufffd \ufffd", "summary": "k p \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd 0 2 , where Ui is the instantaneous velocity component, i \ufffd1 2, or 3 and U U U U Uk k \ufffd \ufffd \ufffd1 2 2 2 3 2. The density variation across the sensing area has also been estimated from the \ufffd p p obtained above and the measured variation of total temperature T0 through the un- certainty propagation formula: \ufffd \ufffd \ufffd\ufffd \ufffd0 2 0 2 1 2 \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd\ufffd p p T TT .", "mime": "application/pdf"}, {"id": "ap-9947", "words": "6467", "extension": ".pdf", "flesch": "58", "author": "Racz, Istvan I.; Nehme, Yasmin; Balazs, Lajos G.", "title": "Gamma-ray bursts and optical brightness: insights from Swift satellite", "date": "2025", "keywords": "analysis; astronomy; bagoly; bursts; data; distribution; function; gamma; grbs; ray; ray bursts; survival; swift; time", "summary": "Survival function of GRBs We used the optical V magnitudes of Swift GRB obser- vations, representing a sufficiently large homogeneous dataset sample, for a survival analysis in R program- ming language with \u201csurvival\u201d packages [60, 62]. This semi-parametric nature of the model makes it a robust tool for handling various types of survival data.", "mime": "application/pdf"}, {"id": "ap-995", "words": "2081", "extension": ".pdf", "flesch": "51", "author": "Kn\u011b\u017eek, M.", "title": "Power Producer Production Valuation", "date": "2008", "keywords": "electricity; position; td td; td \ufffd; \ufffd \ufffd", "summary": "(7) The total difference from plan fulfillment will be given as the sum of the actual historical variance and the expected fu- ture variance in a one-year time window: \ufffd \ufffd \ufffd\ufffd \ufffd\ufffd \ufffdAct Futtd td td td . 3 Closed historical position A closed historical position is a position for the period from the beginning of the current year to the present date, and is calculated as the sum of the concluded contract vol- umes per hour and day of the relevant period, while the following applies: qS qG qPtd td td td td td \ufffd \ufffd \ufffd\ufffd \ufffd , (1) where qStd is the volume of sold electricity for hour t of day", "mime": "application/pdf"}, {"id": "ap-9951", "words": "3685", "extension": ".pdf", "flesch": "53", "author": "D\u00f6hring, Thorsten; Stanik, Eva; Zeising, Sebastian; Meissner, Martin", "title": "Astronomy events at Aschaffenburg University to attract future students", "date": "2025", "keywords": "aschaffenburg; astronomy; figure; lecture; pupils; rocket; school; students; university", "summary": "Often, pupils do not know if they should dare to pursue a degree \u2013 and then decide against it without having experienced Aschaffenburg University from the inside. At Aschaffenburg University, in the \u201cExperience Modules\u201d of the project \u201cSchool Contacts\u201d, we show and discuss subject areas that are neglected in canon- ised school education \u2013 focused on \u201cschool subject knowledge\u201d \u2013 and where the application relevance for pupils cannot be established well enough.", "mime": "application/pdf"}, {"id": "ap-996", "words": "4979", "extension": ".pdf", "flesch": "61", "author": "Br\u016fha, O.; Br\u016fha, T.; Fo\u0159t, I.; Jahoda, M.", "title": "Dynamics of the Flow Pattern in a Baffled Mixing Vessel with an Axial Impeller", "date": "2007", "keywords": "circulation; energy; fig; flow; impeller; loop; pcl; time; vol; \ufffd \ufffd", "summary": "The energy dissipation per unit mass \ufffd related to the experimental system used in this study is \ufffd \ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd0 0 0 0 0 0 0 P m P m P V P V , ( ) (11) and after substitution V \ufffd 0.0192 m3, P0 \ufffd 10.3 W, V0 \ufffd 0.0109 m3 we obtain \ufffd \ufffd 1.384 m2 s\ufffd3. kg s\ufffd1 (\ufffd \ufffd 1 kg l\ufffd1).", "mime": "application/pdf"}, {"id": "ap-9963", "words": "6508", "extension": ".pdf", "flesch": "60", "author": "Racz, Istvan I.; Balazs, Lajos G.; Horvath, Istvan; Pinter, Sandor", "title": "Correlation between X-ray and gamma data of Swift measurements", "date": "2025", "keywords": "bursts; column; correlation; data; density; flux; gamma; grb; grbs; index; ray; ray bursts; variables", "summary": "After the data of the variables were cleaned, the remaining variables were separated into two sets and we have determined the number of dimensions (canon- ical variables) that are significant in explaining the association between the 2 sets of variables (\u03b3 and X-ray data). Conclusion We used canonical correlation analysis to investigate the relationship between gamma (fluence, 1 sec peak flux, and duration) and X-ray data (11 hours flux, 24 hours flux, decay index, spectral index, and HI col- umn density).", "mime": "application/pdf"}, {"id": "ap-9966", "words": "731", "extension": ".pdf", "flesch": "32", "author": "Efmertov\u00e1, Marcela", "title": "Preface to the Special Issue of Acta Polytechnica \u201cHistory of science and technology\u201d", "date": "2024", "keywords": "article; technical; time", "summary": "An example is the use of time in political decisions during the French Revolution, where a specific calendar based on the decimalization of republican time was created. Time also needed to be considered later in the organization and institutionalization of Czechoslovak military authorities between the wars (article by D. Kyselka).", "mime": "application/pdf"}, {"id": "ap-9968", "words": "4527", "extension": ".pdf", "flesch": "65", "author": "Koncz, Bendeg\u00faz; Jo\u00f3, Andr\u00e1s P\u00e9ter", "title": "Mass growth of massive quiescent galaxies in the Illustris TNG simulation", "date": "2025", "keywords": "formation; galaxies; galaxy; mass; mergers; notices; star", "summary": "Previous studies examined, how galaxy mergers can quench the star formation in galaxies. The number of galaxy mergers was relatively low as well before z > 2.", "mime": "application/pdf"}, {"id": "ap-9969", "words": "9637", "extension": ".pdf", "flesch": "52", "author": "Karpov, Sergey", "title": "STDweb: simple transient detection pipeline for the web", "date": "2025", "keywords": "analysis; aperture; calibration; catalogue; code; data; detection; figure; image; objects; order; photometry; processing; set; sky; society; stdweb; transient; user", "summary": "Therefore, the transient detection on such images requires either acquiring the reference image by observing the same location after the transient faded down, which is impractical in most cases, or falling back to publicly available archival im- ages from some of the large scale sky surveys that 58 vol. Keywords: Photometric pipelines, transients, image processing.", "mime": "application/pdf"}, {"id": "ap-9971", "words": "4410", "extension": ".pdf", "flesch": "63", "author": "Jel\u00ednek, Martin; Novotn\u00fd, Filip; Klose, Sylvio; Stecklum, Bringfried; Male\u0148\u00e1kov\u00e1, Al\u017eb\u011bta; \u0160trobl, Jan", "title": "Early steep optical decay linked to reverse shock for GRB200131A", "date": "2025", "keywords": "200131a; afterglow; data; grb; mag; redshift; reverse; shock", "summary": "We observed an optical afterglow of GRB 200131A obtaining the first photometric point 63 s after the satellite trigger. On January 31, 2020 at 22:41:16 UT a long gamma- ray burst (GRB) was detected by instrument BAT onboard Swift satellite in the southwest of Cassiopeia constellation, about 15\u00b0 northeast of M31, and was designated GRB 200131A", "mime": "application/pdf"}, {"id": "ap-9972", "words": "5105", "extension": ".pdf", "flesch": "58", "author": "Bagoly, Zsolt; Balazs, Lajos G.; Horvath, Zsuzsa; Horvath, Istvan", "title": "The spatial distribution of GRBs", "date": "2025", "keywords": "afterglow; bursts; data; distribution; gamma; grbs; host; observations; ray; redshift; sky", "summary": "Revisiting the statistical isotropy of GRB sky distribution. Conclusion The yearly variances of redshift observations can be separated into two groups according to the afterglow measurements or the observation of the host galaxy\u2019s spectral lines.", "mime": "application/pdf"}, {"id": "ap-9973", "words": "3461", "extension": ".pdf", "flesch": "63", "author": "Pichler, Enik\u0151; Koncz, Bendeg\u00faz; Gab\u00e1nyi, Krisztina \u00c9.; Jo\u00f3, Andr\u00e1s P\u00e9ter; T\u00f3th, L. Viktor", "title": "Interstellar gas motions around massive star formation regions in the nearby dwarf galaxy DDO43", "date": "2025", "keywords": "ddo; figure; formation; galaxy; line; spectra; star; velocity", "summary": "HI line areas in the velocity intervals 314\u2013334 km s\u22121 and 374\u2013394 km s\u22121 against FUV flux. The processing of HI spectra 2.2 Far-ultraviolet data 3 Results 3.1 The distribution of residual spectral line areas 3.2 Comparison to far-ultraviolet data 4 Discussion 5 Conclusion Acknowledgements References", "mime": "application/pdf"}, {"id": "ap-9974", "words": "3643", "extension": ".pdf", "flesch": "60", "author": "Hudec, Ren\u00e9; Mar\u0161\u00edkov\u00e1, Veronika; Inneman, Adolf; Oberta, Peter; P\u00edna, Ladislav", "title": "Czech contribution to AHEAD2020: novel/alternative X-ray optics", "date": "2025", "keywords": "eye; figure; lobster; modules; optics; prague; ray", "summary": "Keywords: X-ray optics, X-ray telescopes, Kirkpatrick-Baez, ray-tracing, X-ray optical tests. We briefly present selected results in the field of X-ray optics obtained within the project at the CTU in Prague in collaboration with other Czech Institutes, mainly Rigaku Prague, where X-ray optics modules were assembled.", "mime": "application/pdf"}, {"id": "ap-9975", "words": "2143", "extension": ".pdf", "flesch": "60", "author": "Tich\u00fd, Vladim\u00edr; N\u011bmcov\u00e1, \u0160\u00e1rka; Hudec, Ren\u00e9; M\u00edka, Martin", "title": "Nanosatellite X-ray lobster eye optics \u2013 measurement of optical performance", "date": "2025", "keywords": "eye; figure; lobster; optics; ray", "summary": "Lobster eye X-ray optics. Keywords: Lobster eye, multi-foil optics, reflective optics, grazing incidence optics, X-ray optics.", "mime": "application/pdf"}, {"id": "ap-9976", "words": "4257", "extension": ".pdf", "flesch": "55", "author": "Bagoly, Zsolt", "title": "The two-point correlation function of the GRBs", "date": "2025", "keywords": "bursts; correlation; data; distribution; exposure; function; gamma; grbs; point; ray; sky", "summary": "Revisiting the statistical isotropy of GRB sky distribution. Short GRBs are likely produced by the merger of compact objects, such as neutron stars or black holes, as proven by kilonova observations", "mime": "application/pdf"}, {"id": "ap-9978", "words": "10051", "extension": ".pdf", "flesch": "80", "author": "Varga, N\u00f3ra; Jo\u00f3, Andr\u00e1s P\u00e9ter; Koncz, Bendeg\u00faz", "title": "A study of X-ray point sources in Heiles Clouds 1 and 2", "date": "2025", "keywords": "10\u221215 j; = j2000&c.rs=0.004; cloud; field; gsc242; i/353; icrs&c.rs=0.004; ii/368; ray; sources; sstsl2; v/154; ysos; \u00d7 10\u221215", "summary": "+25.94067833689,eq=ICRS&- c.rs=0.004 0.44 6.36 \u00d7 10\u221216 9.58 \u00d7 10\u221217 IV/38/tic -c=070.41179395162 +25.94078969880,eq=J2000&- c.rs=0.004 0.44 1.05 \u00d7 10\u221215 4.39 \u00d7 10\u221216 I/305/out GSC2.3===N9RV004914&-c=070.411814 +25.940912,eq=J2000&-c.rs=0.00 0.47 8.33 \u00d7 10\u221216 3.14 \u00d7 10\u221216 I/305/out GSC2.3===N9RV004914&-c=070.411814 +25.940912,eq=J2000&-c.rs=0.00 0.48 1.12 \u00d7 10\u221215 3.14 \u00d7 10\u221217 II/349/ps1 -c=070.411801850 +25.940684730,eq=J2000&- c.rs=0.004 0.48 1.37 \u00d7 10\u221215 3.14 \u00d7 10\u221217 J/AJ/156/241/table4 recno=2882736 0.48 6.47 \u00d7 10\u221216 6.22 \u00d7 10\u221218 IV/34/epic ID=248018164&-c=070.411763 +25.940765,eq=J2000&-c.rs=0.004 0.48 1.11 \u00d7 10\u221215 3.11 \u00d7 10\u221217 I/353/gsc242 -c=070.41180397042 \u00d7 10\u221214 2.40 \u00d7 10\u221216 VIII/112/spsc250 recno=263696 249.99 1.95 \u00d7 10\u221214 3.60 \u00d7 10\u221216 VIII/112/spsc250 recno=263696 363.00 5.78 \u00d7 10\u221215 8.26 \u00d7 10\u221216 J/ApJ/849/63/ysos recno=109 886.96 2.00 \u00d7 10\u221216 2.84 \u00d7 10\u221217 J/ApJ/771/129/table2 recno=171 1300.00 5.88 \u00d7 10\u221217 5.07 \u00d7 10\u221218 J/ApJ/872/158/table4 recno=176 1332.41 5.74 \u00d7 10\u221217 4.95 \u00d7 10\u221218 J/ApJ/771/129/table2 recno=171 129 N. Varga, A. P. Joo, B. Koncz Acta Polytechnica Table 4.", "mime": "application/pdf"}, {"id": "ap-998", "words": "2692", "extension": ".pdf", "flesch": "67", "author": "Ficker, T.", "title": "Dimension of Fracture Surfaces", "date": "2007", "keywords": "dimension; fractal; fracture; \ufffd \ufffd", "summary": "The generalized Balshin function then reads \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd\ufffd \ufffd \ufffd \ufffd \ufffd 0 0 0 01 1 0 1 1 * ( ) , , P P s P b s b P k k cr cr 0 0 0 0\ufffd \ufffd \ufffd\ufffd \ufffd \ufffd* * , Pk cr , (5) where P is total porosity and \ufffd is compressive strength of the sample with a virtually incompressible fluid filling at least a part of its pore space. If the fracture surface were a perfect Euclidean plane (S \ufffd 2), expression (7) would lead to the well-known equation D Di i * \ufffd 1.", "mime": "application/pdf"}, {"id": "ap-9983", "words": "5220", "extension": ".pdf", "flesch": "58", "author": "Granja, Carlos; Chanal, Herve; Zach, V\u00e1clav; Chv\u00e1til, David; Oancea, Cristina; Poklop, Du\u0161an; Ol\u0161ansk\u00fd, V\u00e1clav; Jak\u016fbek, Jan", "title": "High-resolution mapping of secondary cosmic rays with miniaturised stacked pixel telescope", "date": "2025", "keywords": "cosmic; data; detector; energy; figure; particle; pixel; rays; telescope; timepix3; tracker; tracks", "summary": "Keywords: Cosmic rays, particle tracking, radiation imaging, particle telescope, pixel detectors. The detec- tion and visualisation of cosmic ray tracks are shown in Figure 4.", "mime": "application/pdf"}, {"id": "ap-9987", "words": "7648", "extension": ".pdf", "flesch": "53", "author": "Poggiani, Rosa", "title": "Review: the landscape of gravitational wave astronomy", "date": "2025", "keywords": "abbott; binary; et al; gravitational; gw170817; journal; letters; mass; merger; neutron; review; star; wave", "summary": "[22] A. J. Levan, J. D. Lyman, N. R. Tanvir, et al. [Erratum: Astronomy & Astrophysics 652:C4, 2021]. https://doi.org/10.1051/0004-6361/201833910 [53] A. G. Riess, W. Yuan, L. M. Macri, et al.", "mime": "application/pdf"}, {"id": "ap-9988", "words": "5820", "extension": ".pdf", "flesch": "45", "author": "Karkun, Mohammad Suhel", "title": "3U CubeSat mechanical design and subsystems", "date": "2025", "keywords": "communication; components; control; cubesat; deployment; design; figure; launch; mission; power; rails; space; subsystems", "summary": "Thermal management For 3U CubeSat, thermal management is crucial to keeping payloads and onboard electronics at the ideal operating temperature. 3U CubeSat rails.", "mime": "application/pdf"}, {"id": "ap-999", "words": "1252", "extension": ".pdf", "flesch": "49", "author": "Frydry\u0161kov\u00e1, J.", "title": "UNRRA and Support for Science", "date": "2008", "keywords": "countries; program; unrra; war", "summary": "Partici- pation in reconstruction was not a part of UNRRA activities, and there was no long-term cooperation in economic pro- grams and agreements. Scholarship hold- ers, who had been proposed by the government itself, were appointed as UNRRA experts when they returned home.", "mime": "application/pdf"}]